CVE-2022-4378

Description

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Categories

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a kernel
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2152548 issue tracking third party advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-avoid-integer-type-confusion-in-get_proc_long.patch vendor advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-proc_skip_spaces-shouldn-t-think-it-is-working-on-c-strings.patch vendor advisory
https://seclists.org/oss-sec/2022/q4/178 third party advisory mailing list
http://packetstormsecurity.com/files/171289/Kernel-Live-Patch-Security-Notice-LNS-0092-1.html

Frequently Asked Questions

What is the severity of CVE-2022-4378?
CVE-2022-4378 has been scored as a high severity vulnerability.
How to fix CVE-2022-4378?
To fix CVE-2022-4378, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-4378 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-4378 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-4378?
CVE-2022-4378 affects n/a kernel.
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