========================================================================== Ubuntu Security Notice USN-7183-1 January 06, 2025
linux, linux-lts-xenial vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description:
- linux: Linux kernel
- linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty
Details:
Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux
kernel contained a type-confusion error. A physically proximate remote
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2020-12351)
Andy Nguyen discovered that the Bluetooth A2MP implementation in the Linux
kernel did not properly initialize memory in some situations. A physically
proximate remote attacker could use this to expose sensitive information
(kernel memory). (CVE-2020-12352)
Andy Nguyen discovered that the Bluetooth HCI event packet parser in the
Linux kernel did not properly handle event advertisements of certain sizes,
leading to a heap-based buffer overflow. A physically proximate remote
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2020-24490)
Ziming Zhang discovered that the VMware Virtual GPU DRM driver in the Linux
kernel contained an integer overflow vulnerability. A local attacker could
use this to cause a denial of service (system crash). (CVE-2022-36402)
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)
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:
- GPU drivers;
- I2C subsystem;
- Network drivers;
- Pin controllers subsystem;
- TTY drivers;
- USB Mass Storage drivers;
- Framebuffer layer;
- Ext4 file system;
- File systems infrastructure;
- Bluetooth subsystem;
- Kernel init infrastructure;
- DMA mapping infrastructure;
- Memory management;
- 9P file system network protocol;
- IPv4 networking;
- IPv6 networking;
- Logical Link layer;
- MAC80211 subsystem;
- Netfilter;
- NFC subsystem;
- Phonet protocol;
- Network traffic control;
- Wireless networking;
(CVE-2024-44947, CVE-2023-52594, CVE-2024-35886, CVE-2024-38633,
CVE-2023-52509, CVE-2024-26625, CVE-2024-36946, CVE-2024-45021,
CVE-2024-36270, CVE-2021-47118, CVE-2024-43884, CVE-2024-36941,
CVE-2024-38619, CVE-2021-47501, CVE-2024-49967, CVE-2024-42090,
CVE-2024-40912, CVE-2024-36968, CVE-2024-53057, CVE-2023-52507,
CVE-2024-42101, CVE-2021-47086, CVE-2024-42153, CVE-2024-40959,
CVE-2024-26777, CVE-2024-44944, CVE-2024-43856, CVE-2024-39301)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS
linux-image-4.4.0-262-generic 4.4.0-262.296
Available with Ubuntu Pro
linux-image-4.4.0-262-lowlatency 4.4.0-262.296
Available with Ubuntu Pro
linux-image-generic 4.4.0.262.268
Available with Ubuntu Pro
linux-image-generic-lts-xenial 4.4.0.262.268
Available with Ubuntu Pro
linux-image-lowlatency 4.4.0.262.268
Available with Ubuntu Pro
linux-image-lowlatency-lts-xenial 4.4.0.262.268
Available with Ubuntu Pro
linux-image-virtual 4.4.0.262.268
Available with Ubuntu Pro
linux-image-virtual-lts-xenial 4.4.0.262.268
Available with Ubuntu Pro
Ubuntu 14.04 LTS
linux-image-4.4.0-262-generic 4.4.0-262.296~14.04.1
Available with Ubuntu Pro
linux-image-4.4.0-262-lowlatency 4.4.0-262.296~14.04.1
Available with Ubuntu Pro
linux-image-generic-lts-xenial 4.4.0.262.296~14.04.1
Available with Ubuntu Pro
linux-image-lowlatency-lts-xenial 4.4.0.262.296~14.04.1
Available with Ubuntu Pro
linux-image-virtual-lts-xenial 4.4.0.262.296~14.04.1
Available with Ubuntu Pro
After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.
References:
https://ubuntu.com/security/notices/USN-7183-1
CVE-2020-12351, CVE-2020-12352, CVE-2020-24490, CVE-2021-47086,
CVE-2021-47118, CVE-2021-47501, CVE-2022-36402, CVE-2023-35827,
CVE-2023-52507, CVE-2023-52509, CVE-2023-52594, CVE-2024-26625,
CVE-2024-26777, CVE-2024-35886, CVE-2024-36270, CVE-2024-36941,
CVE-2024-36946, CVE-2024-36968, CVE-2024-38619, CVE-2024-38633,
CVE-2024-39301, CVE-2024-40912, CVE-2024-40959, CVE-2024-42090,
CVE-2024-42101, CVE-2024-42153, CVE-2024-43856, CVE-2024-43884,
CVE-2024-44944, CVE-2024-44947, CVE-2024-45021, CVE-2024-49967,
CVE-2024-53057
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