[USN-7179-1] Linux kernel vulnerabilities

Fri Dec 20 20:51:36 UTC 2024

==========================================================================
Ubuntu Security Notice USN-7179-1
December 20, 2024

linux, linux-gkeop, linux-ibm, linux-ibm-5.15, linux-kvm,
linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle-5.15
vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux: Linux kernel
- linux-gkeop: Linux kernel for Google Container Engine (GKE) systems
- linux-ibm: Linux kernel for IBM cloud systems
- linux-kvm: Linux kernel for cloud environments
- linux-lowlatency: Linux low latency kernel
- linux-ibm-5.15: Linux kernel for IBM cloud systems
- linux-lowlatency-hwe-5.15: Linux low latency kernel
- linux-oracle-5.15: Linux kernel for Oracle Cloud systems

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)

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;
   - Media drivers;
   - Network drivers;
   - SMB network file system;
   - Bluetooth subsystem;
   - Amateur Radio drivers;
   - Network traffic control;
   - VMware vSockets driver;
(CVE-2024-43904, CVE-2024-35963, CVE-2024-35967, CVE-2024-40973,
CVE-2024-26822, CVE-2024-35965, CVE-2024-40910, CVE-2024-38553,
CVE-2024-53057, CVE-2024-50264, CVE-2024-35966)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS
   linux-image-5.15.0-1057-gkeop   5.15.0-1057.64
   linux-image-5.15.0-1067-ibm     5.15.0-1067.70
   linux-image-5.15.0-1071-kvm     5.15.0-1071.76
   linux-image-5.15.0-128-lowlatency  5.15.0-128.138
   linux-image-5.15.0-128-lowlatency-64k  5.15.0-128.138
   linux-image-5.15.0-130-generic  5.15.0-130.140
   linux-image-5.15.0-130-generic-64k  5.15.0-130.140
   linux-image-5.15.0-130-generic-lpae  5.15.0-130.140
   linux-image-generic             5.15.0.130.128
   linux-image-generic-64k         5.15.0.130.128
   linux-image-generic-lpae        5.15.0.130.128
   linux-image-gkeop               5.15.0.1057.56
   linux-image-gkeop-5.15          5.15.0.1057.56
   linux-image-ibm                 5.15.0.1067.63
   linux-image-kvm                 5.15.0.1071.67
   linux-image-lowlatency          5.15.0.128.116
   linux-image-lowlatency-64k      5.15.0.128.116
   linux-image-virtual             5.15.0.130.128

Ubuntu 20.04 LTS
   linux-image-5.15.0-1067-ibm     5.15.0-1067.70~20.04.1
   linux-image-5.15.0-1072-oracle  5.15.0-1072.78~20.04.1
   linux-image-5.15.0-128-lowlatency  5.15.0-128.138~20.04.1
   linux-image-5.15.0-128-lowlatency-64k  5.15.0-128.138~20.04.1
   linux-image-ibm                 5.15.0.1067.70~20.04.1
   linux-image-lowlatency-64k-hwe-20.04  5.15.0.128.138~20.04.1
   linux-image-lowlatency-hwe-20.04  5.15.0.128.138~20.04.1
   linux-image-oracle              5.15.0.1072.78~20.04.1

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-7179-1
   CVE-2020-12351, CVE-2020-12352, CVE-2020-24490, CVE-2024-26822,
   CVE-2024-35963, CVE-2024-35965, CVE-2024-35966, CVE-2024-35967,
   CVE-2024-38553, CVE-2024-40910, CVE-2024-40973, CVE-2024-43904,
   CVE-2024-50264, CVE-2024-53057

Package Information:
   https://launchpad.net/ubuntu/+source/linux/5.15.0-130.140
   https://launchpad.net/ubuntu/+source/linux-gkeop/5.15.0-1057.64
   https://launchpad.net/ubuntu/+source/linux-ibm/5.15.0-1067.70
   https://launchpad.net/ubuntu/+source/linux-kvm/5.15.0-1071.76
   https://launchpad.net/ubuntu/+source/linux-lowlatency/5.15.0-128.138
   https://launchpad.net/ubuntu/+source/linux-ibm-5.15/5.15.0-1067.70~20.04.1

https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-5.15/5.15.0-128.138~20.04.1

https://launchpad.net/ubuntu/+source/linux-oracle-5.15/5.15.0-1072.78~20.04.1

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