CVE-2023-52997: linux kernel — Fix

Description

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

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.3 — 4.19.272
linux	linux_kernel	4.20 — 5.4.231
linux	linux_kernel	5.5 — 5.10.166
linux	linux_kernel	5.11 — 5.15.91
linux	linux_kernel	5.16 — 6.1.9
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8 https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415 https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6 https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149 https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a

Frequently Asked Questions

What is CVE-2023-52997? +

In the Linux kernel, the following vulnerability has been resolved: ipv4: prevent potential spectre v1 gadget in ip_metrics_convert() if (!type) continue; if (type > RTAX_MAX) return -EINVAL; ... metrics[type - 1] = val; @type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-52997? +

CVE-2023-52997 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-52997? +

CVE-2023-52997 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-52997? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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