1. Ubuntu Security Notices
  2. USN-6680-1

USN-6680-1: Linux kernel vulnerabilities

Publication date

6 March 2024

Overview

Several security issues were fixed in the Linux kernel.

Releases

Packages

Details

黄思聪 discovered that the NFC Controller Interface (NCI) implementation in
the Linux kernel did not properly handle certain memory allocation failure
conditions, leading to a null pointer dereference vulnerability. A local
attacker could use this to cause a denial of service (system crash).
(CVE-2023-46343)

It was discovered that a race condition existed in the Bluetooth 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-2023-51779)

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. (

黄思聪 discovered that the NFC Controller Interface (NCI) implementation in
the Linux kernel did not properly handle certain memory allocation failure
conditions, leading to a null pointer dereference vulnerability. A local
attacker could use this to cause a denial of service (system crash).
(CVE-2023-46343)

It was discovered that a race condition existed in the Bluetooth 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-2023-51779)

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 the io_uring subsystem in the Linux kernel
contained an out-of-bounds access vulnerability. A local attacker could use
this to cause a denial of service (system crash). (CVE-2023-6560)

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)

Supraja Sridhara, Benedict Schlüter, Mark Kuhne, Andrin Bertschi, and
Shweta Shinde discovered that the Confidential Computing framework in the
Linux kernel for x86 platforms did not properly handle 32-bit emulation on
TDX and SEV. An attacker with access to the VMM could use this to cause a
denial of service (guest crash) or possibly execute arbitrary code.
(CVE-2024-25744)

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

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.

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

Ubuntu Release Package Version
23.10 mantic linux-image-6.5.0-1009-starfive –  6.5.0-1009.10
linux-image-6.5.0-1011-laptop –  6.5.0-1011.14
linux-image-6.5.0-1012-raspi –  6.5.0-1012.15
linux-image-6.5.0-1015-gcp –  6.5.0-1015.15
linux-image-6.5.0-1018-oracle –  6.5.0-1018.18
linux-image-6.5.0-1018-oracle-64k –  6.5.0-1018.18
linux-image-6.5.0-25-generic –  6.5.0-25.25
linux-image-6.5.0-25-generic-64k –  6.5.0-25.25
linux-image-6.5.0-25-lowlatency –  6.5.0-25.25.1
linux-image-6.5.0-25-lowlatency-64k –  6.5.0-25.25.1
linux-image-gcp –  6.5.0.1015.15
linux-image-generic –  6.5.0.25.25
linux-image-generic-64k –  6.5.0.25.25
linux-image-generic-lpae –  6.5.0.25.25
linux-image-kvm –  6.5.0.25.25
linux-image-laptop-23.10 –  6.5.0.1011.14
linux-image-lowlatency –  6.5.0.25.25.16
linux-image-lowlatency-64k –  6.5.0.25.25.16
linux-image-oracle –  6.5.0.1018.20
linux-image-oracle-64k –  6.5.0.1018.20
linux-image-raspi –  6.5.0.1012.13
linux-image-raspi-nolpae –  6.5.0.1012.13
linux-image-starfive –  6.5.0.1009.11
linux-image-virtual –  6.5.0.25.25
22.04 jammy linux-image-6.5.0-1009-starfive –  6.5.0-1009.10~22.04.1
linux-image-6.5.0-1015-gcp –  6.5.0-1015.15~22.04.1
linux-image-6.5.0-1016-oem –  6.5.0-1016.17
linux-image-6.5.0-25-lowlatency –  6.5.0-25.25.1~22.04.1
linux-image-6.5.0-25-lowlatency-64k –  6.5.0-25.25.1~22.04.1
linux-image-gcp –  6.5.0.1015.15~22.04.1
linux-image-lowlatency-64k-hwe-22.04 –  6.5.0.25.25.1~22.04.8
linux-image-lowlatency-hwe-22.04 –  6.5.0.25.25.1~22.04.8
linux-image-oem-22.04d –  6.5.0.1016.18
linux-image-starfive –  6.5.0.1009.10~22.04.4

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References

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