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 specia…

published 2008-05-08 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4982

cvss: 4.9; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits: 0; none known

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.

Patch / fix

distros 1

kernel RHEL 3 2.4.21-57.EL
kernel-smp RHEL 3 2.4.21-57.EL
kernel-BOOT RHEL 3 2.4.21-57.EL
kernel-source RHEL 3 2.4.21-57.EL
kernel-hugemem RHEL 3 2.4.21-57.EL
kernel-unsupported RHEL 3 2.4.21-57.EL
kernel-smp-unsupported RHEL 3 2.4.21-57.EL
kernel-hugemem-unsupported RHEL 3 2.4.21-57.EL

red hat advisories RHSA-2008:0211

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-5001 updated 2025-11-21

kernel asynchronous IO on a FIFO kernel panic

Red Hat Desktop version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more Red Hat Enterprise Linux AS version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more Red Hat Enterprise Linux ES version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more Red Hat Enterprise Linux WS version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
fixed: vendor fix RHSA-2008:0211

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.9	AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness

CWE-399 Resource Management Errors

References

redhat.com /support/errata/RHSA-2008-0211.html
vendor-advisory
bugzilla.redhat.com /show_bug.cgi?id=326251
secunia.com /advisories/30110
third-party-advisory
vupen.com /english/advisories/2008/2222/references
vdb-entry
securityfocus.com /bid/29083
vdb-entry
osvdb.org /44987
vdb-entry
exchange.xforce.ibmcloud.com /vulnerabilities/42273
vdb-entry
lists.vmware.com /pipermail/security-announce/2008/000023.html
mailing-list
oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11329
vdb-entry, signature
secunia.com /advisories/31246
third-party-advisory

Sources

CVE List CVE-2007-5001
NVD CVE-2007-5001

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary