CVE-2012-4542

medium

Published 2013-02-28 · 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

4.6

Description

block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes.

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

Debian Affected 5 releases

Version	Status	Fixed in
trixie	Affected	—
sid	Affected	—
forky	Affected	—
bullseye	Affected	—
bookworm	Affected	—

Linux kernel Affected 152 releases

Version	Status	Fixed in
3.7.10	Affected	—
3.7.9	Affected	—
3.7.8	Affected	—
3.7.7	Affected	—
3.7.6	Affected	—
3.7.5	Affected	—
3.7.4	Affected	—
3.7.3	Affected	—
3.7.2	Affected	—
3.7.1	Affected	—
3.7	Affected	—
3.6.11	Affected	—
3.6.10	Affected	—
3.6.9	Affected	—
3.6.8	Affected	—
3.6.7	Affected	—
3.6.6	Affected	—
3.6.5	Affected	—
3.6.4	Affected	—
3.6.3	Affected	—
3.6.2	Affected	—
3.6.1	Affected	—
3.6	Affected	—
3.5.7	Affected	—
3.5.6	Affected	—
3.5.5	Affected	—
3.5.4	Affected	—
3.5.3	Affected	—
3.5.2	Affected	—
3.5.1	Affected	—
3.4.24	Affected	—
3.4.23	Affected	—
3.4.22	Affected	—
3.4.21	Affected	—
3.4.20	Affected	—
3.4.19	Affected	—
3.4.18	Affected	—
3.4.17	Affected	—
3.4.16	Affected	—
3.4.15	Affected	—
3.4.14	Affected	—
3.4.13	Affected	—
3.4.12	Affected	—
3.4.11	Affected	—
3.4.10	Affected	—
3.4.9	Affected	—
3.4.8	Affected	—
3.4.7	Affected	—
3.4.6	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	—

References

CWEs

CWE-264

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

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