Vulnerability in Linux Kernel
CVE-2017-5986
Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (65.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2017:1308 (vendor-advisory)
- github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90 (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2017/02/14/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- www.securityfocus.com/bid/96222 (vdb-entry)
- www.debian.org/security/2017/dsa-3804 (vendor-advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-5986?
- CVE-2017-5986 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.5/10. Published 2017-02-18.
- How severe is CVE-2017-5986?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-5986 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.