Description
The virtual memory implementation in Linux kernel 2.6.x allows local users to cause a denial of service (panic) by running lsof a large number of times in a way that produces a heavy system load.
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 +8 | 2.6.9-34.0.1.EL | RHSA-2006:0493 |
Advisories 1
- RHSA-2006:0493 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
- RHSA-2006:0493 vendor-advisory
- 21745 third-party-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189031
- oval:org.mitre.oval:def:9390 vdb-entry signature
- 31663 vdb-entry
- 20237 third-party-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189260