Buffer overflow in Linux Kernel
CVE-2023-2124
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/xfs/xfs_bu… (Patch, Mailing List, Vendor Advisory)
- syzkaller.appspot.com/bug (Exploit, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230622-0010/ (Third Party Advisory)
- www.debian.org/security/2023/dsa-5448 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2023/dsa-5480 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/10/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-2124?
- CVE-2023-2124 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-05-15.
- How severe is CVE-2023-2124?
- High severity. CVSS v3 base score is 7.8 out of 10.