Description
Multiple stack-based buffer overflows in net/netfilter/ipvs/ip_vs_ctl.c in the Linux kernel before 2.6.33, when CONFIG_IP_VS is used, allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability for (1) a getsockopt system call, related to the do_ip_vs_get_ctl function, or (2) a setsockopt system call, related to the do_ip_vs_set_ctl function.
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 6.0 | linux-2.6 | 2.6.32-48squeeze5 | DSA-2906-1 |
Advisories 1
- DSA-2906-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- USN-2065-1 vendor-advisory
- https://github.com/torvalds/linux/commit/04bcef2a83f40c6db24222b27a52892cba39dffb
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=04bcef2a83f40c6db24222b27a52892cba39dffb
- http://ftp.linux.org.uk/pub/linux/linux-2.6/ChangeLog-2.6.33
- 63744 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1030800
- USN-2064-1 vendor-advisory
- [oss-security] 20131115 Re: CVE request: Linux kernel: net: ipvs stack buffer overflow mailing-list