CVE-2023-2124

Public Exploit

Description

An out-of-bounds memory access flaw was found in the Linux kernel’s XFS file system in how a user restores an XFS image after failure (with a dirty log journal). This flaw allows a local user to crash or potentially escalate their privileges on the system.

Category

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

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/xfs/xfs_buf_item_recover.c?h=v6.4-rc1&id=22ed903eee23a5b174e240f1cdfa9acf393a5210 patch vendor advisory mailing list
https://syzkaller.appspot.com/bug?extid=7e9494b8b399902e994e mailing list third party advisory exploit
https://security.netapp.com/advisory/ntap-20230622-0010/ third party advisory
https://www.debian.org/security/2023/dsa-5448 third party advisory vendor advisory
https://www.debian.org/security/2023/dsa-5480 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-2124?
CVE-2023-2124 has been scored as a high severity vulnerability.
How to fix CVE-2023-2124?
To fix CVE-2023-2124, 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-2023-2124 being actively exploited in the wild?
It is possible that CVE-2023-2124 is being exploited or will be exploited in a near future based on public information. 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-2023-2124?
CVE-2023-2124 affects n/a Kernel.
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