CVE-2013-2094

unknown KEV

Published 2022-09-15 · Modified 2022-09-15

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

2.5

Description

Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perf_swevent_enabled array in sw_perf_event_destroy(). Explotation allows for privilege escalation.

CISA KEV

Vendor: Linux
Product: Kernel
Due date: 2022-10-06

Predictions

Exploit likelihood

99%

Patch ETA

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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.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-25444 local linux

sd · 2013-05-14

Linux Kernel 2.6.32 < 3.x (CentOS 5/6) - 'PERF_EVENTS' Local Privilege Escalation (1)

Source code queued for fetch — refresh in a moment.

EDB-33589 local linux_x86-64 verified

Vitaly Nikolenko · 2014-05-31

Linux Kernel 3.2.0-23/3.5.0-23 (Ubuntu 12.04/12.04.1/12.04.2 x64) - 'perf_swevent_init' Local Privilege Escalation (3)

Source code queued for fetch — refresh in a moment.

EDB-26131 local linux_x86-64 verified

Andrea Bittau · 2013-06-11

Linux Kernel < 3.8.9 (x86-64) - 'perf_swevent_init' Local Privilege Escalation (2)

Source code queued for fetch — refresh in a moment.

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`3.8.11-1`
sid	Fixed	`3.8.11-1`
forky	Fixed	`3.8.11-1`
bullseye	Fixed	`3.8.11-1`
bookworm	Fixed	`3.8.11-1`

References

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

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