CVE-2026-98444

Unknown

Description

In the Linux kernel, the following vulnerability has been resolved: xfs: drop dquot flush lock when we can't find a buffer to flush LOLLM noticed that xfs_qm_flush_one fails to drop the dquot flush lock if it can't grab the buffer associated with the dquot. Since there's no buffer, nobody else is going to drop the dqflock, so we need to do it ourselves.

SeverityUnknown
CVSS—
Exploit probability5. percentile0.2%
ProductLinux
PublishedOct 18, 2026
First seenOct 18, 2026

How to fix

Update
  • Linux Linux41bc624377f08125eae164c62ce043791ade93b7, ffb48dccce1960a9ea24463a2f3c21d124d6b672, 6.13 or later

Affected products

ProductAffected versionsFixed in
Linux Linuxca378189fdfa890a4f0622f85ee41b710bbac271 ≤ v < 41bc624377f08125eae164c62ce043791ade93b7, ca378189fdfa890a4f0622f85ee41b710bbac271 ≤ v < ffb48dccce1960a9ea24463a2f3c21d124d6b672, d331fc154564548b605cde8427442b54c87d7fd3, 6.12.14 ≤ v < 6.13, 6.1341bc624377f08125eae164c62ce043791ade93b7, ffb48dccce1960a9ea24463a2f3c21d124d6b672, 6.13

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