UBUNTU-CVE-2023-52441
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds in init_smb2_rsp_hdr() If client send smb2 negotiate request and then send smb1 negotiate request, init_smb2_rsp_hdr is called for smb1 negotiate request since need_neg is set to false. This patch ignore smb1 packets after ->need_neg is set to false.
02 / AFFECTED SOFTWARE
Affected packages
27 explicit affected versions
39 explicit affected versions
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6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
48 explicit affected versions
34 explicit affected versions
45 explicit affected versions
34 explicit affected versions
41 explicit affected versions
7 explicit affected versions
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35 explicit affected versions
1 explicit affected versions
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3 explicit affected versions
28 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
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16 explicit affected versions
10 explicit affected versions
7 explicit affected versions
12 explicit affected versions
32 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
8 explicit affected versions
37 explicit affected versions
10 explicit affected versions
21 explicit affected versions
26 explicit affected versions
13 explicit affected versions
4 explicit affected versions
29 explicit affected versions
13 explicit affected versions
45 explicit affected versions
43 explicit affected versions
5 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
12 explicit affected versions
34 explicit affected versions
26 explicit affected versions
42 explicit affected versions
10 explicit affected versions
26 explicit affected versions
1 explicit affected versions
13 explicit affected versions
16 explicit affected versions
45 explicit affected versions
35 explicit affected versions
3 explicit affected versions
2 explicit affected versions
51 explicit affected versions
12 explicit affected versions
32 explicit affected versions
27 explicit affected versions
18 explicit affected versions
8 explicit affected versions
6 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
13 explicit affected versions
7 explicit affected versions
37 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
31 explicit affected versions
37 explicit affected versions
38 explicit affected versions
35 explicit affected versions
9 explicit affected versions
34 explicit affected versions
11 explicit affected versions
42 explicit affected versions
7 explicit affected versions
16 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
40 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds in init_smb2_rsp_hdr() If client send smb2 negotiate request and then send smb1 negotiate request, init_smb2_rsp_hdr is called for smb1 negotiate request since need_neg is set to false. This patch ignore smb1 packets after ->need_neg is set to false.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/536bb492d39bb6c080c92f31e8a55fe9934f452b
- https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc
- https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b
- https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b
- https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f
- https://ubuntu.com/security/CVE-2023-52441
- https://ubuntu.com/security/notices/USN-6725-1
- https://ubuntu.com/security/notices/USN-6725-2
- https://www.cve.org/CVERecord?id=CVE-2023-52441