UBUNTU-CVE-2022-1158
A flaw was found in KVM. When updating a guest's page table entry, vm_pgoff was improperly used as the offset to get the page's pfn. As vaddr and vm_pgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel, resulting in a denial of service condition.
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
4 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
10 explicit affected versions
20 explicit affected versions
7 explicit affected versions
1 explicit affected versions
5 explicit affected versions
7 explicit affected versions
46 explicit affected versions
17 explicit affected versions
10 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
21 explicit affected versions
13 explicit affected versions
5 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
1 explicit affected versions
5 explicit affected versions
12 explicit affected versions
50 explicit affected versions
11 explicit affected versions
58 explicit affected versions
12 explicit affected versions
49 explicit affected versions
10 explicit affected versions
33 explicit affected versions
1 explicit affected versions
1 explicit affected versions
26 explicit affected versions
10 explicit affected versions
29 explicit affected versions
13 explicit affected versions
7 explicit affected versions
7 explicit affected versions
51 explicit affected versions
33 explicit affected versions
10 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
49 explicit affected versions
6 explicit affected versions
46 explicit affected versions
1 explicit affected versions
16 explicit affected versions
9 explicit affected versions
1 explicit affected versions
17 explicit affected versions
28 explicit affected versions
9 explicit affected versions
1 explicit affected versions
1 explicit affected versions
5 explicit affected versions
40 explicit affected versions
1 explicit affected versions
38 explicit affected versions
13 explicit affected versions
6 explicit affected versions
1 explicit affected versions
10 explicit affected versions
9 explicit affected versions
36 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
33 explicit affected versions
38 explicit affected versions
1 explicit affected versions
9 explicit affected versions
7 explicit affected versions
39 explicit affected versions
17 explicit affected versions
4 explicit affected versions
4 explicit affected versions
39 explicit affected versions
43 explicit affected versions
6 explicit affected versions
40 explicit affected versions
4 explicit affected versions
28 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A flaw was found in KVM. When updating a guest's page table entry, vm_pgoff was improperly used as the offset to get the page's pfn. As vaddr and vm_pgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel, resulting in a denial of service condition.
05 / REFERENCES
Further evidence
- https://seclists.org/oss-sec/2022/q2/22
- https://ubuntu.com/security/CVE-2022-1158
- https://ubuntu.com/security/notices/USN-5416-1
- https://ubuntu.com/security/notices/USN-5467-1
- https://ubuntu.com/security/notices/USN-5468-1
- https://ubuntu.com/security/notices/USN-5469-1
- https://www.cve.org/CVERecord?id=CVE-2022-1158