SB2024011642 - Multiple vulnerabilities in Linux kernel SMB client
Published: January 16, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2023-6610)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a boundary condition within the smb2_dump_detail() function in fs/smb/client/smb2ops.c. A local user can trigger an out-of-bounds read error and gain access to sensitive information or crash the kernel.
2) Out-of-bounds read (CVE-ID: CVE-2023-6606)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a boundary condition within the smbCalcSize() function in fs/smb/client/netmisc.c file. A local user can trigger an out-of-bounds read error and gain access to sensitive information or crash the kernel.
Remediation
Install update from vendor's website.
References
- https://access.redhat.com/security/cve/CVE-2023-6610
- https://bugzilla.kernel.org/show_bug.cgi?id=218219
- https://bugzilla.redhat.com/show_bug.cgi?id=2253614
- https://access.redhat.com/security/cve/CVE-2023-6606
- https://bugzilla.kernel.org/show_bug.cgi?id=218218
- https://bugzilla.redhat.com/show_bug.cgi?id=2253611
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html