CVE-2017-15306
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
The kvm_vm_ioctl_check_extension function in arch/powerpc/kvm/powerpc.c in the Linux kernel before 4.13.11 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a KVM_CHECK_EXTENSION KVM_CAP_PPC_HTM ioctl call to /dev/kvm.
Predictions
Exploit likelihood
55%
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 |
|---|---|---|---|
| debian | bookworm | fixed | 4.13.13-1 |
| debian | bullseye | fixed | 4.13.13-1 |
| debian | forky | fixed | 4.13.13-1 |
| debian | sid | fixed | 4.13.13-1 |
| debian | trixie | fixed | 4.13.13-1 |
| linux-kernel | affected | |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0
- http://openwall.com/lists/oss-security/2017/11/06/6
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
- http://www.securityfocus.com/bid/101693
- https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0
- https://security-tracker.debian.org/tracker/CVE-2017-15306
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.