CVE-2026-80529

Unknown

Description

In the Linux kernel, the following vulnerability has been resolved: xfs: don't swallow dquot recovery verification errors xlog_recover_dquot_commit_pass2() validates the recovered dquot with xfs_dqblk_verify() and, on failure, sets error = -EFSCORRUPTED and jumps to out_release. But out_release unconditionally returns 0, so the corruption error is discarded: the caller xlog_recover_items_pass2() sees success, log recovery proceeds as if the dquot were valid, and the corrupt quota buffer can be written back to disk.

SeverityUnknown
CVSS—
Exploit probability—
ProductLinux
PublishedAug 26, 2026
First seenAug 26, 2026

How to fix

Update
  • Linux Linuxe506e127fcb4e2bad1045805f1740b395eea9618, 5b756fbb60b5d26063f46a11a3c7daa7eb616d79, a233b3362a3c7bf23f5143b4ef4b17ec337fcb4d, 38a4dbe588bd028a07a77dc5cee62ee3ce21e87d, 36a31b12540c0a0a3b77a01fda86de646f2961fb, e2b4a856085e9bd939bde2dee0d08b1d41babde9, 6.1.184, 6.6.153 or later

Affected products

ProductAffected versionsFixed in
Linux Linux7880b1f0adef4d363f42d6bb42aab3211291351b ≤ v < e506e127fcb4e2bad1045805f1740b395eea9618, 3581868f51a2edb027a898988b5b5a4ba379ee55 ≤ v < 5b756fbb60b5d26063f46a11a3c7daa7eb616d79, 9c235dfc3d3f901fe22acb20f2ab37ff39f2ce02 ≤ v < a233b3362a3c7bf23f5143b4ef4b17ec337fcb4d, 9c235dfc3d3f901fe22acb20f2ab37ff39f2ce02 ≤ v < 38a4dbe588bd028a07a77dc5cee62ee3ce21e87d, 9c235dfc3d3f901fe22acb20f2ab37ff39f2ce02 ≤ v < 36a31b12540c0a0a3b77a01fda86de646f2961fb, 9c235dfc3d3f901fe22acb20f2ab37ff39f2ce02 ≤ v < e2b4a856085e9bd939bde2dee0d08b1d41babde9, 6.1.128 ≤ v < 6.1.184, 6.6.17 ≤ v < 6.6.153, 6.7e506e127fcb4e2bad1045805f1740b395eea9618, 5b756fbb60b5d26063f46a11a3c7daa7eb616d79, a233b3362a3c7bf23f5143b4ef4b17ec337fcb4d, 38a4dbe588bd028a07a77dc5cee62ee3ce21e87d, 36a31b12540c0a0a3b77a01fda86de646f2961fb, e2b4a856085e9bd939bde2dee0d08b1d41babde9, 6.1.184, 6.6.153

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CVE-2026-80529 · Linux · Dark Radar