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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.14, < 5.4.231 |
References
- https://git.kernel.org/stable/c/5e9398a26a92fc402d82ce1f97cc67d832527da0Patch
- https://git.kernel.org/stable/c/7f9828fb1f688210e681268490576f0ca65c322aPatch
- https://git.kernel.org/stable/c/8f0eb24f1a7a60ce635f0d757a46f1a37a4d467dPatch
- https://git.kernel.org/stable/c/ca3cf947760de050d558293002ad3e7f4b8745d2Patch
- https://git.kernel.org/stable/c/f9753ebd61be2d957b5504cbd3fd719674f05b7aPatch
FAQ
What is CVE-2023-52996?
CVE-2023-52996 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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) ret...
How severe is CVE-2023-52996?
CVE-2023-52996 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-52996?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.