CVE-2022-47940
First published: Fri Dec 23 2022(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=5.15<5.18.8 | |
| Linux Linux kernel | >=5.15<5.15.145 | |
| Linux Linux kernel | >=5.16<5.18.18 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2022/12/23/10
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=158a66b245739e15858de42c0ba60fcf3de9b8e6
- https://github.com/torvalds/linux/commit/158a66b245739e15858de42c0ba60fcf3de9b8e6
- https://launchpad.net/bugs/cve/CVE-2022-47940
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-47940
- https://nvd.nist.gov/vuln/detail/CVE-2022-47940
- https://security-tracker.debian.org/tracker/CVE-2022-47940
- https://ubuntu.com/security/CVE-2022-47940
- https://git.kernel.org/linus/158a66b245739e15858de42c0ba60fcf3de9b8e6
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