UBUNTU-CVE-2023-38428
An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/smb2pdu.c in ksmbd does not properly check the UserName value because it does not consider the address of security buffer, leading to an out-of-bounds read.
02 / AFFECTED SOFTWARE
Affected packages
19 explicit affected versions
27 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
36 explicit affected versions
22 explicit affected versions
33 explicit affected versions
22 explicit affected versions
29 explicit affected versions
7 explicit affected versions
30 explicit affected versions
35 explicit affected versions
7 explicit affected versions
18 explicit affected versions
16 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
3 explicit affected versions
7 explicit affected versions
12 explicit affected versions
20 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
2 explicit affected versions
37 explicit affected versions
10 explicit affected versions
26 explicit affected versions
13 explicit affected versions
2 explicit affected versions
29 explicit affected versions
13 explicit affected versions
33 explicit affected versions
32 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
5 explicit affected versions
22 explicit affected versions
14 explicit affected versions
30 explicit affected versions
10 explicit affected versions
26 explicit affected versions
16 explicit affected versions
33 explicit affected versions
23 explicit affected versions
3 explicit affected versions
12 explicit affected versions
22 explicit affected versions
10 explicit affected versions
7 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
3 explicit affected versions
13 explicit affected versions
7 explicit affected versions
25 explicit affected versions
10 explicit affected versions
6 explicit affected versions
12 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
19 explicit affected versions
37 explicit affected versions
38 explicit affected versions
23 explicit affected versions
9 explicit affected versions
23 explicit affected versions
11 explicit affected versions
30 explicit affected versions
2 explicit affected versions
4 explicit affected versions
4 explicit affected versions
1 explicit affected versions
28 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
6 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/smb2pdu.c in ksmbd does not properly check the UserName value because it does not consider the address of security buffer, leading to an out-of-bounds read.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- https://git.kernel.org/linus/f0a96d1aafd8964e1f9955c830a3e5cb3c60a90f
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=f0a96d1aafd8964e1f9955c830a3e5cb3c60a90f
- https://ubuntu.com/security/CVE-2023-38428
- https://ubuntu.com/security/notices/USN-6338-1
- https://ubuntu.com/security/notices/USN-6338-2
- https://ubuntu.com/security/notices/USN-6339-1
- https://ubuntu.com/security/notices/USN-6339-2
- https://ubuntu.com/security/notices/USN-6339-3
- https://ubuntu.com/security/notices/USN-6339-4
- https://ubuntu.com/security/notices/USN-6344-1
- https://ubuntu.com/security/notices/USN-6350-1
- https://ubuntu.com/security/notices/USN-6351-1
- https://www.cve.org/CVERecord?id=CVE-2023-38428