VULNERABILITY INTELLIGENCE

CVE-2010-4258

CVSS score6.2 MEDIUM
EPSS probability2.66%
CISA KEVNot currently listed
Published2010-12-30
Last modified2026-06-16
CVSS vectorAV:L/AC:H/Au:N/C:C/I:C/A:C

Description

The do_exit function in kernel/exit.c in the Linux kernel before 2.6.36.2 does not properly handle a KERNEL_DS get_fs value, which allows local users to bypass intended access_ok restrictions, overwrite arbitrary kernel memory locations, and gain privileges by leveraging a (1) BUG, (2) NULL pointer dereference, or (3) page fault, as demonstrated by vectors involving the clear_child_tid feature and the splice system call.

Weakness classification

  • CWE-269: Improper Privilege Management

Primary references