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Ubuntu 22.04 LTS USN-6628-1 Critical: Linux Kernel Denial Of Service Issues

ubuntu
Calendar Grey February 9, 2024
Dist Ubuntu Esm H88
Urgent patch notice USN-6629-1 highlights several security vulnerabilities in linux-intel-iotg that necessitate prompt remediation.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-intel-iotg: Linux kernel for Intel IoT platforms

Details:

Quentin Minster discovered that a race condition existed in the KSMBD

implementation in the Linux kernel when handling sessions operations. A

remote attacker could use this to cause a denial of service (system crash)

or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252,

CVE-2023-32257)

Marek Marczykowski-Górecki discovered that the Xen event channel

infrastructure implementation in the Linux kernel contained a race

condition. An attacker in a guest VM could possibly use this to cause a

denial of service (paravirtualized device unavailability). (CVE-2023-34324)

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)

Tom Dohrmann discovered ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service kernel update critical linux-intel-iotg

Update Instructions

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

Ubuntu 22.04 LTS:
   linux-image-5.15.0-1047-intel-iotg  5.15.0-1047.53
   linux-image-intel-iotg          5.15.0.1047.47

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-6628-1

CVE-2023-32250, CVE-2023-32252, CVE-2023-32257, CVE-2023-34324,

CVE-2023-35827, CVE-2023-46813, CVE-2023-6039, CVE-2023-6040,

CVE-2023-6176, CVE-2023-6606, CVE-2023-6622, CVE-2023-6817,

CVE-2023-6931, CVE-2023-6932, CVE-2024-0193, CVE-2024-0641

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6628-1

Topics%20covered

Topics Covered

security advisory denial of service kernel update critical linux-intel-iotg

Package Information

https://launchpad.net/ubuntu/+source/linux-intel-iotg/5.15.0-1047.53

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