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CVE-2026-97448

Linux: ACPICA: Add validation for node in acpi_ns_build_normalized_path()

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)0.14%Chance of exploitation activity in the next 30 days, higher than 2% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in087eed8b347e14864f8806fa1f5976c7dc2c6792Also 90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70, 26dd27000e9540fcb594f15010b0696b03b0d240 and 2 moreCVE List
Published24 Sep 2026Updated 3 Oct 2026CVE List

What fixes it

  • 087eed8b347e14864f8806fa1f5976c7dc2c6792LinuxCVE List
  • 90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70LinuxCVE List
  • 26dd27000e9540fcb594f15010b0696b03b0d240LinuxCVE List
  • 21a73528579fcbd673b668bd27a05b658123bc1bLinuxCVE List
  • 96b2b616870e46e2bc04efec03879683a0036e66LinuxCVE 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: Add validation for node in acpi_ns_build_normalized_path()

Add validation for node in acpi_ns_build_normalized_path() to prevent use-after-free vulnerabilities.

Text from CVE List

Affected versions 16

  • Linuxaffected: d1e7ffe50ba588ddf7de520990815c37f31776d8 before 087eed8b347e14864f8806fa1f5976c7dc2c6792CVE List
  • Linuxaffected: d1e7ffe50ba588ddf7de520990815c37f31776d8 before b06bb9b82c8f9a522dde213b1e0ddd535f22e3a2CVE List
  • Linuxaffected: d1e7ffe50ba588ddf7de520990815c37f31776d8 before 90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70CVE List
  • Linuxaffected: d1e7ffe50ba588ddf7de520990815c37f31776d8 before 26dd27000e9540fcb594f15010b0696b03b0d240CVE List
  • Linuxaffected: d1e7ffe50ba588ddf7de520990815c37f31776d8 before babb146ceb79e71f328788f1e2c8c7c224026e61CVE List
  • Linuxaffected: d1e7ffe50ba588ddf7de520990815c37f31776d8 before 21a73528579fcbd673b668bd27a05b658123bc1bCVE List
  • Linuxaffected: d1e7ffe50ba588ddf7de520990815c37f31776d8 before 96b2b616870e46e2bc04efec03879683a0036e66CVE List
  • Linuxaffected: 4.3CVE List
  • Linuxunaffected: all versions before 4.3CVE 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