UBUNTU-CVE-2022-20567
In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
94 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
160 explicit affected versions
37 explicit affected versions
93 explicit affected versions
26 explicit affected versions
13 explicit affected versions
29 explicit affected versions
13 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
5 explicit affected versions
13 explicit affected versions
10 explicit affected versions
12 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
37 explicit affected versions
38 explicit affected versions
9 explicit affected versions
137 explicit affected versions
70 explicit affected versions
4 explicit affected versions
43 explicit affected versions
117 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/d02ba2a6110c530a32926af8ad441111774d2893
- https://source.android.com/docs/security/bulletin/pixel/2022-12-01
- https://ubuntu.com/security/CVE-2022-20567
- https://ubuntu.com/security/notices/USN-6700-1
- https://ubuntu.com/security/notices/USN-6700-2
- https://www.cve.org/CVERecord?id=CVE-2022-20567