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CVE
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CVE-2015-5706Date: (C)2015-08-28   (M)2024-02-22


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 and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.6
Exploit Score: 3.9
Impact Score: 6.4
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: PARTIAL
  
Reference:
BID-76142
DSA-3329
USN-2680-1
USN-2681-1
http://www.openwall.com/lists/oss-security/2015/08/01/5
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0
http://twitter.com/grsecurity/statuses/597127122910490624
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.4
https://bugzilla.redhat.com/show_bug.cgi?id=1250047
https://github.com/torvalds/linux/commit/f15133df088ecadd141ea1907f2c96df67c729f0
https://source.android.com/security/bulletin/2017-01-01.html

CPE    4
cpe:/o:canonical:ubuntu_linux:12.04::~~esm~~~
cpe:/o:debian:debian_linux:7.0
cpe:/o:debian:debian_linux:8.0
cpe:/o:linux:linux_kernel
...
CWE    1
CWE-416
OVAL    9
oval:org.secpod.oval:def:52524
oval:org.secpod.oval:def:702636
oval:org.secpod.oval:def:702647
oval:org.secpod.oval:def:702690
...

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