What is CVE-2011-2695?

CVE-2011-2695 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10. CVE-2011-2695 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-2695?

CVE-2011-2695 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2011-2695?

No patch is currently available for CVE-2011-2695. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-2695 actively exploited?

CVE-2011-2695 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2011-2695

Medium

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.

Package Linux Kernel

Published 2011-07-28

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

AV:L/AC:L/Au:N/C:N/I:N/A:C

Weakness type

CWE-193

CVE-2011-2695 is classified as CWE-193

See CWE-193 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2011-2695 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Secunia
http://secunia.com/advisories/45193

Third Party Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5

Broken Link
Openwall
http://www.openwall.com/lists/oss-security/2011/07/15/7

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2011/07/15/8

Mailing List Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6
Patch
Kernel patch commit
http://www.spinics.net/lists/linux-ext4/msg25697.html
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=722557
Patch

Details

CVE ID CVE-2011-2695

Severity Medium

CVSS score 4.9 / 10

CVSS version 2.0

Published 2011-07-28

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-2695?

CVE-2011-2695 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 . CVE-2011-2695 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-2695?

CVE-2011-2695 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2011-2695?

No patch is currently available for CVE-2011-2695. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-2695 actively exploited?

No — CVE-2011-2695 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.