CVE-2023-52996 - CVE House
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Status published Unknown CVE-2023-52996

ipv4: prevent potential spectre v1 gadget in fib_metrics_match()

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: prevent potential spectre v1 gadget in fib_metrics_match() if (!type) continue; if (type > RTAX_MAX) return false; ... fi_val = fi->fib_metrics->metrics[type - 1]; @type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8, 4.14, 0, 5.4.231, 5.10.166, 5.15.91, 6.1.9, 6.2

Timeline

Official Publish: March 27th, 2025
Last Modified: May 11th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.