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In the Linux kernel before 5.15.3 fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can for example lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file.

🗓️ 24 Mar 2022 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 4 Views

Linux kernel before 5.15.3 does not validate quota tree block numbers on disk, risking use after free.

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24 Mar 2022 07:00Current
7.2High risk
Vulners AI Score7.2
CVSS 24.3
CVSS 3.15.5
EPSS0.01339
4