Out-of-bounds read in Linux kernel - CVE-2023-6606

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Main Vulnerability Database Vulnerabilities #VU85442

Out-of-bounds read in Linux kernel - CVE-2023-6606

Published: January 16, 2024


Vulnerability identifier: #VU85442
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-6606
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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.


How to mitigate CVE-2023-6606

Install update from vendor's website.

Sources