CVE-2008-4554

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-10-15 · updated 2026-06-16
Weakness: CWE-264

Description

The do_splice_from function in fs/splice.c in the Linux kernel before 2.6.27 does not reject file descriptors that have the O_APPEND flag set, which allows local users to bypass append mode and make arbitrary changes to other locations in the file.

Affected products

Linux kernel: through 2.6.26.5; 2.2.27, 2.4.36, 2.4.36.1, 2.4.36.2, 2.4.36.3, 2.4.36.4 (+86)

References

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=efc968d450e013049a662d22727cf132618dcb2f
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
http://secunia.com/advisories/32386
http://secunia.com/advisories/32918
http://secunia.com/advisories/32998
http://secunia.com/advisories/33180
http://secunia.com/advisories/33182
http://secunia.com/advisories/33586
http://secunia.com/advisories/35390
http://www.debian.org/security/2008/dsa-1681
http://www.debian.org/security/2008/dsa-1687
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27

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