CVE-2012-0038 - Unteamed Season

Description

Integer overflow in the xfs_acl_from_disk function in fs/xfs/xfs_acl.c in the Linux kernel before 3.1.9 allows local users to cause a denial of service (panic) via a filesystem with a malformed ACL leading to a heap-based buffer overflow.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.9 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=093019cf1b18dd31b2c3b77acce4e000e2cbc9ce http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba https://bugzilla.redhat.com/show_bug.cgi?id=773280 http://www.openwall.com/lists/oss-security/2012/01/10/11 https://github.com/torvalds/linux/commit/fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba https://github.com/torvalds/linux/commit/093019cf1b18dd31b2c3b77acce4e000e2cbc9ce

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5