Description
Array index error in the kvm_vm_ioctl_create_vcpu function in virt/kvm/kvm_main.c in the KVM subsystem in the Linux kernel through 3.12.5 allows local users to gain privileges via a large id value.
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 | 3.12.5-1 | — |
| Debian 13 | linux | 3.12.5-1 | — |
| Debian 12 | linux | 3.12.5-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze5 | DSA-2906-1 |
Advisories 1
- DSA-2906-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- USN-2135-1 vendor-advisory
- openSUSE-SU-2014:0247 vendor-advisory
- USN-2138-1 vendor-advisory
- USN-2113-1 vendor-advisory
- USN-2141-1 vendor-advisory
- [oss-security] 20131212 Re: [vs-plain] kvm issues mailing-list
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.54
- USN-2110-1 vendor-advisory
- USN-2129-1 vendor-advisory
- USN-2136-1 vendor-advisory
- USN-2128-1 vendor-advisory
- USN-2139-1 vendor-advisory
- USN-2117-1 vendor-advisory
- USN-2109-1 vendor-advisory
- openSUSE-SU-2014:0204 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1030986
- openSUSE-SU-2014:0205 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=338c7dbadd2671189cec7faf64c84d01071b3f96
- https://github.com/torvalds/linux/commit/338c7dbadd2671189cec7faf64c84d01071b3f96