CVE-2015-5706

medium

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.

References

https://source.android.com/security/bulletin/2017-01-01.html

https://github.com/torvalds/linux/commit/f15133df088ecadd141ea1907f2c96df67c729f0

https://bugzilla.redhat.com/show_bug.cgi?id=1250047

http://www.ubuntu.com/usn/USN-2681-1

http://www.ubuntu.com/usn/USN-2680-1

http://www.securityfocus.com/bid/76142

http://www.openwall.com/lists/oss-security/2015/08/01/5

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.4

http://www.debian.org/security/2015/dsa-3329

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0

Details

Source: Mitre, NVD

Published: 2015-08-31

Updated: 2020-08-13

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium