CVE-2026-80591
Published Aug 28, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix listxattr handling of corrupted xattr entries Validate the xattr entry before reading its fields in f2fs_listxattr(). Return -EFSCORRUPTED when the entry is outside the valid xattr storage area instead of returning a successful partial result.
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EPSS — Exploit Prediction
0.0018
Probability of exploitation
0.07%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/2770041f34b52334ea63351ffb1cc2007a9de46e
https://git.kernel.org/stable/c/3c0dbfecd859fd02fe9008f33a83146102ccd9ba
https://git.kernel.org/stable/c/5ef5bc304f23c3fe255d4936472378dcb74d0e94
https://git.kernel.org/stable/c/7dd01f7d0291583e3e5420c95c7d584e114899bd
https://git.kernel.org/stable/c/7dfac47e4189692f35230f3064acf2540e6d75fe
https://git.kernel.org/stable/c/c8a10f174316e80d577e6549099b71a7a2111f3f
https://git.kernel.org/stable/c/dfa4891c27bccbd83d511a065721e85621f275a1
https://git.kernel.org/stable/c/ec9f79c8d5b28a928e65b67cd138c841571cf502
Frequently Asked Questions
What is CVE-2026-80591? +
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix listxattr handling of corrupted xattr entries
Validate the xattr entry before reading its fields in f2fs_listxattr().
Return -EFSCORRUPTED when the entry is outside the valid xattr storage
area instead of returning a successful partial result.
How do I check if I'm vulnerable to CVE-2026-80591? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.