Vulnerability in Linux Kernel
CVE-2017-14106
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.4% 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2017:3200 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:2918 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:2931 (vendor-advisory)
- www.securityfocus.com/bid/100878 (vdb-entry)
- www.debian.org/security/2017/dsa-3981 (vendor-advisory)
- access.redhat.com/errata/RHSA-2018:2172 (vendor-advisory)
- github.com/torvalds/linux/commit/499350a5a6e7512d9ed369ed63a4244b6536f4f8 (Patch, Third Party Advisory, Issue Tracking)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- www.mail-archive.com/netdev@vger.kernel.org/msg186255.html
Frequently asked questions
- What is CVE-2017-14106?
- CVE-2017-14106 is a medium-severity vulnerability in Linux Kernel, classified under Divide By Zero. CVSS score: 5.5/10. Published 2017-09-01.
- How severe is CVE-2017-14106?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-14106 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.