CVE-2015-7513
Description
arch/x86/kvm/x86.c in the Linux kernel before 4.4 does not reset the PIT counter values during state restoration, which allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via a zero value, related to the kvm_vm_ioctl_set_pit and kvm_vm_ioctl_set_pit2 functions.
Predictions
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
Fedora Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 23 | Affected | — |
| 22 | Affected | — |
Linux kernel Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 4.4 | Affected | — |
| — | Affected | 4.4 |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Ubuntu Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 15.10 | Affected | — |
| 15.04 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Mixed 7 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.3.3-3 |
| sid | Fixed | 4.3.3-3 |
| forky | Fixed | 4.3.3-3 |
| bullseye | Fixed | 4.3.3-3 |
| bookworm | Fixed | 4.3.3-3 |
| 8.0 | Affected | — |
| 7.0 | Affected | — |
References
- https://www.suse.com/security/cve/CVE-2015-7513.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
- http://www.debian.org/security/2016/dsa-3434
- http://www.openwall.com/lists/oss-security/2016/01/07/2
- http://www.securityfocus.com/bid/79901
- http://www.securitytracker.com/id/1034602
- http://www.ubuntu.com/usn/USN-2886-1
- http://www.ubuntu.com/usn/USN-2887-1
- http://www.ubuntu.com/usn/USN-2887-2
- http://www.ubuntu.com/usn/USN-2888-1
- http://www.ubuntu.com/usn/USN-2889-1
- http://www.ubuntu.com/usn/USN-2889-2
- http://www.ubuntu.com/usn/USN-2890-1
- http://www.ubuntu.com/usn/USN-2890-2
- http://www.ubuntu.com/usn/USN-2890-3
- https://bugzilla.redhat.com/show_bug.cgi?id=1284847
- https://github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8
- https://security-tracker.debian.org/tracker/CVE-2015-7513
CWEs
CWE-369
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.