UBUNTU-CVE-2022-47940
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
1 explicit affected versions
7 explicit affected versions
26 explicit affected versions
37 explicit affected versions
10 explicit affected versions
13 explicit affected versions
18 explicit affected versions
37 explicit affected versions
4 explicit affected versions
23 explicit affected versions
7 explicit affected versions
7 explicit affected versions
5 explicit affected versions
33 explicit affected versions
16 explicit affected versions
12 explicit affected versions
38 explicit affected versions
13 explicit affected versions
19 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
16 explicit affected versions
21 explicit affected versions
6 explicit affected versions
6 explicit affected versions
13 explicit affected versions
21 explicit affected versions
20 explicit affected versions
12 explicit affected versions
26 explicit affected versions
1 explicit affected versions
10 explicit affected versions
23 explicit affected versions
9 explicit affected versions
13 explicit affected versions
5 explicit affected versions
10 explicit affected versions
15 explicit affected versions
9 explicit affected versions
12 explicit affected versions
44 explicit affected versions
4 explicit affected versions
4 explicit affected versions
9 explicit affected versions
12 explicit affected versions
13 explicit affected versions
7 explicit affected versions
11 explicit affected versions
11 explicit affected versions
16 explicit affected versions
43 explicit affected versions
24 explicit affected versions
18 explicit affected versions
11 explicit affected versions
4 explicit affected versions
10 explicit affected versions
12 explicit affected versions
21 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write.
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2022-47940
- https://ubuntu.com/security/notices/USN-5851-1
- https://ubuntu.com/security/notices/USN-5860-1
- https://ubuntu.com/security/notices/USN-5876-1
- https://ubuntu.com/security/notices/USN-5877-1
- https://www.cve.org/CVERecord?id=CVE-2022-47940
- https://www.openwall.com/lists/oss-security/2022/12/23/10
- https://www.zerodayinitiative.com/advisories/ZDI-22-1691/