CVE-2023-32257: Linux Kernel ksmbd Session Race Condition Remote Code Execution Vulnerability
First published: Thu May 04 2023(Updated: )
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP and SMB2_LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=6.3.9 | |
| Linux kernel | ||
| redhat/kernel | <6.4 | 6.4 |
| Linux Linux kernel | >=5.15<5.15.145 | |
| Linux Linux kernel | >=5.16<6.1.29 | |
| Linux Linux kernel | >=6.2<6.2.16 | |
| Linux Linux kernel | >=6.3<6.3.2 | |
| Netapp Solidfire \& Hci Storage Node | ||
| Netapp H300s | ||
| Netapp H410s | ||
| Netapp H500s | ||
| Netapp H700s | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-20596/
- https://bugzilla.redhat.com/show_bug.cgi?id=2219806
- https://access.redhat.com/security/cve/CVE-2023-32257
- https://www.cve.org/CVERecord?id=CVE-2023-32257 https://nvd.nist.gov/vuln/detail/CVE-2023-32257 https://www.zerodayinitiative.com/advisories/ZDI-CAN-20596/
- https://security.netapp.com/advisory/ntap-20230915-0011/
- https://launchpad.net/bugs/cve/CVE-2023-32257
- https://github.com/torvalds/linux/commit/f5c779b7ddbda30866cf2a27c63e34158f858c73
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32257
- https://nvd.nist.gov/vuln/detail/CVE-2023-32257
- https://security-tracker.debian.org/tracker/CVE-2023-32257
- https://ubuntu.com/security/CVE-2023-32257
- https://git.kernel.org/linus/f5c779b7ddbda30866cf2a27c63e34158f858c73
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