CVE-2011-2695

MediumCVSS 4.9/10Last modified Jun 16, 2026

Description

Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.

Metrics

CVSS 2.0 4.9/10AV:L/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-193

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6
http://secunia.com/advisories/45193Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5Broken Link
http://www.openwall.com/lists/oss-security/2011/07/15/7Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/07/15/8Mailing List, Third Party Advisory
http://www.spinics.net/lists/linux-ext4/msg25697.htmlExploit, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=722557Issue Tracking, Patch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6
http://secunia.com/advisories/45193Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5Broken Link
http://www.openwall.com/lists/oss-security/2011/07/15/7Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/07/15/8Mailing List, Third Party Advisory
http://www.spinics.net/lists/linux-ext4/msg25697.htmlExploit, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=722557Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Jul 28, 2011
Last modified: Jun 16, 2026
NVD status: Modified

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