UBUNTU-CVE-2017-2583
The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.
02 / AFFECTED SOFTWARE
Affected packages
136 explicit affected versions
21 explicit affected versions
41 explicit affected versions
1 explicit affected versions
17 explicit affected versions
20 explicit affected versions
16 explicit affected versions
26 explicit affected versions
51 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.
05 / REFERENCES
Further evidence
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3
- https://ubuntu.com/security/CVE-2017-2583
- https://ubuntu.com/security/notices/USN-3208-1
- https://ubuntu.com/security/notices/USN-3208-2
- https://ubuntu.com/security/notices/USN-3361-1
- https://ubuntu.com/security/notices/USN-3754-1
- https://www.cve.org/CVERecord?id=CVE-2017-2583