CVE-2014-2673

Severity: medium (CVSS 4.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-04-01 · updated 2026-06-17
Weakness: CWE-20

Description

The arch_dup_task_struct function in the Transactional Memory (TM) implementation in arch/powerpc/kernel/process.c in the Linux kernel before 3.13.7 on the powerpc platform does not properly interact with the clone and fork system calls, which allows local users to cause a denial of service (Program Check and system crash) via certain instructions that are executed with the processor in the Transactional state.

Affected products

Linux kernel: before 3.13.7 — fixed in 3.13.7

How to fix

Upgrade to a fixed version: Linux kernel 3.13.7. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=621b5060e823301d0cba4cb52a7ee3491922d291
http://secunia.com/advisories/57436
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.7
http://www.openwall.com/lists/oss-security/2014/03/30/5
http://www.securityfocus.com/bid/66477
https://exchange.xforce.ibmcloud.com/vulnerabilities/92113
https://github.com/torvalds/linux/commit/621b5060e823301d0cba4cb52a7ee3491922d291
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.15
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=621b5060e823301d0cba4cb52a7ee3491922d291
http://secunia.com/advisories/57436
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.7
http://www.openwall.com/lists/oss-security/2014/03/30/5

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