CVE-2026-80591
f2fs: fix listxattr handling of corrupted xattr entries
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.
INFO
Published Date :
Aug. 28, 2026, 8:16 a.m.
Last Modified :
Aug. 29, 2026, 7:16 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to the latest version.
- Apply the specific patch for f2fs listxattr handling.
- Verify the integrity of xattr entries.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-80591.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-80591 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-80591
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-80591 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-80591 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 29, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 28, 2026
Action Type Old Value New Value Added 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. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/80xxx/CVE-2026-80591.json">CVE-2026-80591</a> Added Reference https://git.kernel.org/stable/c/2770041f34b52334ea63351ffb1cc2007a9de46e Added Reference https://git.kernel.org/stable/c/3c0dbfecd859fd02fe9008f33a83146102ccd9ba Added Reference https://git.kernel.org/stable/c/5ef5bc304f23c3fe255d4936472378dcb74d0e94 Added Reference https://git.kernel.org/stable/c/7dd01f7d0291583e3e5420c95c7d584e114899bd Added Reference https://git.kernel.org/stable/c/7dfac47e4189692f35230f3064acf2540e6d75fe Added Reference https://git.kernel.org/stable/c/c8a10f174316e80d577e6549099b71a7a2111f3f Added Reference https://git.kernel.org/stable/c/dfa4891c27bccbd83d511a065721e85621f275a1 Added Reference https://git.kernel.org/stable/c/ec9f79c8d5b28a928e65b67cd138c841571cf502