CVE-2023-52441: ksmbd: fix out of bounds in init_smb2_rsp_hdr()
First published: Wed Feb 21 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=5.15.0<5.15.145 | |
| Linux Linux kernel | >=5.16.0<6.1.53 | |
| Linux Linux kernel | >=6.2.0<6.4.16 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.6-1 6.12.9-1 |
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Reference Links
- 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
- http://www.openwall.com/lists/oss-security/2024/03/18/2
- https://launchpad.net/bugs/cve/CVE-2023-52441
- https://git.kernel.org/linus/536bb492d39bb6c080c92f31e8a55fe9934f452b
- https://security-tracker.debian.org/tracker/CVE-2023-52441
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52441
- https://nvd.nist.gov/vuln/detail/CVE-2023-52441
- https://ubuntu.com/security/CVE-2023-52441
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