An issue was discovered in ksmbd in the Linux kernel before 6.6.10. smb2_get_data_area_len in fs/smb/server/smb2misc.c can cause an smb_strndup_from_utf16 out-of-bounds access because the relationship between Name data and CreateContexts data is mishandled.

The remote Ubuntu 22.04 LTS / 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6724-2 advisory.

    Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly     handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a     guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2023-46838)

    It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize     certain data structures before passing them to user space. A local attacker could use this to expose     sensitive information (kernel memory). (CVE-2023-50431)

    It was discovered that the device mapper driver in the Linux kernel did not properly validate target size     during certain memory allocations. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-52429, CVE-2024-23851)

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly     validate certain SMB messages, leading to an out-of-bounds read vulnerability. An attacker could use this     to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-6610)

    Yang Chaoming discovered that the KSMBD implementation in the Linux kernel did not properly validate     request buffer sizes, leading to an out-of-bounds read vulnerability. An attacker could use this to cause     a denial of service (system crash) or possibly expose sensitive information. (CVE-2024-22705)

    Chenyuan Yang discovered that the btrfs file system in the Linux kernel did not properly handle read     operations on newly created subvolumes in certain conditions. A local attacker could use this to cause a     denial of service (system crash). (CVE-2024-23850)

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - Android drivers;

    - Userspace I/O drivers;

    - F2FS file system;

    - SMB network file system;

    - Networking core; (CVE-2023-52434, CVE-2023-52436, CVE-2023-52435, CVE-2023-52439, CVE-2023-52438)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6725-2 advisory.

    Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate     certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability.
    A remote attacker could use this to cause a denial of service (system crash) or possibly expose sensitive     information. (CVE-2023-1194)

    Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel,     leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2023-32254)

    It was discovered that a race condition existed in the KSMBD implementation in the Linux kernel when     handling session connections, leading to a use- after-free vulnerability. A remote attacker could use this     to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32258)

    It was discovered that the KSMBD implementation in the Linux kernel did not properly validate buffer sizes     in certain operations, leading to an integer underflow and out-of-bounds read vulnerability. A remote     attacker could use this to cause a denial of service (system crash) or possibly expose sensitive     information. (CVE-2023-38427)

    Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate SMB     request protocol IDs, leading to a out-of- bounds read vulnerability. A remote attacker could possibly use     this to cause a denial of service (system crash). (CVE-2023-38430)

    Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate     packet header sizes in certain situations, leading to an out-of-bounds read vulnerability. A remote     attacker could use this to cause a denial of service (system crash) or possibly expose sensitive     information. (CVE-2023-38431)

    It was discovered that the KSMBD implementation in the Linux kernel did not properly handle session setup     requests, leading to an out-of-bounds read vulnerability. A remote attacker could use this to expose     sensitive information. (CVE-2023-3867)

    Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly     handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a     guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2023-46838)

    It was discovered that the IPv6 implementation of the Linux kernel did not properly manage route cache     memory usage. A remote attacker could use this to cause a denial of service (memory exhaustion).
    (CVE-2023-52340)

    It was discovered that the device mapper driver in the Linux kernel did not properly validate target size     during certain memory allocations. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-52429, CVE-2024-23851)

    Yang Chaoming discovered that the KSMBD implementation in the Linux kernel did not properly validate     request buffer sizes, leading to an out-of-bounds read vulnerability. An attacker could use this to cause     a denial of service (system crash) or possibly expose sensitive information. (CVE-2024-22705)

    Chenyuan Yang discovered that the btrfs file system in the Linux kernel did not properly handle read     operations on newly created subvolumes in certain conditions. A local attacker could use this to cause a     denial of service (system crash). (CVE-2024-23850)

    It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to     a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a     denial of service (system crash). (CVE-2024-24860)

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - Architecture specifics;

    - Block layer;

    - Cryptographic API;

    - Android drivers;

    - EDAC drivers;

    - GPU drivers;

    - Media drivers;

    - Multifunction device drivers;

    - MTD block device drivers;

    - Network drivers;

    - NVME drivers;

    - TTY drivers;

    - Userspace I/O drivers;

    - EFI Variable file system;

    - F2FS file system;

    - GFS2 file system;

    - SMB network file system;

    - BPF subsystem;

