Description
Race condition in the IP implementation in the Linux kernel before 3.0 might allow remote attackers to cause a denial of service (slab corruption and system crash) by sending packets to an application that sets socket options during the handling of network traffic.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 3.0-1 | — |
| Debian 13 | linux | 3.0-1 | — |
| Debian 12 | linux | 3.0-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze3 | DSA-2668-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +15 | 2.6.32-279.9.1.el6 | RHSA-2012:1304 |
| RHEL 5 | kernel +12 | 2.6.18-308.24.1.el5 | RHSA-2012:1540 |
Advisories 3
- RHSA-2012:1540 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:1304 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2668-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- RHSA-2012:1540 vendor-advisory
- https://github.com/torvalds/linux/commit/f6d8bd051c391c1c0458a30b2a7abcd939329259
- http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f6d8bd051c391c1c0458a30b2a7abcd939329259
- [oss-security] 20120831 Re: CVE Request -- kernel: net: slab corruption due to improper synchronization around inet->opt mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=853465