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Ubuntu Security Notice USN-6681-3

Ubuntu Security Notice USN-6681-3
Posted Mar 14, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6681-3 - Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service. It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the Linux kernel did not properly handle certain error conditions during device registration. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-44879, CVE-2023-22995, CVE-2023-4244, CVE-2023-51779, CVE-2023-51780, CVE-2023-51782, CVE-2023-6121, CVE-2024-0340
SHA-256 | 0f6456a501a2a52790c93531be3acfce9cd0cea9e69c63498f9c5b2580aa219b

Ubuntu Security Notice USN-6681-3

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6681-3
March 13, 2024

linux-ibm, linux-ibm-5.4, linux-oracle, linux-oracle-5.4 vulnerabilities
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-ibm: Linux kernel for IBM cloud systems
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-ibm-5.4: Linux kernel for IBM cloud systems
- linux-oracle-5.4: Linux kernel for Oracle Cloud systems

Details:

Wenqing Liu discovered that the f2fs file system implementation in the
Linux kernel did not properly validate inode types while performing garbage
collection. An attacker could use this to construct a malicious f2fs image
that, when mounted and operated on, could cause a denial of service (system
crash). (CVE-2021-44879)

It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the
Linux kernel did not properly handle certain error conditions during device
registration. A local attacker could possibly use this to cause a denial of
service (system crash). (CVE-2023-22995)

Bien Pham discovered that the netfiler subsystem in the Linux kernel
contained a race condition, leading to a use-after-free vulnerability. A
local user could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2023-4244)

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 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 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)

It was discovered that the VirtIO subsystem in the Linux kernel did not
properly initialize memory in some situations. A local attacker could use
this to possibly expose sensitive information (kernel memory).
(CVE-2024-0340)

Update instructions:

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

Ubuntu 20.04 LTS:
linux-image-5.4.0-1067-ibm 5.4.0-1067.72
linux-image-5.4.0-1119-oracle 5.4.0-1119.128
linux-image-ibm-lts-20.04 5.4.0.1067.96
linux-image-oracle-lts-20.04 5.4.0.1119.112

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
linux-image-5.4.0-1067-ibm 5.4.0-1067.72~18.04.1
linux-image-5.4.0-1119-oracle 5.4.0-1119.128~18.04.1
linux-image-ibm 5.4.0.1067.77
linux-image-oracle 5.4.0.1119.128~18.04.91

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-6681-3
https://ubuntu.com/security/notices/USN-6681-1
CVE-2021-44879, CVE-2023-22995, CVE-2023-4244, CVE-2023-51779,
CVE-2023-51780, CVE-2023-51782, CVE-2023-6121, CVE-2024-0340

Package Information:
https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1067.72
https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1119.128

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