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CVE-2026-97453

Linux: ACPICA: validate byte_count in acpi_ps_get_next_package_length()

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 in6b9904fc65d82bea4922a33038d075488954bcc9Also 802f83e628b8fa6106428ef05d3fb03f99816fd6, 37e60db04eed9d6c5801d63f99cfd3af99b9a2c8 and 3 moreCVE List
Published24 Sep 2026Updated 3 Oct 2026CVE List

What fixes it

  • 6b9904fc65d82bea4922a33038d075488954bcc9LinuxCVE List
  • 802f83e628b8fa6106428ef05d3fb03f99816fd6LinuxCVE List
  • 37e60db04eed9d6c5801d63f99cfd3af99b9a2c8LinuxCVE List
  • 6e0d26e6ec90340533722214b7a923521f91caa2LinuxCVE List
  • 780f380c66b80030379bec65bb1bd09ce6f6d9fcLinuxCVE List
  • 9bc0e8c3df689765ad5161eb3aed15de8544f5ceLinuxCVE 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: validate byte_count in acpi_ps_get_next_package_length()

Validate package length reading in acpi_ps_get_next_package_length().

Text from CVE List

Affected versions 16

  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 6b9904fc65d82bea4922a33038d075488954bcc9CVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 802f83e628b8fa6106428ef05d3fb03f99816fd6CVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 37e60db04eed9d6c5801d63f99cfd3af99b9a2c8CVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 6e0d26e6ec90340533722214b7a923521f91caa2CVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 780f380c66b80030379bec65bb1bd09ce6f6d9fcCVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 9bc0e8c3df689765ad5161eb3aed15de8544f5ceCVE List
  • Linuxaffected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before d49c6ee08365a8596f639da46eb7e71752b0cd42CVE 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