UBUNTU-CVE-2023-5345
A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation. In case of an error in smb3_fs_context_parse_param, ctx->password was freed but the field was not set to NULL which could lead to double free. We recommend upgrading past commit e6e43b8aa7cd3c3af686caf0c2e11819a886d705.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
4 explicit affected versions
6 explicit affected versions
40 explicit affected versions
7 explicit affected versions
35 explicit affected versions
18 explicit affected versions
23 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
21 explicit affected versions
9 explicit affected versions
16 explicit affected versions
8 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
37 explicit affected versions
7 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
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
10 explicit affected versions
10 explicit affected versions
26 explicit affected versions
1 explicit affected versions
1 explicit affected versions
10 explicit affected versions
16 explicit affected versions
3 explicit affected versions
51 explicit affected versions
12 explicit affected versions
18 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
8 explicit affected versions
13 explicit affected versions
7 explicit affected versions
32 explicit affected versions
10 explicit affected versions
12 explicit affected versions
44 explicit affected versions
16 explicit affected versions
2 explicit affected versions
13 explicit affected versions
26 explicit affected versions
37 explicit affected versions
1 explicit affected versions
38 explicit affected versions
9 explicit affected versions
11 explicit affected versions
8 explicit affected versions
4 explicit affected versions
4 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
11 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation. In case of an error in smb3_fs_context_parse_param, ctx->password was freed but the field was not set to NULL which could lead to double free. We recommend upgrading past commit e6e43b8aa7cd3c3af686caf0c2e11819a886d705.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/e6e43b8aa7cd3c3af686caf0c2e11819a886d705
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e6e43b8aa7cd3c3af686caf0c2e11819a886d705
- https://kernel.dance/#e6e43b8aa7cd3c3af686caf0c2e11819a886d705
- https://kernel.dance/e6e43b8aa7cd3c3af686caf0c2e11819a886d705
- https://ubuntu.com/security/CVE-2023-5345
- https://ubuntu.com/security/notices/USN-6461-1
- https://ubuntu.com/security/notices/USN-6502-1
- https://ubuntu.com/security/notices/USN-6502-2
- https://ubuntu.com/security/notices/USN-6502-3
- https://ubuntu.com/security/notices/USN-6502-4
- https://ubuntu.com/security/notices/USN-6503-1
- https://ubuntu.com/security/notices/USN-6520-1
- https://ubuntu.com/security/notices/USN-6537-1
- https://ubuntu.com/security/notices/USN-6572-1
- https://ubuntu.com/security/notices/USN-6607-1
- https://www.cve.org/CVERecord?id=CVE-2023-5345