CVEvulnerability
CVE-2015-8970
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2016-11-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (<= 4.4.1)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd504589577d8e8e70f51f997ad487a4cb6c026f Issue Tracking, Patch, Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.2 Release Notes
- http://www.openwall.com/lists/oss-security/2016/11/04/3 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94217 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842 access.redhat.com
- https://access.redhat.com/errata/RHSA-2017:2077 access.redhat.com
- https://access.redhat.com/errata/RHSA-2017:2437 access.redhat.com
- https://access.redhat.com/errata/RHSA-2017:2444 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1386286 Issue Tracking
- https://github.com/torvalds/linux/commit/dd504589577d8e8e70f51f997ad487a4cb6c026f Issue Tracking, Patch, Third Party Advisory
- https://groups.google.com/forum/#%21msg/syzkaller/frb2XrB5aWk/xCXzkIBcDAAJ groups.google.com
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd504589577d8e8e70f51f997ad487a4cb6c026f Issue Tracking, Patch, Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.2 Release Notes
- http://www.openwall.com/lists/oss-security/2016/11/04/3 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94217 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842 access.redhat.com
- https://access.redhat.com/errata/RHSA-2017:2077 access.redhat.com
- https://access.redhat.com/errata/RHSA-2017:2437 access.redhat.com
- https://access.redhat.com/errata/RHSA-2017:2444 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1386286 Issue Tracking
- https://github.com/torvalds/linux/commit/dd504589577d8e8e70f51f997ad487a4cb6c026f Issue Tracking, Patch, Third Party Advisory
- https://groups.google.com/forum/#%21msg/syzkaller/frb2XrB5aWk/xCXzkIBcDAAJ groups.google.com