Out-of-bounds Read in Linux Linux_kernel
CVE-2023-4458
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…
Vulnerability class: Buffer Overflow
EPSS: 0.008 (53.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- patrick@puiterwijk.org (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- patrick@puiterwijk.org (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)
- patrick@puiterwijk.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4458?
- CVE-2023-4458 is a medium-severity vulnerability in Linux Linux_kernel, classified under Out-of-bounds Read. CVSS score: 4.0/10. Published 2024-11-14.
- How severe is CVE-2023-4458?
- Medium severity. CVSS v3 base score is 4.0 out of 10.