What’s Vulnerable › Vulnerabilities

CVE-2024-49962: ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-06-17
• Weakness: CWE-476

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 ]

Affected products

• Linux kernel: before 5.10.227; from 5.11 before 5.15.168; from 5.16 before 6.1.113; from 6.2 before 6.6.55; from 6.7 before 6.10.14; from 6.11 before 6.11.3 — fixed in 5.10.227, 5.15.168, 6.1.113, 6.10.14, 6.11.3, 6.6.55

How to fix

Upgrade to a fixed version: Linux kernel 5.10.227, 5.15.168, 6.1.113, 6.10.14. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1c9b8775062f8d854a80caf186af57fc617d454c
• https://git.kernel.org/stable/c/402b4c6b7500c7cca6972d2456a4a422801035b5
• https://git.kernel.org/stable/c/4588ea78d3904bebb613b0bb025669e75800f546
• https://git.kernel.org/stable/c/4669da66ebc5b09881487f30669b0fcdb462188e
• https://git.kernel.org/stable/c/a5242874488eba2b9062985bf13743c029821330
• https://git.kernel.org/stable/c/a907c113a8b66972f15f084d7dff960207b1f71d
• https://git.kernel.org/stable/c/ae5d4c7e76ba393d20366dfea1f39f24560ffb1d
• https://git.kernel.org/stable/c/cbb67e245dacd02b5e1d82733892647df1523982
• https://git.kernel.org/stable/c/f282db38953ad71dd4f3f8877a4e1d37e580e30a
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

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