Linux Kernel f2fs listxattr Corrupted Xattr Handling Vulnerability
CVE-2026-80591 Published on August 28, 2026
f2fs: fix listxattr handling of corrupted xattr entries
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.
Products Associated with CVE-2026-80591
stack.watch emails you whenever new vulnerabilities are published in Linux Kernel or Canonical Ubuntu Linux. Just hit a watch button to start following.
Affected Versions
Linux:- Version 688078e7f36c293dae25b338ddc9e0a2790f6e06 and below 7dfac47e4189692f35230f3064acf2540e6d75fe is affected.
- Version 688078e7f36c293dae25b338ddc9e0a2790f6e06 and below c8a10f174316e80d577e6549099b71a7a2111f3f is affected.
- Version 688078e7f36c293dae25b338ddc9e0a2790f6e06 and below dfa4891c27bccbd83d511a065721e85621f275a1 is affected.
- Version 688078e7f36c293dae25b338ddc9e0a2790f6e06 and below 2770041f34b52334ea63351ffb1cc2007a9de46e is affected.
- Version 688078e7f36c293dae25b338ddc9e0a2790f6e06 and below 7dd01f7d0291583e3e5420c95c7d584e114899bd is affected.
- Version 688078e7f36c293dae25b338ddc9e0a2790f6e06 and below ec9f79c8d5b28a928e65b67cd138c841571cf502 is affected.
- Version 688078e7f36c293dae25b338ddc9e0a2790f6e06 and below 3c0dbfecd859fd02fe9008f33a83146102ccd9ba is affected.
- Version 688078e7f36c293dae25b338ddc9e0a2790f6e06 and below 5ef5bc304f23c3fe255d4936472378dcb74d0e94 is affected.
- Version ae811cecbbb231f11a84acaf74baca1283b964c7 is affected.
- Version ed523cbd4a6594edf123dc03ec9d70ea4f793671 is affected.
- Version 5811f24abd27a8a0791c6909c6ff803659060c84 is affected.
- Version 4.14.181 and below 4.15 is affected.
- Version 4.19.119 and below 4.20 is affected.
- Version 5.4.36 and below 5.5 is affected.
- Version 5.5 is affected.
- Before 5.5 is unaffected.
- Version 5.10.261, <= 5.10.* is unaffected.
- Version 5.15.212, <= 5.15.* is unaffected.
- Version 6.1.178, <= 6.1.* is unaffected.
- Version 6.6.145, <= 6.6.* is unaffected.
- Version 6.12.96, <= 6.12.* is unaffected.
- Version 6.18.39, <= 6.18.* is unaffected.
- Version 7.1.5, <= 7.1.* is unaffected.
- Version 7.2, <= * is unaffected.