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CVE-2026-97445

Linux: ACPICA: Enhance buffer validation in acpi_ut_walk_aml_resources()

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
7.7High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.16%Chance of exploitation activity in the next 30 days, higher than 4% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in816badec122fe01d05265f2d306212739f5d3fdbAlso 37c794f87a72471f7ef71633ac0550ad14ac0885, 50a11e2f3dc8a7189e7ebbd3eeafa51f16128a56CVE List
Published24 Sep 2026Updated 3 Oct 2026CVE List

What fixes it

  • 816badec122fe01d05265f2d306212739f5d3fdbLinuxCVE List
  • 37c794f87a72471f7ef71633ac0550ad14ac0885LinuxCVE List
  • 50a11e2f3dc8a7189e7ebbd3eeafa51f16128a56LinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

In the Linux kernel, the following vulnerability has been resolved:

ACPICA: Enhance buffer validation in acpi_ut_walk_aml_resources()

Enhance buffer validation in acpi_ut_walk_aml_resources() to prevent buffer overflows.

Text from CVE List

Affected versions 16

  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 816badec122fe01d05265f2d306212739f5d3fdbCVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before cd60a407a3a6d75347a04f9271b7b561d06d21c8CVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 37c794f87a72471f7ef71633ac0550ad14ac0885CVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 50a11e2f3dc8a7189e7ebbd3eeafa51f16128a56CVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before f65e2ef7ccca11dc874f48aff996a6a26528f8e7CVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before d0fb1973f705c8b8bd7e118e4a9a65d05d800fbaCVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before b2e21fe8c3361c3d0d57ee56d359bea9b51fda3dCVE List
  • Linuxaffected: 2.6.12CVE List
  • Linuxunaffected: all versions before 2.6.12CVE List
  • Linuxunaffected: 5.10.271 through 5.10.*CVE List
  • Linuxunaffected: 5.15.222 through 5.15.*CVE List
  • Linuxunaffected: 6.1.189 through 6.1.*CVE List
  • Linuxunaffected: 6.6.158 through 6.6.*CVE List
  • Linuxunaffected: 6.12.111 through 6.12.*CVE List
  • Linuxunaffected: 6.18.53 through 6.18.*CVE List
  • Linuxunaffected: 7.2CVE List

References 7