The m_stop function in fs/proc/task_mmu.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (OOPS) via vectors that trigger an m_start error.
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://www.openwall.com/lists/oss-security/2012/02/06/1
https://bugzilla.redhat.com/show_bug.cgi?id=747848
https://github.com/torvalds/linux/commit/76597cd31470fa130784c78fadb4dab2e624a723
Source: MITRE
Published: 2012-05-17
Updated: 2020-07-27
Type: CWE-476
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM