Vulnerability Description
Use-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.0, <= 3.19.8 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133PatchVendor Advisory
- http://twitter.com/grsecurity/statuses/597127122910490624Broken Link
- http://www.debian.org/security/2015/dsa-3329Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.4Release NotesVendor Advisory
- http://www.openwall.com/lists/oss-security/2015/08/01/5Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/76142Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2680-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2681-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1250047Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/f15133df088ecadd141ea1907f2c96df67c729fPatchThird Party Advisory
- https://source.android.com/security/bulletin/2017-01-01.htmlPatchThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133PatchVendor Advisory
- http://twitter.com/grsecurity/statuses/597127122910490624Broken Link
- http://www.debian.org/security/2015/dsa-3329Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.4Release NotesVendor Advisory
FAQ
What is CVE-2015-5706?
CVE-2015-5706 is a vulnerability with a CVSS score of 4.6 (MEDIUM). Use-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other i...
How severe is CVE-2015-5706?
CVE-2015-5706 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5706?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux.