Integer overflow in Linux Kernel
CVE-2017-17863
kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.5% 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
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1040058 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3523-3/ (vendor-advisory)
- www.spinics.net/lists/stable/msg206985.html (Patch, Issue Tracking)
- www.securityfocus.com/bid/102321 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-4073 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/usn/usn-3523-2/ (vendor-advisory)
- anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-rej… (Patch)
Frequently asked questions
- What is CVE-2017-17863?
- CVE-2017-17863 is a high-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2017-12-27.
- How severe is CVE-2017-17863?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-17863 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.