Vulnerability in Linux Kernel
CVE-2015-8767
net/sctp/sm_sideeffect.c in the Linux kernel before 4.3 does not properly manage the relationship between a lock and a socket, which allows local users to cause a denial of service (deadlock) via a crafted sctp_accept call.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
References
- www.ubuntu.com/usn/USN-2930-1 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-2967-1 (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- access.redhat.com/errata/RHSA-2016:1341 (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-0715.html (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-2930-2 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2016:1301 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/01/11/4 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2016/dsa-3503 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8767?
- CVE-2015-8767 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.2/10. Published 2016-02-08.
- How severe is CVE-2015-8767?
- Medium severity. CVSS v3 base score is 6.2 out of 10.