PT-2013-1792 · Linux+1 · Linux Kernel+1

Pascal Junod · Published 2013-02-18 · Updated 2014-01-04 · CVE-2012-5374

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.8-rc1

Description The issue allows local users to cause a denial of service, resulting in extended runtime of kernel code. This is achieved by creating many different files whose names are associated with the same CRC32C hash value, exploiting the CRC32C feature in the Btrfs implementation.

Recommendations For Linux kernel versions prior to 3.8-rc1, update to version 3.8-rc1 or later to resolve the issue.

Exploit

Fix

DoS

Weakness Enumeration

CWE-310

Related Identifiers

CVE-2012-5374

OPENSUSE-SU-2013_0395-1

USN-1944-1

USN-1945-1

USN-1946-1

USN-1947-1

USN-2017-1

USN-2018-1

Affected Products

Linux Kernel

Suse

References · 53

• 🔥 https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89 · Exploit
• https://bdu.fstec.ru/vul/2015-05311 · Security Note
• https://bdu.fstec.ru/vul/2015-05310 · Security Note
• https://bdu.fstec.ru/vul/2015-05305 · Security Note
• https://bdu.fstec.ru/vul/2015-05307 · Security Note
• https://ubuntu.com/security/notices/USN-2017-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2012-5374 · Security Note
• http://ubuntu.com/usn/USN-1947-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2012-5374 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2012-5374 · Vendor Advisory
• https://ubuntu.com/security/CVE-2012-5374 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1944-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2018-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-05315 · Security Note