Description
Memory leak in the Red Hat Content Accelerator kernel patch in Red Hat Enterprise Linux (RHEL) 4 and 5 allows local users to cause a denial of service (memory consumption) via a large number of open requests involving O_ATOMICLOOKUP.
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 5 | kernel +11 | 2.6.18-53.1.4.el5 | RHSA-2007:0993 |
| RHEL 4 | kernel +10 | 2.6.9-67.0.1.EL | RHSA-2007:1104 |
Advisories 2
- RHSA-2007:0993 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2007:1104 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 28162 third-party-advisory
- RHSA-2007:1104 vendor-advisory
- 44153 vdb-entry
- 27824 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=315051
- 1019017 vdb-entry
- oval:org.mitre.oval:def:10884 vdb-entry signature
- RHSA-2007:0993 vendor-advisory
- 26657 vdb-entry
- rhel-content-accelerator-dos(38823) vdb-entry