CVE-2017-17863
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.14.11.a-1 | |
| debian | bookworm | fixed | 4.14.7-1 |
| debian | bullseye | fixed | 4.14.7-1 |
| debian | forky | fixed | 4.14.7-1 |
| debian | sid | fixed | 4.14.7-1 |
| debian | trixie | fixed | 4.14.7-1 |
| linux-kernel | affected | | |
| debian | 9.0 | affected | |
References
- https://security.archlinux.org/ASA-201801-4
- https://security.archlinux.org/ASA-201801-3
- https://security.archlinux.org/ASA-201801-2
- https://security.archlinux.org/ASA-201801-1
- 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
- https://security-tracker.debian.org/tracker/CVE-2017-17863
CWEs
CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.