Description
The kvm_apic_has_events function in arch/x86/kvm/lapic.h in the Linux kernel through 4.1.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging /dev/kvm access for an ioctl call.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 4.0.8-1 | — |
| Debian 13 | linux | 4.0.8-1 | — |
| Debian 12 | linux | 4.0.8-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-58.97 | USN-2681-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-44.59~14.04.1 | USN-2682-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-23.24~14.04.1 | USN-2683-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | kernel-docs | 3.12.44-52.10.3 | SUSE-SU-2015:1324-1 |
| SLES 12 | kernel-ec2 +5 | 3.12.44-52.10.1 | SUSE-SU-2015:1324-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | kernel-xen +3 | 3.12.44-52.10.1 | SUSE-SU-2015:1324-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_6 | 1-2.1 | SUSE-SU-2015:1324-1 |
Advisories 4
- USN-2681-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-2682-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2683-1 linux-lts-vivid vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2015:1324-1 Security update for the SUSE Linux Enterprise 12 kernel SUSE / openSUSE Security Updates · Feb 4, 2026
References
- [oss-security] 20150620 Re: CVE request -- Linux kernel - kvm: x86: NULL pointer dereference in kvm_apic_has_events function mailing-list
- USN-2680-1 vendor-advisory
- USN-2682-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1230770
- https://github.com/torvalds/linux/commit/ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009
- SUSE-SU-2015:1324 vendor-advisory
- DSA-3329 vendor-advisory
- FEDORA-2015-10678 vendor-advisory
- openSUSE-SU-2015:1382 vendor-advisory
- USN-2684-1 vendor-advisory
- USN-2681-1 vendor-advisory
- USN-2683-1 vendor-advisory
- 75142 vdb-entry
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009
- 1032798 vdb-entry
- FEDORA-2015-10677 vendor-advisory