CVE-2012-4508

low

Published 2012-12-21 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

1.9

Description

Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Linux kernel Affected 108 releases

Version	Status	Fixed in
3.4.14	Affected	—
3.4.13	Affected	—
3.4.12	Affected	—
3.4.11	Affected	—
3.4.10	Affected	—
3.4.5	Affected	—
3.4.4	Affected	—
3.4.3	Affected	—
3.4.2	Affected	—
3.4.1	Affected	—
3.4	Affected	—
3.3.8	Affected	—
3.3.7	Affected	—
3.3.6	Affected	—
3.3.5	Affected	—
3.3.4	Affected	—
3.3.3	Affected	—
3.3.2	Affected	—
3.3.1	Affected	—
3.3	Affected	—
3.2.30	Affected	—
3.2.29	Affected	—
3.2.28	Affected	—
3.2.27	Affected	—
3.2.26	Affected	—
3.2.25	Affected	—
3.2.24	Affected	—
3.2.23	Affected	—
3.2.22	Affected	—
3.2.21	Affected	—
3.2.20	Affected	—
3.2.19	Affected	—
3.2.18	Affected	—
3.2.17	Affected	—
3.2.16	Affected	—
3.2.15	Affected	—
3.2.14	Affected	—
3.2.13	Affected	—
3.2.12	Affected	—
3.2.11	Affected	—
3.2.10	Affected	—
3.2.9	Affected	—
3.2.8	Affected	—
3.2.7	Affected	—
3.2.6	Affected	—
3.2.5	Affected	—
3.2.4	Affected	—
3.2.3	Affected	—
3.2.2	Affected	—
3.2.1	Affected	—
3.2	Affected	—
3.1.10	Affected	—
3.1.9	Affected	—
3.1.8	Affected	—
3.1.7	Affected	—
3.1.6	Affected	—
3.1.5	Affected	—
3.1.4	Affected	—
3.1.3	Affected	—
3.1.2	Affected	—
3.1.1	Affected	—
3.1	Affected	—
3.0.44	Affected	—
3.0.43	Affected	—
3.0.42	Affected	—
3.0.41	Affected	—
3.0.40	Affected	—
3.0.39	Affected	—
3.0.38	Affected	—
3.0.37	Affected	—
3.0.36	Affected	—
3.0.35	Affected	—
3.0.34	Affected	—
3.0.33	Affected	—
3.0.32	Affected	—
3.0.31	Affected	—
3.0.30	Affected	—
3.0.29	Affected	—
3.0.28	Affected	—
3.0.27	Affected	—
3.0.26	Affected	—
3.0.25	Affected	—
3.0.24	Affected	—
3.0.23	Affected	—
3.0.22	Affected	—
3.0.21	Affected	—
3.0.20	Affected	—
3.0.19	Affected	—
3.0.18	Affected	—
3.0.17	Affected	—
3.0.16	Affected	—
3.0.15	Affected	—
3.0.14	Affected	—
3.0.13	Affected	—
3.0.12	Affected	—
3.0.11	Affected	—
3.0.10	Affected	—
3.0.9	Affected	—
3.0.8	Affected	—
3.0.7	Affected	—
3.0.6	Affected	—
3.0.5	Affected	—
3.0.4	Affected	—
3.0.3	Affected	—
3.0.2	Affected	—
3.0.1	Affected	—
3.0	Affected	—
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`3.2.35-1`
sid	Fixed	`3.2.35-1`
forky	Fixed	`3.2.35-1`
bullseye	Fixed	`3.2.35-1`
bookworm	Fixed	`3.2.35-1`

References

CWEs

CWE-362

Community-verified mitigations for this CVE will appear above when contributors publish them.

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