Description
Linux kernel 2.6.18, and possibly other versions, when running on AMD64 architectures, allows local users to cause a denial of service (crash) via certain ptrace calls.
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.18etch5 | DSA-1588-1 |
| Debian 4.0 | linux-2.6 | 2.6.18.dfsg.1-18etch5 | DSA-1588-1 |
| Debian 4.0 | user-mode-linux | 2.6.18-1um-2etch.18etch5 | DSA-1588-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-53.1.21.el5 | RHSA-2008:0275 |
| RHEL 4 | kernel +10 | 2.6.9-67.0.15.EL | RHSA-2008:0237 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 1 | kernel-rt +9 | 2.6.24.7-74.el5rt | RHSA-2008:0585 |
Advisories 4
- RHSA-2008:0585 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2008:0275 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2008:0237 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1588-1 fai-kernels linux-2.6 user-mode-linux - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- RHSA-2008:0275 vendor-advisory
- 30962 third-party-advisory
- 30294 third-party-advisory
- 30368 third-party-advisory
- linux-kernel-processtrace-dos(42278) vdb-entry
- SUSE-SA:2008:038 vendor-advisory
- SUSE-SA:2008:035 vendor-advisory
- oval:org.mitre.oval:def:9563 vdb-entry signature
- RHSA-2008:0237 vendor-advisory
- MDVSA-2008:167 vendor-advisory
- 30982 third-party-advisory
- DSA-1588 vendor-advisory
- SUSE-SA:2008:031 vendor-advisory
- 1020047 vdb-entry
- RHSA-2008:0585 vendor-advisory
- MDVSA-2008:174 vendor-advisory
- 31107 third-party-advisory
- 30252 third-party-advisory
- FEDORA-2008-4043 vendor-advisory
- 30890 third-party-advisory
- 31628 third-party-advisory
- USN-625-1 vendor-advisory
- 29086 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=431430
- SUSE-SA:2008:030 vendor-advisory
- 30818 third-party-advisory
- 30112 third-party-advisory
- SUSE-SA:2008:032 vendor-advisory