CVE-2017-17856
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging the lack of stack-pointer alignment enforcement.
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
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | 4.14.9 |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.14.7-1 |
| sid | Fixed | 4.14.7-1 |
| forky | Fixed | 4.14.7-1 |
| bullseye | Fixed | 4.14.7-1 |
| bookworm | Fixed | 4.14.7-1 |
| 9.0 | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 4.14.11.a-1 |
References
- https://security.archlinux.org/ASA-201801-4
- https://security.archlinux.org/ASA-201801-3
- https://security.archlinux.org/ASA-201801-1
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a5ec6ae161d72f01411169a938fa5f8baea16e8f
- http://www.openwall.com/lists/oss-security/2017/12/21/2
- https://github.com/torvalds/linux/commit/a5ec6ae161d72f01411169a938fa5f8baea16e8f
- https://security-tracker.debian.org/tracker/CVE-2017-17856
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.