PT-2012-1559 · Linux · Linux Kernel

Sami Liedes · Published 2012-06-13 · Updated 2023-02-13 · CVE-2011-2493

Positive Technologies (AI Summary)

CVSS v2.0

2.1

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.39

Description The issue is related to the ext4 fill super function in the Linux kernel, which does not properly initialize a certain error-report data structure. This allows local users to cause a denial of service by attempting to mount a crafted ext4 filesystem.

Recommendations For Linux kernel versions prior to 2.6.39, update to version 2.6.39 or later to resolve the issue.

Exploit

Fix

Related Identifiers

CVE-2011-2493

Affected Products

Linux Kernel

References · 5

• 🔥 https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-2493 · Security Note
• http://openwall.com/lists/oss-security/2011/06/24/4 · Note
• http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 · Note
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0449641130f5652b344ef6fa39fa019d7e94660a · Note