Description
Integer overflow in the dccp_setsockopt_change function in net/dccp/proto.c in the Datagram Congestion Control Protocol (DCCP) subsystem in the Linux kernel 2.6.17-rc1 through 2.6.26.2 allows remote attackers to cause a denial of service (panic) via a crafted integer value, related to Change L and Change R options without at least one byte in the dccpsf_val field.
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 4.0 | fai-kernels | 1.17+etch.22etch3 | DSA-1653-1 |
| Debian 4.0 | linux-2.6 | 2.6.18.dfsg.1-22etch3 | DSA-1653-1 |
| Debian 4.0 | linux-2.6.24 | 2.6.24-6~etchnhalf.5 | DSA-1636-1 |
| Debian 4.0 | user-mode-linux | 2.6.18-1um-2etch.22etch3 | DSA-1653-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-92.1.18.el5 | RHSA-2008:0957 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 1 | kernel-rt +9 | 2.6.24.7-81.el5rt | RHSA-2008:0857 |
Advisories 4
- RHSA-2008:0957 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-1653-1 fai-kernels linux-2.6 user-mode-linux - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1636-1 linux-2.6.24 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2008:0857 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- 32485 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=459226
- oval:org.mitre.oval:def:11506 vdb-entry signature
- 32190 third-party-advisory
- [oss-security] 20080815 CVE-2008-3276 Linux kernel dccp_setsockopt_change() integer overflow mailing-list
- 32393 third-party-advisory
- DSA-1636 vendor-advisory
- 32237 third-party-advisory
- 30704 vdb-entry
- RHSA-2008:0957 vendor-advisory
- 31509 third-party-advisory
- 31881 third-party-advisory
- SUSE-SA:2008:052 vendor-advisory
- USN-659-1 vendor-advisory
- ADV-2008-2406 vdb-entry
- RHSA-2008:0857 vendor-advisory
- DSA-1653 vendor-advisory
- 1020705 vdb-entry
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=3e8a0a559c66ee9e7468195691a56fefc3589740
- 32370 third-party-advisory
- 31836 third-party-advisory