A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6651-3 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)

    Zhenghan Wang discovered that the generic ID allocator implementation in the Linux kernel did not properly     check for null bitmap when releasing IDs. A local attacker could use this to cause a denial of service     (system crash). (CVE-2023-6915)

    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)

    Jann Horn discovered that the io_uring subsystem in the Linux kernel did not properly handle the release     of certain buffer rings. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2024-0582)

    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)

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-6651-2 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)

    Zhenghan Wang discovered that the generic ID allocator implementation in the Linux kernel did not properly     check for null bitmap when releasing IDs. A local attacker could use this to cause a denial of service     (system crash). (CVE-2023-6915)

    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)

    Jann Horn discovered that the io_uring subsystem in the Linux kernel did not properly handle the release     of certain buffer rings. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2024-0582)

    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)

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-6651-1 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)

    Zhenghan Wang discovered that the generic ID allocator implementation in the Linux kernel did not properly     check for null bitmap when releasing IDs. A local attacker could use this to cause a denial of service     (system crash). (CVE-2023-6915)

    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)

    Jann Horn discovered that the io_uring subsystem in the Linux kernel did not properly handle the release     of certain buffer rings. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2024-0582)

    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)

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 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6652-1 advisory.

    Marek Marczykowski-Grecki discovered that the Xen event channel infrastructure implementation in the     Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a     denial of service (paravirtualized device unavailability). (CVE-2023-34324)

    Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during     device removal. A privileged attacker could use this to cause a denial of service (system crash).
    (CVE-2023-35827)

    Tom Dohrmann discovered that the Secure Encrypted Virtualization (SEV) implementation for AMD processors     in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV     guest VM could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2023-46813)

    It was discovered that the io_uring subsystem in the Linux kernel contained a race condition, leading to a     null pointer dereference vulnerability. A local attacker could use this to cause a denial of service     (system crash). (CVE-2023-46862)

    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 the netfilter subsystem in the Linux kernel did not properly validate inner tunnel     netlink attributes, leading to a null pointer dereference vulnerability. A local attacker could use this     to cause a denial of service (system crash). (CVE-2023-5972)

    It was discovered that the TLS subsystem in the Linux kernel did not properly perform cryptographic     operations in some situations, leading to a null pointer dereference vulnerability. A local attacker could     use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6176)

    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)

    Zhenghan Wang discovered that the generic ID allocator implementation in the Linux kernel did not properly     check for null bitmap when releasing IDs. A local attacker could use this to cause a denial of service     (system crash). (CVE-2023-6915)

    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)

    Jann Horn discovered that the io_uring subsystem in the Linux kernel did not properly handle the release     of certain buffer rings. A local attacker could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2024-0582)

    It was discovered that the TIPC protocol implementation in the Linux kernel did not properly handle     locking during tipc_crypto_key_revoke() operations. A local attacker could use this to cause a denial of     service (kernel deadlock). (CVE-2024-0641)

    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)

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
191433	Ubuntu 22.04 LTS : Linux kernel (StarFive) vulnerabilities (USN-6651-3)	Nessus	Ubuntu Local Security Checks	high
191098	Ubuntu 22.04 LTS / 23.10 : Linux kernel vulnerabilities (USN-6651-2)	Nessus	Ubuntu Local Security Checks	high
190942	Ubuntu 22.04 LTS / 23.10 : Linux kernel vulnerabilities (USN-6651-1)	Nessus	Ubuntu Local Security Checks	high
190941	Ubuntu 23.10 : Linux kernel (Azure) vulnerabilities (USN-6652-1)	Nessus	Ubuntu Local Security Checks	high

Detections

Analytics

CVE-2024-0582

high

Tenable Plugins

high

high

high

high