CVE-2017-18224

unknown

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

—

Description

In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-18224

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`4.15.4-1`
debian	bullseye	fixed	`4.15.4-1`
debian	forky	fixed	`4.15.4-1`
debian	sid	fixed	`4.15.4-1`
debian	trixie	fixed	`4.15.4-1`

References

https://security-tracker.debian.org/tracker/CVE-2017-18224

Verify integrity in audit chain (admin only). AS-IS.