CVE-2026-80591 json
f2fs: fix listxattr handling of corrupted xattr entries
published 2026-08-28 2 mo ago modified 2026-08-29 2 mo ago also EUVD-2026-67467
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 7%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Linux Linux 4.15, 4.20, 5.5, 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.96, 6.18.39, 7.1.5, 7.2
- linux Debian 12 6.1.180-1
- linux Debian 13 6.12.96-1
- linux Debian 14 7.1.5-1
debian advisories DEBIAN-CVE-2026-80591
- linux Ubuntu 22.04 LTS 5.15.0-198.208
- linux Ubuntu 24.04 LTS 6.8.0-147.147
- linux Ubuntu 26.04 LTS 7.0.0-31.31
- linux-aws Ubuntu 22.04 LTS 5.15.0-1117.124
- linux-aws Ubuntu 24.04 LTS 6.8.0-1067.70
- linux-aws Ubuntu 26.04 LTS 7.0.0-1012.12
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1118.128
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1071.79
ubuntu advisories UBUNTU-CVE-2026-80591
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git.kernel.org/stable/c/7dfac47e4189692f35230f3064acf2540e6d75fe commit
- git.kernel.org/stable/c/c8a10f174316e80d577e6549099b71a7a2111f3f commit
- git.kernel.org/stable/c/dfa4891c27bccbd83d511a065721e85621f275a1 commit
- git.kernel.org/stable/c/2770041f34b52334ea63351ffb1cc2007a9de46e commit
- git.kernel.org/stable/c/7dd01f7d0291583e3e5420c95c7d584e114899bd commit
- git.kernel.org/stable/c/ec9f79c8d5b28a928e65b67cd138c841571cf502 commit
- git.kernel.org/stable/c/3c0dbfecd859fd02fe9008f33a83146102ccd9ba commit
- git.kernel.org/stable/c/5ef5bc304f23c3fe255d4936472378dcb74d0e94 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-80591 updated cvss 5.5
kernel: f2fs: fix listxattr handling of corrupted xattr entries
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/7dfac47e4189692f35230f3064acf2540e6d75fe
- git.kernel.org /stable/c/c8a10f174316e80d577e6549099b71a7a2111f3f
- git.kernel.org /stable/c/dfa4891c27bccbd83d511a065721e85621f275a1
- git.kernel.org /stable/c/2770041f34b52334ea63351ffb1cc2007a9de46e
- git.kernel.org /stable/c/7dd01f7d0291583e3e5420c95c7d584e114899bd
- git.kernel.org /stable/c/ec9f79c8d5b28a928e65b67cd138c841571cf502
- git.kernel.org /stable/c/3c0dbfecd859fd02fe9008f33a83146102ccd9ba
- git.kernel.org /stable/c/5ef5bc304f23c3fe255d4936472378dcb74d0e94
Sources
- CVE List CVE-2026-80591
- NVD CVE-2026-80591
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.