In the Linux kernel, the following vulnerability has been resolved: sh: push-switch: Reorder cleanup operations to avoid use-after-free bug The original code puts flush_work() before timer_shutdown_sync() in switch_drv_remove(). Although we use flush_work() to stop the worker, it could be rescheduled in switch_timer(). As a result, a use-after-free bug can occur. The details are shown below: (cpu 0) | (cpu 1) switch_drv_remove() | flush_work() | ... | switch_timer // timer | schedule_work(&psw->work) timer_shutdown_sync() | ... | switch_work_handler // worker kfree(psw) // free | | psw->state = 0 // use This patch puts timer_shutdown_sync() before flush_work() to mitigate the bugs. As a result, the worker and timer will be stopped safely before the deallocate operations.

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6973-2 advisory.

    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:

    - SuperH RISC architecture;

    - MMC subsystem;

    - Network drivers;

    - SCSI drivers;

    - GFS2 file system;

    - IPv4 networking;

    - IPv6 networking;

    - HD-audio driver; (CVE-2024-26830, CVE-2024-39484, CVE-2024-36901, CVE-2024-26929, CVE-2024-26921,     CVE-2021-46926, CVE-2023-52629, CVE-2023-52760)

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 14.04 LTS / 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6972-3 advisory.

    Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race     condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of     service (system crash). (CVE-2024-22099)

    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:

    - SuperH RISC architecture;

    - User-Mode Linux (UML);

    - GPU drivers;

    - MMC subsystem;

    - Network drivers;

    - PHY drivers;

    - Pin controllers subsystem;

    - Xen hypervisor drivers;

    - GFS2 file system;

    - Core kernel;

    - Bluetooth subsystem;

    - IPv4 networking;

    - IPv6 networking;

    - HD-audio driver;

    - ALSA SH drivers; (CVE-2024-26903, CVE-2024-35835, CVE-2023-52644, CVE-2024-39292, CVE-2024-36940,     CVE-2024-26600, CVE-2023-52629, CVE-2024-35955, CVE-2023-52760, CVE-2023-52806, CVE-2024-39484,     CVE-2024-26679, CVE-2024-26654, CVE-2024-36901, CVE-2024-26687, 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 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6974-2 advisory.

    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:

    - SuperH RISC architecture;

    - User-Mode Linux (UML);

    - MMC subsystem;

    - Network drivers;

    - GFS2 file system;

    - IPv4 networking;

    - IPv6 networking; (CVE-2024-26921, CVE-2023-52629, CVE-2024-26680, CVE-2024-26830, CVE-2024-39484,     CVE-2024-39292, CVE-2024-36901, CVE-2023-52760)

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 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6972-2 advisory.

    Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race     condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of     service (system crash). (CVE-2024-22099)

    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:

    - SuperH RISC architecture;

    - User-Mode Linux (UML);

    - GPU drivers;

    - MMC subsystem;

    - Network drivers;

    - PHY drivers;

    - Pin controllers subsystem;

    - Xen hypervisor drivers;

    - GFS2 file system;

    - Core kernel;

    - Bluetooth subsystem;

    - IPv4 networking;

    - IPv6 networking;

    - HD-audio driver;

    - ALSA SH drivers; (CVE-2024-26903, CVE-2024-35835, CVE-2023-52644, CVE-2024-39292, CVE-2024-36940,     CVE-2024-26600, CVE-2023-52629, CVE-2024-35955, CVE-2023-52760, CVE-2023-52806, CVE-2024-39484,     CVE-2024-26679, CVE-2024-26654, CVE-2024-36901, CVE-2024-26687, 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 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6976-1 advisory.

    Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race     condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of     service (system crash). (CVE-2024-22099)

    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:

    - SuperH RISC architecture;

    - User-Mode Linux (UML);

    - GPU drivers;

    - HID subsystem;

    - MMC subsystem;

    - Network drivers;

    - PHY drivers;

    - SCSI drivers;

    - USB subsystem;

    - Xen hypervisor drivers;

    - GFS2 file system;

    - Memory management;

    - Bluetooth subsystem;

    - IPv4 networking;

    - IPv6 networking;

    - NFC subsystem;

    - HD-audio driver;

    - ALSA SH drivers; (CVE-2023-52806, CVE-2021-46924, CVE-2021-47521, CVE-2021-47542, CVE-2024-26903,     CVE-2024-26654, CVE-2024-27013, CVE-2024-26600, CVE-2021-47518, CVE-2021-47171, CVE-2023-52629,     CVE-2023-52644, CVE-2021-46904, CVE-2023-52470, CVE-2024-36901, CVE-2021-46906, CVE-2024-39292,     CVE-2022-48659, CVE-2021-47173, CVE-2021-47571, CVE-2024-26929, CVE-2024-39484, CVE-2024-26687,     CVE-2024-26679, CVE-2023-52760)

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-6974-1 advisory.

    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:

    - SuperH RISC architecture;

    - User-Mode Linux (UML);

    - MMC subsystem;

    - Network drivers;

    - GFS2 file system;

    - IPv4 networking;

    - IPv6 networking; (CVE-2024-26921, CVE-2023-52629, CVE-2024-26680, CVE-2024-26830, CVE-2024-39484,     CVE-2024-39292, CVE-2024-36901, CVE-2023-52760)

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 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6973-1 advisory.

    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:

    - SuperH RISC architecture;

    - MMC subsystem;

    - Network drivers;

    - SCSI drivers;

    - GFS2 file system;

    - IPv4 networking;

    - IPv6 networking;

    - HD-audio driver; (CVE-2024-26830, CVE-2024-39484, CVE-2024-36901, CVE-2024-26929, CVE-2024-26921,     CVE-2021-46926, CVE-2023-52629, CVE-2023-52760)

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 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6972-1 advisory.

    Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race     condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of     service (system crash). (CVE-2024-22099)

    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:

    - SuperH RISC architecture;

    - User-Mode Linux (UML);

    - GPU drivers;

    - MMC subsystem;

    - Network drivers;

    - PHY drivers;

    - Pin controllers subsystem;

    - Xen hypervisor drivers;

    - GFS2 file system;

    - Core kernel;

    - Bluetooth subsystem;

    - IPv4 networking;

    - IPv6 networking;

    - HD-audio driver;

    - ALSA SH drivers; (CVE-2024-26903, CVE-2024-35835, CVE-2023-52644, CVE-2024-39292, CVE-2024-36940,     CVE-2024-26600, CVE-2023-52629, CVE-2024-35955, CVE-2023-52760, CVE-2023-52806, CVE-2024-39484,     CVE-2024-26679, CVE-2024-26654, CVE-2024-36901, CVE-2024-26687, 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.

ID	Name	Product	Family	Severity
206170	Ubuntu 18.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6973-2)	Nessus	Ubuntu Local Security Checks	high
206169	Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6972-3)	Nessus	Ubuntu Local Security Checks	high
206168	Ubuntu 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-6974-2)	Nessus	Ubuntu Local Security Checks	high
206122	Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel (AWS) vulnerabilities (USN-6972-2)	Nessus	Ubuntu Local Security Checks	high
206097	Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerabilities (USN-6976-1)	Nessus	Ubuntu Local Security Checks	high
206079	Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6974-1)	Nessus	Ubuntu Local Security Checks	high
206077	Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6973-1)	Nessus	Ubuntu Local Security Checks	high
206075	Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-6972-1)	Nessus	Ubuntu Local Security Checks	high

Detections

Analytics

CVE-2023-52629

high

Tenable Plugins

high

high

high

high

high

high

high

high