What is CVE-2011-2493?

CVE-2011-2493 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10. CVE-2011-2493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-2493?

CVE-2011-2493 has a CVSS score of 2.1 out of 10, rated Low severity. The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:P.

Is there a patch available for CVE-2011-2493?

No patch is currently available for CVE-2011-2493. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-2493 actively exploited?

CVE-2011-2493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2011-2493

Low

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel before 2.6.39 does not properly initialize a certain error-report data structure, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.

Package Linux Kernel

Published 2012-06-13

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

2.1

out of 10

Low

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:P

References

The following references provide additional information about CVE-2011-2493 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Ftp
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
Openwall
http://www.openwall.com/lists/oss-security/2011/06/24/4
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0449641130f5652b344ef6fa39fa019d7e94660a
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a
Patch

Details

CVE ID CVE-2011-2493

Severity Low

CVSS score 2.1 / 10

CVSS version 2.0

Published 2012-06-13

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-2493?

CVE-2011-2493 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 . CVE-2011-2493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-2493?

CVE-2011-2493 has a CVSS score of 2.1 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:P.
Is there a patch available for CVE-2011-2493?

No patch is currently available for CVE-2011-2493. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-2493 actively exploited?

No — CVE-2011-2493 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.