Description
Linux kernel 2.6 and 2.4 on the IA64 architecture allows local users to cause a denial of service (kernel crash) via ptrace and the restore_sigcontext 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 3.1 | kernel-image-2.6.8-hppa | 2.6.8-6sarge1 | DSA-922-1 |
| Debian 3.1 | kernel-image-2.6.8-ia64 | 2.6.8-14sarge1 | DSA-922-1 |
| Debian 3.1 | kernel-image-2.6.8-m68k | 2.6.8-4sarge1 | DSA-922-1 |
| Debian 3.1 | kernel-image-2.6.8-s390 | 2.6.8-5sarge1 | DSA-922-1 |
| Debian 3.1 | kernel-image-2.6.8-sparc | 2.6.8-15sarge1 | DSA-922-1 |
| Debian 3.1 | kernel-patch-powerpc-2.6.8 | 2.6.8-12sarge1 | DSA-922-1 |
| Debian 3.1 | kernel-source-2.4.27 | 2.4.27-10sarge2 | DSA-1018-1 |
| Debian 3.1 | kernel-source-2.6.8 +3 | 2.6.8-16sarge1 | DSA-922-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +6 | 2.6.9-22.EL | RHSA-2005:514 |
| RHEL 3 | kernel +8 | 2.4.21-37.EL | RHSA-2005:663 |
Advisories 4
- RHSA-2005:663 Red Hat Security Advisory: Updated kernel packages available for Red Hat Enterprise Linux 3 Update 6 Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:514 Red Hat Security Advisory: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 2 Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-922-1 kernel-source-2.6.8 - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1018-1 kernel-source-2.4.27 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- 18056 third-party-advisory
- 14051 vdb-entry
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.1
- 17073 third-party-advisory
- 19369 third-party-advisory
- oval:org.mitre.oval:def:10487 vdb-entry signature
- http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4ea78729b8dbfc400fe165a57b90a394a7275a54
- DSA-1018 vendor-advisory
- DSA-922 vendor-advisory
- RHSA-2005:551 vendor-advisory
- 1014275 vdb-entry
- RHSA-2005:514 vendor-advisory
- 17002 third-party-advisory
- SUSE-SA:2005:044 vendor-advisory
- FLSA:157459-3 vendor-advisory
- RHSA-2005:663 vendor-advisory
- ADV-2005-1878 vdb-entry