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CVE-2022-2153

Published: Aug 31, 2022

Modified: Aug 3, 2024

PUBLISHED

Description

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

Vendor	Product	Versions
n/a	kernel	affected `kernel 5.18`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=2069736

https://www.openwall.com/lists/oss-security/2022/06/22/1

https://github.com/torvalds/linux/commit/7ec37d1cbe17d8189d9562178d8b29167fe1c31a

https://github.com/torvalds/linux/commit/00b5f37189d24ac3ed46cb7f11742094778c46ce

https://github.com/torvalds/linux/commit/b1e34d325397a33d97d845e312d7cf2a8b646b44

[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update

mailing-list

[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update

mailing-list

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