    - IPv6 Networking;

    - Network Traffic Control;

    - AppArmor security module; (CVE-2023-52463, CVE-2023-52445, CVE-2023-52462, CVE-2023-52609,     CVE-2023-52448, CVE-2023-52457, CVE-2023-52464, CVE-2023-52456, CVE-2023-52454, CVE-2023-52438,     CVE-2023-52480, CVE-2023-52443, CVE-2023-52442, CVE-2024-26631, CVE-2023-52439, CVE-2023-52612,     CVE-2024-26598, CVE-2024-26586, CVE-2024-26589, CVE-2023-52444, CVE-2023-52436, CVE-2024-26633,     CVE-2024-26597, CVE-2023-52458, CVE-2024-26591, CVE-2023-52449, CVE-2023-52467, CVE-2023-52441,     CVE-2023-52610, CVE-2023-52451, CVE-2023-52469, CVE-2023-52470)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS / 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6724-1 advisory.

    Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly     handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a     guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2023-46838)

    It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize     certain data structures before passing them to user space. A local attacker could use this to expose     sensitive information (kernel memory). (CVE-2023-50431)

    It was discovered that the device mapper driver in the Linux kernel did not properly validate target size     during certain memory allocations. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-52429, CVE-2024-23851)

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly     validate certain SMB messages, leading to an out-of-bounds read vulnerability. An attacker could use this     to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-6610)

    Yang Chaoming discovered that the KSMBD implementation in the Linux kernel did not properly validate     request buffer sizes, leading to an out-of-bounds read vulnerability. An attacker could use this to cause     a denial of service (system crash) or possibly expose sensitive information. (CVE-2024-22705)

    Chenyuan Yang discovered that the btrfs file system in the Linux kernel did not properly handle read     operations on newly created subvolumes in certain conditions. A local attacker could use this to cause a     denial of service (system crash). (CVE-2024-23850)

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - Android drivers;

    - Userspace I/O drivers;

    - F2FS file system;

    - SMB network file system;

    - Networking core; (CVE-2023-52434, CVE-2023-52436, CVE-2023-52435, CVE-2023-52439, CVE-2023-52438)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6725-1 advisory.

    Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate     certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability.
    A remote attacker could use this to cause a denial of service (system crash) or possibly expose sensitive     information. (CVE-2023-1194)

    Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel,     leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2023-32254)

    It was discovered that a race condition existed in the KSMBD implementation in the Linux kernel when     handling session connections, leading to a use- after-free vulnerability. A remote attacker could use this     to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32258)

    It was discovered that the KSMBD implementation in the Linux kernel did not properly validate buffer sizes     in certain operations, leading to an integer underflow and out-of-bounds read vulnerability. A remote     attacker could use this to cause a denial of service (system crash) or possibly expose sensitive     information. (CVE-2023-38427)

    Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate SMB     request protocol IDs, leading to a out-of- bounds read vulnerability. A remote attacker could possibly use     this to cause a denial of service (system crash). (CVE-2023-38430)

    Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate     packet header sizes in certain situations, leading to an out-of-bounds read vulnerability. A remote     attacker could use this to cause a denial of service (system crash) or possibly expose sensitive     information. (CVE-2023-38431)

    It was discovered that the KSMBD implementation in the Linux kernel did not properly handle session setup     requests, leading to an out-of-bounds read vulnerability. A remote attacker could use this to expose     sensitive information. (CVE-2023-3867)

    Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly     handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a     guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2023-46838)

    It was discovered that the IPv6 implementation of the Linux kernel did not properly manage route cache     memory usage. A remote attacker could use this to cause a denial of service (memory exhaustion).
    (CVE-2023-52340)

    It was discovered that the device mapper driver in the Linux kernel did not properly validate target size     during certain memory allocations. A local attacker could use this to cause a denial of service (system     crash). (CVE-2023-52429, CVE-2024-23851)

    Yang Chaoming discovered that the KSMBD implementation in the Linux kernel did not properly validate     request buffer sizes, leading to an out-of-bounds read vulnerability. An attacker could use this to cause     a denial of service (system crash) or possibly expose sensitive information. (CVE-2024-22705)

    Chenyuan Yang discovered that the btrfs file system in the Linux kernel did not properly handle read     operations on newly created subvolumes in certain conditions. A local attacker could use this to cause a     denial of service (system crash). (CVE-2024-23850)

