Description

The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a parenthesized module template expression in the salg_name field, as demonstrated by the vfat(aes) expression, a different vulnerability than CVE-2013-7421.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4943ba16bbc2db05115707b3ff7b4874e9e3c560

http://rhn.redhat.com/errata/RHSA-2016-0068.html

http://www.debian.org/security/2015/dsa-3170

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5

http://www.mandriva.com/security/advisories?name=MDVSA-2015:057

http://www.mandriva.com/security/advisories?name=MDVSA-2015:058

http://www.openwall.com/lists/oss-security/2015/01/24/4

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://www.securityfocus.com/bid/72320

http://www.ubuntu.com/usn/USN-2513-1

http://www.ubuntu.com/usn/USN-2514-1

http://www.ubuntu.com/usn/USN-2543-1

http://www.ubuntu.com/usn/USN-2544-1

http://www.ubuntu.com/usn/USN-2545-1

http://www.ubuntu.com/usn/USN-2546-1

https://bugzilla.redhat.com/show_bug.cgi?id=1190546

https://github.com/torvalds/linux/commit/4943ba16bbc2db05115707b3ff7b4874e9e3c560

https://plus.google.com/+MathiasKrause/posts/PqFCo4bfrWu

Details

Risk Information

CVSS v2