SB2024091875 - NULL pointer dereference in Linux kernel ksmbd
Published: September 18, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091875
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-46795)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the smb2_sess_setup() function in fs/ksmbd/smb2pdu.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9914f1bd61d5e838bb1ab15a71076d37a6db65d1
- https://git.kernel.org/stable/c/93d54a4b59c4b3d803d20aa645ab5ca71f3b3b02
- https://git.kernel.org/stable/c/41bc256da7e47b679df87c7fc7a5b393052b9cce
- https://git.kernel.org/stable/c/4c8496f44f5bb5c06cdef5eb130ab259643392a1
- https://git.kernel.org/stable/c/78c5a6f1f630172b19af4912e755e1da93ef0ab5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51