CVE-2016-8655
HIGH severity · CVSS 7.8 · CWE-362
7.8CVSS HIGH
Summary
Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging the CAP_NET_RAW capability to change a socket version, related to the packet_set_ring and packet_setsockopt functions.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)11%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0c ↗
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0cPatch
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.htmlAdvisory