CVE-2010-3079 Information

Description

kernel/trace/ftrace.c in the Linux kernel before 2.6.35.5 when debugfs is enabled does not properly handle interaction between mutex possession and llseek operations which allows local users to cause a denial of service (NULL pointer dereference and outage of all function tracing files) via an lseek call on a file descriptor associated with the set_ftrace_filter file.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c55cb12c1c172e2d51e85fbb5a4796ca86b77e7 http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html http://secunia.com/advisories/42758 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.5 http://www.redhat.com/support/errata/RHSA-2010-0842.html http://www.securityfocus.com/bid/43684 http://www.ubuntu.com/usn/USN-1041-1 http://www.vupen.com/english/advisories/2011/0070 http://www.vupen.com/english/advisories/2011/0298 https://bugzilla.redhat.com/show_bug.cgi?id=631623

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5