Description
The IPv6 SCTP implementation in net/sctp/ipv6.c in the Linux kernel through 3.11.1 uses data structures and function calls that do not trigger an intended configuration of IPsec encryption, which allows remote attackers to obtain sensitive information by sniffing the network.
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 | 3.11.5-1 | — |
| Debian 13 | linux | 3.11.5-1 | — |
| Debian 12 | linux | 3.11.5-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +11 | 3.8.13-rt14.25.el6rt | RHSA-2013:1490 |
Advisories 1
- RHSA-2013:1490 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
References
- https://github.com/torvalds/linux/commit/95ee62083cb6453e056562d91f597552021e6ae7
- USN-2024-1 vendor-advisory
- [oss-security] 20130913 Re: CVE request -- Linux kernel: net: sctp: ipv6 ipsec encryption bug in sctp_v6_xmit mailing-list
- RHSA-2013:1490 vendor-advisory
- USN-2039-1 vendor-advisory
- USN-2022-1 vendor-advisory
- USN-2038-1 vendor-advisory
- USN-2021-1 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=95ee62083cb6453e056562d91f597552021e6ae7
- USN-2019-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1007872
- USN-2049-1 vendor-advisory
- USN-2045-1 vendor-advisory
- USN-2050-1 vendor-advisory
- USN-2041-1 vendor-advisory