CVE-2010-3079
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c55cb12c1c172e2d51e85fbb5a4796ca86b77e7
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlAdvisory
- 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/43684Advisory
- http://www.ubuntu.com/usn/USN-1041-1Advisory