Description
The atm module in Linux kernel 2.6 before 2.6.14 allows local users to cause a denial of service (panic) via certain socket calls that produce inconsistent reference counts for loadable protocol modules.
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 3.1 | kernel-source-2.6.8 | 2.6.8-16sarge3 | DSA-1103 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +8 | 2.6.9-34.0.1.EL | RHSA-2006:0493 |
Advisories 2
- RHSA-2006:0493 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1103 kernel-source-2.6.8 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
- RHSA-2006:0493 vendor-advisory
- oval:org.mitre.oval:def:10214 vdb-entry signature
- ADV-2006-2554 vdb-entry
- 19220 third-party-advisory
- 21745 third-party-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175769
- DSA-1103 vendor-advisory
- 17078 vdb-entry
- http://linux.bkbits.net:8080/linux-2.6/cset%404339c66aLroC1_zunYKhEIbtIWrnwg
- 20237 third-party-advisory
- MDKSA-2006:059 vendor-advisory
- USN-263-1 vendor-advisory
- 20914 third-party-advisory