CVE-2023-4458

linux: A flaw was found within the parsing of extended attributes in the kernel ksmbd module

CVE-2023-4458 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-4458, released November 14, 2024. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0085
58th percentile

A flaw was found within the parsing of extended attributes in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.

Where it's fixed

ProductFixed inFixReleased
Linux
linux · Debian 12.15 (bookworm) 6.1.52-1 DEBIAN-CVE-2023-4458 Nov 14, 2024
linux · Debian 13.5 (trixie) 6.5.3-1 DEBIAN-CVE-2023-4458 Nov 14, 2024
linux · Debian 14 6.5.3-1 DEBIAN-CVE-2023-4458 Nov 14, 2024

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