Description
Memory leak in the request_key_auth_destroy function in request_key_auth in Linux kernel 2.6.10 up to 2.6.13 allows local users to cause a denial of service (memory consumption) via a large number of authorization token keys.
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +6 | 2.6.9-22.0.1.EL | RHSA-2005:808 |
Advisories 1
- RHSA-2005:808 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 15076 vdb-entry
- RHSA-2005:808 vendor-advisory
- 17364 third-party-advisory
- http://linux.bkbits.net:8080/linux-2.6/cset%4043483fddCiQX1WyG_orbko06TrjMVA
- oval:org.mitre.oval:def:11236 vdb-entry signature
- 17114 third-party-advisory