Bug 2525397 (CVE-2026-80591) - CVE-2026-80591 kernel: f2fs: fix listxattr handling of corrupted xattr entries
Summary: CVE-2026-80591 kernel: f2fs: fix listxattr handling of corrupted xattr entries
Keywords:
Status: NEW
Alias: CVE-2026-80591
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-28 07:42 UTC by OSIDB Bzimport
Modified: 2026-08-31 05:41 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-28 07:42:57 UTC 
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.
Comment 1 gkamathe 2026-08-31 05:41:06 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026082827-CVE-2026-80591-9af6@gregkh/T
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