CVE-2015-8970
Severity CVSS v4.0:
Pending analysis
Type:
CWE-476
NULL Pointer Dereference
Publication date:
28/11/2016
Last modified:
12/04/2025
Description
crypto/algif_skcipher.c in the Linux kernel before 4.4.2 does not verify that a setkey operation has been performed on an AF_ALG socket before an accept system call is processed, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted application that does not supply a key, related to the lrw_crypt function in crypto/lrw.c.
Impact
Base Score 3.x
5.50
Severity 3.x
MEDIUM
Base Score 2.0
4.90
Severity 2.0
MEDIUM
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.4.1 (including) |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd504589577d8e8e70f51f997ad487a4cb6c026f
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.2
- http://www.openwall.com/lists/oss-security/2016/11/04/3
- http://www.securityfocus.com/bid/94217
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2437
- https://access.redhat.com/errata/RHSA-2017:2444
- https://bugzilla.redhat.com/show_bug.cgi?id=1386286
- https://github.com/torvalds/linux/commit/dd504589577d8e8e70f51f997ad487a4cb6c026f
- https://groups.google.com/forum/#%21msg/syzkaller/frb2XrB5aWk/xCXzkIBcDAAJ
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd504589577d8e8e70f51f997ad487a4cb6c026f
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.2
- http://www.openwall.com/lists/oss-security/2016/11/04/3
- http://www.securityfocus.com/bid/94217
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2437
- https://access.redhat.com/errata/RHSA-2017:2444
- https://bugzilla.redhat.com/show_bug.cgi?id=1386286
- https://github.com/torvalds/linux/commit/dd504589577d8e8e70f51f997ad487a4cb6c026f
- https://groups.google.com/forum/#%21msg/syzkaller/frb2XrB5aWk/xCXzkIBcDAAJ