Skip to content
Fencer Vulns
medium 5.3

CVE-2024-24856 json

NULL pointer deference in acpi_db_convert_to_package of Linux acpi module

published 2024-04-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-22219

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

The memory allocation function ACPI_ALLOCATE_ZEROED does not guarantee a successful allocation, but the subsequent code directly dereferences the pointer that receives it, which may lead to null pointer dereference.

To fix this issue, a null pointer check should be added. If it is null, return exception code AE_NO_MEMORY.

Patch / fix

  • OpenAnolis Anolis OS v6.9
  • openanolis anolis_os v6.9
  • acpica-unix Debian 14, Debian 13 20240827-2

debian advisories DEBIAN-CVE-2024-24856

  • linux Ubuntu 20.04 LTS 5.4.0-162.179
  • linux Ubuntu 22.04 LTS 5.15.0-83.92
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1109.118
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1044.49
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1112.121
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1041.49
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1041.46
  • linux-ibm Ubuntu 20.04 LTS 5.4.0-1056.61

ubuntu advisories UBUNTU-CVE-2024-24856

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H

Affected products

  • OpenAnolis Anolis OS
  • openanolis anolis_os

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.