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CVE-2026-97456

Linux: ACPICA: Fix condition check in acpi_ps_parse_loop()

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 6% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4c22c9842c53b824743bdf1d8d19e1cdb908f82eAlso 5d16f40b019e59df81deb594ed4eafefc8e43cc0, 8de27e2d83c0d07ae9443c6304575b0609394bfd and 1 moreCVE List
Published24 Sep 2026Updated 3 Oct 2026CVE List

What fixes it

  • 4c22c9842c53b824743bdf1d8d19e1cdb908f82eLinuxCVE List
  • 5d16f40b019e59df81deb594ed4eafefc8e43cc0LinuxCVE List
  • 8de27e2d83c0d07ae9443c6304575b0609394bfdLinuxCVE List
  • 4.18LinuxCVE 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: Fix condition check in acpi_ps_parse_loop()

Fix condition check for AML_ELSE_OP in acpi_ps_parse_loop() to prevent out-of-bounds access.

Text from CVE List

Affected versions 18

  • Linuxaffected: 5088814a6e931350e5bd29f5d59fa40c6dbbdf10 before c838d32fbe02a6d426aebf95d2aef97de92ddc43CVE List
  • Linuxaffected: 5088814a6e931350e5bd29f5d59fa40c6dbbdf10 before b79f5cb2131956a7d2c99870336d9fcc6db80c4bCVE List
  • Linuxaffected: 5088814a6e931350e5bd29f5d59fa40c6dbbdf10 before de2bbc8dbe7048f20f0a783a81e712fd3664de5bCVE List
  • Linuxaffected: 5088814a6e931350e5bd29f5d59fa40c6dbbdf10 before 4c22c9842c53b824743bdf1d8d19e1cdb908f82eCVE List
  • Linuxaffected: 5088814a6e931350e5bd29f5d59fa40c6dbbdf10 before a477c6ef5335d2d0613ff7c1779a8209f16627c5CVE List
  • Linuxaffected: 5088814a6e931350e5bd29f5d59fa40c6dbbdf10 before 5d16f40b019e59df81deb594ed4eafefc8e43cc0CVE List
  • Linuxaffected: 5088814a6e931350e5bd29f5d59fa40c6dbbdf10 before 8de27e2d83c0d07ae9443c6304575b0609394bfdCVE List
  • Linuxaffected: 2e78935d1e27d31955ad2dad4abe6c453cf669fdCVE List
  • Linuxaffected: 4.17.3 before 4.18CVE List
  • Linuxaffected: 4.18CVE List
  • Linuxunaffected: all versions before 4.18CVE 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