    It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to     a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a     denial of service (system crash). (CVE-2024-24860)

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - Architecture specifics;

    - Block layer;

    - Cryptographic API;

    - Android drivers;

    - EDAC drivers;

    - GPU drivers;

    - Media drivers;

    - Multifunction device drivers;

    - MTD block device drivers;

    - Network drivers;

    - NVME drivers;

    - TTY drivers;

    - Userspace I/O drivers;

    - EFI Variable file system;

    - F2FS file system;

    - GFS2 file system;

    - SMB network file system;

    - BPF subsystem;

    - IPv6 Networking;

    - Network Traffic Control;

    - AppArmor security module; (CVE-2023-52463, CVE-2023-52445, CVE-2023-52462, CVE-2023-52609,     CVE-2023-52448, CVE-2023-52457, CVE-2023-52464, CVE-2023-52456, CVE-2023-52454, CVE-2023-52438,     CVE-2023-52480, CVE-2023-52443, CVE-2023-52442, CVE-2024-26631, CVE-2023-52439, CVE-2023-52612,     CVE-2024-26598, CVE-2024-26586, CVE-2024-26589, CVE-2023-52444, CVE-2023-52436, CVE-2024-26633,     CVE-2024-26597, CVE-2023-52458, CVE-2024-26591, CVE-2023-52449, CVE-2023-52467, CVE-2023-52441,     CVE-2023-52610, CVE-2023-52451, CVE-2023-52469, CVE-2023-52470)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6639-1 advisory.

    It was discovered that a race condition existed in the ATM (Asynchronous Transfer Mode) subsystem of the     Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2023-51780)

    It was discovered that a race condition existed in the AppleTalk networking subsystem of the Linux kernel,     leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2023-51781)

    It was discovered that a race condition existed in the Rose X.25 protocol implementation in the Linux     kernel, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2023-51782)

    Alon Zahavi discovered that the NVMe-oF/TCP subsystem of the Linux kernel did not properly handle connect     command payloads in certain situations, leading to an out-of-bounds read vulnerability. A remote attacker     could use this to expose sensitive information (kernel memory). (CVE-2023-6121)

    Jann Horn discovered that a race condition existed in the Linux kernel when handling io_uring over     sockets, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2023-6531)

    Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle dynset     expressions passed from userspace, leading to a null pointer dereference vulnerability. A local attacker     could use this to cause a denial of service (system crash). (CVE-2023-6622)

    It was discovered that the IGMP protocol implementation in the Linux kernel contained a race condition,     leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2023-6932)

    Robert Morris discovered that the CIFS network file system implementation in the Linux kernel did not     properly validate certain server commands fields, leading to an out-of-bounds read vulnerability. An     attacker could use this to cause a denial of service (system crash) or possibly expose sensitive     information. (CVE-2024-0565)

    Dan Carpenter discovered that the netfilter subsystem in the Linux kernel did not store data in properly     sized memory locations. A local user could use this to cause a denial of service (system crash).
    (CVE-2024-0607)

    Jann Horn discovered that the TLS subsystem in the Linux kernel did not properly handle spliced messages,     leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of     service (system crash) or possibly execute arbitrary code. (CVE-2024-0646)

    Yang Chaoming discovered that the KSMBD implementation in the Linux kernel did not properly validate     request buffer sizes, leading to an out-of-bounds read vulnerability. An attacker could use this to cause     a denial of service (system crash) or possibly expose sensitive information. (CVE-2024-22705)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
193377	Ubuntu 22.04 LTS / 23.10 : Linux kernel vulnerabilities (USN-6724-2)	Nessus	Ubuntu Local Security Checks	high
193375	Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel (AWS) vulnerabilities (USN-6725-2)	Nessus	Ubuntu Local Security Checks	critical
193085	Ubuntu 22.04 LTS / 23.10 : Linux kernel vulnerabilities (USN-6724-1)	Nessus	Ubuntu Local Security Checks	high
193084	Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6725-1)	Nessus	Ubuntu Local Security Checks	critical
190559	Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6639-1)	Nessus	Ubuntu Local Security Checks	high

Detections

Analytics

CVE-2024-22705

high

Tenable Plugins

high

critical

high

critical

high