CVE-2010-4258

MediumCVSS 6.2/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 6.2/10AV:L/AC:H/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-269

Affected software

No affected versions have been published.

Timeline

Published
Dec 30, 2010
Last modified
Jun 16, 2026
NVD status
Modified

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