UBUNTU-CVE-2022-39189
An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.
02 / AFFECTED SOFTWARE
Affected packages
53 explicit affected versions
116 explicit affected versions
5 explicit affected versions
9 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
18 explicit affected versions
3 explicit affected versions
91 explicit affected versions
14 explicit affected versions
5 explicit affected versions
11 explicit affected versions
12 explicit affected versions
35 explicit affected versions
4 explicit affected versions
1 explicit affected versions
120 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
124 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
76 explicit affected versions
7 explicit affected versions
12 explicit affected versions
4 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
104 explicit affected versions
12 explicit affected versions
105 explicit affected versions
12 explicit affected versions
10 explicit affected versions
37 explicit affected versions
1 explicit affected versions
26 explicit affected versions
13 explicit affected versions
29 explicit affected versions
111 explicit affected versions
13 explicit affected versions
15 explicit affected versions
100 explicit affected versions
14 explicit affected versions
33 explicit affected versions
17 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
5 explicit affected versions
3 explicit affected versions
12 explicit affected versions
26 explicit affected versions
78 explicit affected versions
15 explicit affected versions
6 explicit affected versions
132 explicit affected versions
1 explicit affected versions
51 explicit affected versions
12 explicit affected versions
6 explicit affected versions
121 explicit affected versions
1 explicit affected versions
5 explicit affected versions
1 explicit affected versions
110 explicit affected versions
13 explicit affected versions
72 explicit affected versions
7 explicit affected versions
10 explicit affected versions
12 explicit affected versions
108 explicit affected versions
80 explicit affected versions
56 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
26 explicit affected versions
1 explicit affected versions
37 explicit affected versions
38 explicit affected versions
5 explicit affected versions
9 explicit affected versions
5 explicit affected versions
13 explicit affected versions
4 explicit affected versions
10 explicit affected versions
43 explicit affected versions
77 explicit affected versions
119 explicit affected versions
88 explicit affected versions
4 explicit affected versions
78 explicit affected versions
1 explicit affected versions
123 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.
05 / REFERENCES
Further evidence
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2309
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736
- https://git.kernel.org/linus/6cd88243c7e03845a450795e134b488fc2afb736
- https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736
- https://ubuntu.com/security/CVE-2022-39189
- https://ubuntu.com/security/notices/USN-5667-1
- https://ubuntu.com/security/notices/USN-5683-1
- https://ubuntu.com/security/notices/USN-5703-1
- https://www.cve.org/CVERecord?id=CVE-2022-39189