NULL pointer dereference in Linux kernel - CVE-2015-6937
Published: October 19, 2015 / Updated: October 17, 2018
Vulnerability identifier: #VU90727
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-6937
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the net/rds/connection.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Fedora
kernel
Fedora
kernel
How to mitigate CVE-2015-6937
Install update from vendor's website.
kernel - addressed in versions 4.1.8-100.fc21, 4.1.8-200.fc22, 4.2.1-300.fc23
External References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=74e98eb085889b0d2d4908f59f6e00026063014f
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168447.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168539.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167358.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html
- http://www.debian.org/security/2015/dsa-3364
- http://www.openwall.com/lists/oss-security/2015/09/14/3
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/76767
- http://www.securitytracker.com/id/1034453
- http://www.ubuntu.com/usn/USN-2773-1
- http://www.ubuntu.com/usn/USN-2774-1
- http://www.ubuntu.com/usn/USN-2777-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1263139
- https://github.com/torvalds/linux/commit/74e98eb085889b0d2d4908f59f6e00026063014f