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Mageia 8: 2022-0041 Critical: Kernel Memory Access Flaw

mageia
Calendar Grey February 1, 2022
Dist Mageia Esm H88
The Ubuntu 2022-0052 kernel patch fixes vital vulnerabilities. Ensure your system is current and protected.
This kernel update is based on upstream 5.15.18 and fixes atleast the following security issues: A random memory access flaw was found in the Linux kernels GPU i915 kernel driver ...

Summary

This kernel update is based on upstream 5.15.18 and fixes atleast the following security issues:
A random memory access flaw was found in the Linux kernels GPU i915 kernel driver functionality in the way a user may run malicious code on the GPU. This flaw allows a local user to crash the system or escalate their privileges on the system (CVE-2022-0330).
A use-after-free flaw was found in the Linux kernels vmw_execbuf_copy_fence_user function in drivers/gpu/drm/vmwgfx/ vmwgfx_execbuf.c in vmwgfx. This flaw allows a local attacker with user privileges to cause a privilege escalation problem (CVE-2022-22942).
kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace (CVE-2022-24122).
Other fixes in this update: - fix broken RTL8814AU support (mga#29952) - fix cifs failing to load on server kernels (mga#29957) - fix broken plymouth scaling (mg...

Read the Full Advisory

References

- https://bugs.mageia.org/show_bug.cgi?id=29960

- https://bugs.mageia.org/show_bug.cgi?id=29952

- https://bugs.mageia.org/show_bug.cgi?id=29957

- https://bugs.mageia.org/show_bug.cgi?id=29925

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.17

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.18

- https://www.cve.org/CVERecord?id=CVE-2022-0330

- https://www.cve.org/CVERecord?id=CVE-2022-22942

- https://www.cve.org/CVERecord?id=CVE-2022-24122

Topics%20covered

Topics Covered

security advisory critical software update privilege escalation kernel memory flaw Mageia

Resolution

SRPMS

- 8/core/kernel-5.15.18-2.mga8

- 8/core/kmod-virtualbox-6.1.32-1.4.mga8

- 8/core/kmod-xtables-addons-3.18-1.52.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 01 Feb 2022
URL: https://advisories.mageia.org/MGASA-2022-0041.html
Type: security
CVE: CVE-2022-0330, CVE-2022-22942, CVE-2022-24122

Topics%20covered

Topics Covered

security advisory critical software update privilege escalation kernel memory flaw Mageia

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