CVE-2013-1959

Linux Kernel < 3.8.8 - Access Control

Title source: rule

Description

kernel/user_namespace.c in the Linux kernel before 3.8.9 does not have appropriate capability requirements for the uid_map and gid_map files, which allows local users to gain privileges by opening a file within an unprivileged process and then modifying the file within a privileged process.

Exploits (1)

exploitdb WORKING POC

by Andrew Lutomirski · clocallinux

https://www.exploit-db.com/exploits/25450

View Code ZIP pw:eip

References (7)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6708075f104c3c9b04b23336bb0366ca30c3931b

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e3211c120a85b792978bcb4be7b2886df18d27f0

[Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9

[Exploit] http://www.openwall.com/lists/oss-security/2013/04/29/1

[Patch] https://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931b

[Patch] https://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f0

[Exploit, Third Party Advisory] http://www.exploit-db.com/exploits/25307

Scores

EPSS 0.0142

EPSS Percentile 80.7%

Details

CWE

CWE-264

Status published

Products (44)

linux/linux_kernel 3.0 rc1 (7 CPE variants)

linux/linux_kernel 3.0.1

linux/linux_kernel 3.0.2

linux/linux_kernel 3.0.3

linux/linux_kernel 3.0.4

linux/linux_kernel 3.0.5

linux/linux_kernel 3.0.6

linux/linux_kernel 3.0.7

linux/linux_kernel 3.0.8

linux/linux_kernel 3.0.9

... and 34 more

Published May 03, 2013

Tracked Since Feb 18, 2026