Description
Linux kernel before 2.4.21 allows local users to cause a denial of service (kernel panic) via asynchronous input or output on a FIFO special file.
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 3 | kernel +8 | 2.4.21-57.EL | RHSA-2008:0211 |
Advisories 1
- RHSA-2008:0211 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- https://bugzilla.redhat.com/show_bug.cgi?id=326251
- 30110 third-party-advisory
- ADV-2008-2222 vdb-entry
- 29083 vdb-entry
- 44987 vdb-entry
- RHSA-2008:0211 vendor-advisory
- linux-kernel-fifo-dos(42273) vdb-entry
- [Security-announce] 20080728 VMSA-2008-00011 Updated ESX service console packages for Samba and vmnix mailing-list
- oval:org.mitre.oval:def:11329 vdb-entry signature
- 31246 third-party-advisory