UBUNTU-CVE-2022-0171
A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).
02 / AFFECTED SOFTWARE
Affected packages
10 explicit affected versions
29 explicit affected versions
19 explicit affected versions
16 explicit affected versions
9 explicit affected versions
1 explicit affected versions
7 explicit affected versions
26 explicit affected versions
13 explicit affected versions
15 explicit affected versions
4 explicit affected versions
9 explicit affected versions
4 explicit affected versions
23 explicit affected versions
7 explicit affected versions
19 explicit affected versions
33 explicit affected versions
9 explicit affected versions
13 explicit affected versions
16 explicit affected versions
12 explicit affected versions
38 explicit affected versions
13 explicit affected versions
16 explicit affected versions
10 explicit affected versions
13 explicit affected versions
1 explicit affected versions
10 explicit affected versions
1 explicit affected versions
21 explicit affected versions
6 explicit affected versions
13 explicit affected versions
18 explicit affected versions
12 explicit affected versions
8 explicit affected versions
3 explicit affected versions
26 explicit affected versions
22 explicit affected versions
23 explicit affected versions
5 explicit affected versions
12 explicit affected versions
44 explicit affected versions
9 explicit affected versions
4 explicit affected versions
4 explicit affected versions
17 explicit affected versions
9 explicit affected versions
9 explicit affected versions
12 explicit affected versions
5 explicit affected versions
13 explicit affected versions
11 explicit affected versions
8 explicit affected versions
7 explicit affected versions
3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
14 explicit affected versions
35 explicit affected versions
12 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
7 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
19 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b
- https://ubuntu.com/security/CVE-2022-0171
- https://ubuntu.com/security/notices/USN-5792-1
- https://ubuntu.com/security/notices/USN-5792-2
- https://ubuntu.com/security/notices/USN-5877-1
- https://www.cve.org/CVERecord?id=CVE-2022-0171