What’s Vulnerable › Vulnerabilities
CVE-2017-17863
- Severity: high (CVSS 7.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-12-27 · updated 2026-06-17
- Weakness: CWE-190
Description
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.
Affected products
- Debian Linux: 9.0
- Linux kernel: from 4.9.0 through 4.9.71
References
- http://www.securityfocus.com/bid/102321
- http://www.securitytracker.com/id/1040058
- https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-reject-out-of-bounds-stack-pointer-calculation.patch?h=stretch-security
- https://usn.ubuntu.com/3523-3/
- https://usn.ubuntu.com/usn/usn-3523-2/
- https://www.debian.org/security/2017/dsa-4073
- https://www.spinics.net/lists/stable/msg206985.html
- http://www.securityfocus.com/bid/102321
- http://www.securitytracker.com/id/1040058
- https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-reject-out-of-bounds-stack-pointer-calculation.patch?h=stretch-security
- https://usn.ubuntu.com/3523-3/
- https://usn.ubuntu.com/usn/usn-3523-2/
Get alerted when CVE-2017-17863 or the next vulnerability affects your stack