Integer overflow in Linux Kernel
CVE-2017-7542
The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket.
Vulnerability class: Integer Overflow
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: 0.005 (36.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel
- Linux Kernel Versions Up To And Including 4.12 — versions Linux kernel versions up to and including 4.12
Weakness classification (CWE)
References
- www.debian.org/security/2017/dsa-3927 (vendor-advisory)
- access.redhat.com/errata/RHSA-2018:0169 (vendor-advisory)
- usn.ubuntu.com/3583-2/ (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:2918 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:2931 (vendor-advisory)
- www.securityfocus.com/bid/99953 (vdb-entry)
- help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+D…
- usn.ubuntu.com/3583-1/ (vendor-advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- www.debian.org/security/2017/dsa-3945 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-7542?
- CVE-2017-7542 is a medium-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2017-07-21.
- How severe is CVE-2017-7542?
- Medium severity. CVSS v3 base score is 5.5 out of 10.