CVE-2024-49973: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: r8169: add tally counter fields added with RTL8125 RTL8125 added fields to the tally counter, what may result in the chip dma'ing these new fields to unallocated memory. Therefore make sure that the allocated memory area is big enough to hold all of the tally counter values, even if we use only parts of it.

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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	5.4 — 5.10.227
linux	linux_kernel	5.11 — 5.15.168
linux	linux_kernel	5.16 — 6.1.113
linux	linux_kernel	6.2 — 6.6.55
linux	linux_kernel	6.7 — 6.10.14
linux	linux_kernel	6.11 — 6.11.3

References

Advisories & Patches

https://git.kernel.org/stable/c/1c723d785adb711496bc64c24240f952f4faaabf https://git.kernel.org/stable/c/21950321ad33d7613b1453f4c503d7b1871deb61 https://git.kernel.org/stable/c/585c048d15ed559f20cb94c8fa2f30077efa4fbc https://git.kernel.org/stable/c/92bc8647b4d65f4d4bf8afdb206321c1bc55a486 https://git.kernel.org/stable/c/991e8b0bab669b7d06927c3e442b3352532e8581 https://git.kernel.org/stable/c/ced8e8b8f40accfcce4a2bbd8b150aa76d5eff9a https://git.kernel.org/stable/c/fe44b3bfbf0c74df5712f44458689d0eccccf47d

Other References

https://git.kernel.org/stable/c/64648ae8c97ec5a3165021627f5a1658ebe081ca https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html https://cert-portal.siemens.com/productcert/html/ssa-265688.html https://cert-portal.siemens.com/productcert/html/ssa-355557.html

Frequently Asked Questions

What is CVE-2024-49973? +

In the Linux kernel, the following vulnerability has been resolved: r8169: add tally counter fields added with RTL8125 RTL8125 added fields to the tally counter, what may result in the chip dma'ing these new fields to unallocated memory. Therefore make sure that the allocated memory area is big enough to hold all of the tally counter values, even if we use only parts of it. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-49973? +

CVE-2024-49973 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-2024-49973? +

CVE-2024-49973 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-2024-49973? +

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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CVE-2024-49973