CVE-2010-3015

Severity: medium (CVSS 4.7 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: 2010-08-20 · updated 2026-06-16
Weakness: CWE-189

Description

Integer overflow in the ext4_ext_get_blocks function in fs/ext4/extents.c in the Linux kernel before 2.6.34 allows local users to cause a denial of service (BUG and system crash) via a write operation on the last block of a large file, followed by a sync operation.

Affected products

Linux kernel: through 2.6.33.7; 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5 (+413)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=731eb1a03a8445cde2cb23ecfb3580c6fa7bb690
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
http://marc.info/?l=oss-security&m=128192548904503&w=2
http://marc.info/?l=oss-security&m=128197862004376&w=2
http://marc.info/?l=oss-security&m=128201627016896&w=2
http://secunia.com/advisories/46397
http://support.avaya.com/css/P8/documents/100113326
http://www.debian.org/security/2010/dsa-2094
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
http://www.mandriva.com/security/advisories?name=MDVSA-2010:172

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