CVE-2026-97456 json
ACPICA: Fix condition check in acpi_ps_parse_loop()
published 2026-09-24 45 d ago modified 2026-10-03 37 d ago also EUVD-2026-86069
- cvss
- —
- not scored
- 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
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.
Patch / fix
- Linux Linux 4.18, 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2
- linux Debian 12 6.1.190-1
- linux Debian 13 6.12.111-1
- linux Debian 14 7.2.6-1
- linux-6.12 Debian 12 6.12.111-1~deb12u1
debian advisories DEBIAN-CVE-2026-97456
- linux Ubuntu 22.04 LTS 5.15.0-202.212
- linux Ubuntu 26.04 LTS 7.0.0-42.42
- linux-aws Ubuntu 22.04 LTS 5.15.0-1119.126
- linux-aws Ubuntu 26.04 LTS 7.0.0-1016.17
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1120.130
- linux-gcp Ubuntu 26.04 LTS 7.0.0-1016.18
- linux-gke Ubuntu 22.04 LTS 5.15.0-1115.121
- linux-ibm Ubuntu 22.04 LTS 5.15.0-1113.117
ubuntu advisories UBUNTU-CVE-2026-97456
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
- kernel-source Linux Micro 6.0 6.4.0-159998.55.1
- kernel-default Linux Micro 6.0 6.4.0-159998.55.1
- kernel-kvmsmall Linux Micro 6.0 6.4.0-159998.55.1
- kernel-default-base Linux Micro 6.0 6.4.0-159998.55.1.159998.21.42
- kernel-64kb SLE Module for Basesystem 15 SP7 6.4.0-150700.53.90.1
- kernel-syms SLE Module for Development Tools 15 SP7 6.4.0-150700.53.90.1
- kernel-azure SLE Module for Public Cloud 15 SP7 6.4.0-150700.53.90.1
- kernel-source SLE Module for Development Tools 15 SP7, SLE Module for Basesystem 15 SP7 6.4.0-150700.53.90.1
suse advisories SUSE-SU-2026:24550-1SUSE-SU-2026:5091-1
- kernel Azure Linux 3.0 6.6.158.1-1
azure linux advisories AZL-103691
Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT
- git.kernel.org/stable/c/c838d32fbe02a6d426aebf95d2aef97de92ddc43 commit
- git.kernel.org/stable/c/b79f5cb2131956a7d2c99870336d9fcc6db80c4b commit
- git.kernel.org/stable/c/de2bbc8dbe7048f20f0a783a81e712fd3664de5b commit
- git.kernel.org/stable/c/4c22c9842c53b824743bdf1d8d19e1cdb908f82e commit
- git.kernel.org/stable/c/a477c6ef5335d2d0613ff7c1779a8209f16627c5 commit
- git.kernel.org/stable/c/5d16f40b019e59df81deb594ed4eafefc8e43cc0 commit
- git.kernel.org/stable/c/8de27e2d83c0d07ae9443c6304575b0609394bfd commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-97456 updated cvss 5.5
kernel: ACPICA: Fix condition check in acpi_ps_parse_loop()
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 moreaffected: workaround, no fix planned “Out of support scope”
-
Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernel Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9 Red Hat OpenShift Container Platform 5 openshift/ose-rhel-coreos-9affected: workaround, no fix available “Fix deferred”
-
Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 morenot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/c838d32fbe02a6d426aebf95d2aef97de92ddc43
- git.kernel.org /stable/c/b79f5cb2131956a7d2c99870336d9fcc6db80c4b
- git.kernel.org /stable/c/de2bbc8dbe7048f20f0a783a81e712fd3664de5b
- git.kernel.org /stable/c/4c22c9842c53b824743bdf1d8d19e1cdb908f82e
- git.kernel.org /stable/c/a477c6ef5335d2d0613ff7c1779a8209f16627c5
- git.kernel.org /stable/c/5d16f40b019e59df81deb594ed4eafefc8e43cc0
- git.kernel.org /stable/c/8de27e2d83c0d07ae9443c6304575b0609394bfd
Sources
- CVE List CVE-2026-97456
- NVD CVE-2026-97456
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.