CVE-2012-2744

high

Published 2012-08-09 · 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

7.8

Description

net/ipv6/netfilter/nf_conntrack_reasm.c in the Linux kernel before 2.6.34, when the nf_conntrack_ipv6 module is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via certain types of fragmented IPv6 packets.

Predictions

Exploit likelihood

20%

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.

OS impact

Linux kernel Affected 21 releases

Version	Status	Fixed in
2.6.33.19	Affected	—
2.6.33.18	Affected	—
2.6.33.17	Affected	—
2.6.33.16	Affected	—
2.6.33.15	Affected	—
2.6.33.14	Affected	—
2.6.33.13	Affected	—
2.6.33.12	Affected	—
2.6.33.11	Affected	—
2.6.33.10	Affected	—
2.6.33.9	Affected	—
2.6.33.8	Affected	—
2.6.33.7	Affected	—
2.6.33.6	Affected	—
2.6.33.5	Affected	—
2.6.33.4	Affected	—
2.6.33.3	Affected	—
2.6.33.2	Affected	—
2.6.33.1	Affected	—
2.6.33	Affected	—
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`2.6.34-1`
sid	Fixed	`2.6.34-1`
forky	Fixed	`2.6.34-1`
bullseye	Fixed	`2.6.34-1`
bookworm	Fixed	`2.6.34-1`

References

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

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