CVE-2014-7155
02.10.2014, 14:55
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.Enginsight
| Vendor | Product | Version |
|---|---|---|
| xen | xen | 𝑥 ≤ 4.4.0 |
| xen | xen | 3.0.2 |
| xen | xen | 3.0.3 |
| xen | xen | 3.0.4 |
| xen | xen | 3.1.3 |
| xen | xen | 3.1.4 |
| xen | xen | 3.2.0 |
| xen | xen | 3.2.1 |
| xen | xen | 3.2.2 |
| xen | xen | 3.2.3 |
| xen | xen | 3.3.0 |
| xen | xen | 3.3.1 |
| xen | xen | 3.3.2 |
| xen | xen | 3.4.0 |
| xen | xen | 3.4.1 |
| xen | xen | 3.4.2 |
| xen | xen | 3.4.3 |
| xen | xen | 3.4.4 |
| xen | xen | 4.0.0 |
| xen | xen | 4.0.1 |
| xen | xen | 4.0.2 |
| xen | xen | 4.0.3 |
| xen | xen | 4.0.4 |
| xen | xen | 4.1.0 |
| xen | xen | 4.1.1 |
| xen | xen | 4.1.2 |
| xen | xen | 4.1.3 |
| xen | xen | 4.1.4 |
| xen | xen | 4.1.5 |
| xen | xen | 4.1.6.1 |
| xen | xen | 4.2.0 |
| xen | xen | 4.2.1 |
| xen | xen | 4.2.2 |
| xen | xen | 4.2.3 |
| xen | xen | 4.3.0 |
| xen | xen | 4.3.1 |
| xen | xen | 4.4.0 |
| xen | xen | 4.4.0:rc1 |
| debian | debian_linux | 7.0 |
| opensuse | opensuse | 12.3 |
| opensuse | opensuse | 13.1 |
𝑥
= Vulnerable software versions
Debian Releases
Ubuntu Releases
Common Weakness Enumeration
References