Vulnerability · Published Sep 24, 2026 · Assigned by Linux
CVE-2026-97453ACPICA: validate byte_count in acpi_ps_get_next_package_length()
Unrated
In plain English
A security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 93.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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().
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.190-1 | DEBIAN-CVE-2026-97453 |
| Debian:13 | linux | 6.12.111-1 | DEBIAN-CVE-2026-97453 |
| Debian:14 | linux | 7.2.6-1 | DEBIAN-CVE-2026-97453 |
| Debian:12 | linux-6.12 | 6.12.111-1~deb12u1 | DEBIAN-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux | 5.15.0-202.212 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux | 7.0.0-42.42 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1119.126 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-aws | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-aws | 7.0.0-1016.17 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-aws-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-aws-7.0 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1125.134 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-azure | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-7.0 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1124.133 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-fde | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-azure-fde | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-fde-7.0 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1120.130 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-gcp | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-gcp | 7.0.0-1016.18 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-gcp-7.0 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1115.121 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-gke | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-gke | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1102.110 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-gkeop | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-hwe-7.0 | 7.0.0-42.42~24.04.1 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1113.117 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-ibm | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-ibm | 7.0.0-1017.17 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1114.120 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1111.116 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-197.207 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-lowlatency | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1114.115 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-nvidia-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-nvidia-7.0 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-nvidia-bos | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1070.72 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1059.59 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-oem-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-oem-7.0 | 7.0.0-1017.17 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1116.122 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-oracle | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-oracle | 7.0.0-1015.16 | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-oracle-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-oracle-7.0 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:26.04:LTS | linux-riscv | 7.0.0-42.42.1 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-riscv-6.17 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-riscv-7.0 | 7.0.0-42.42.1~24.04.1 | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-vmware | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:24.04:LTS | linux-xilinx | no fix listed | UBUNTU-CVE-2026-97453 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | no fix listed | UBUNTU-CVE-2026-97453 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 6b9904fc65d82bea4922a33038d075488954bcc91da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 802f83e628b8fa6106428ef05d3fb03f99816fd61da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 37e60db04eed9d6c5801d63f99cfd3af99b9a2c81da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 6e0d26e6ec90340533722214b7a923521f91caa21da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 780f380c66b80030379bec65bb1bd09ce6f6d9fc1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 9bc0e8c3df689765ad5161eb3aed15de8544f5ce1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before d49c6ee08365a8596f639da46eb7e71752b0cd42 |
| Linux | Linux | 2.6.12 |
References
- https://git.kernel.org/stable/c/6b9904fc65d82bea4922a33038d075488954bcc9
- https://git.kernel.org/stable/c/802f83e628b8fa6106428ef05d3fb03f99816fd6
- https://git.kernel.org/stable/c/37e60db04eed9d6c5801d63f99cfd3af99b9a2c8
- https://git.kernel.org/stable/c/6e0d26e6ec90340533722214b7a923521f91caa2
- https://git.kernel.org/stable/c/780f380c66b80030379bec65bb1bd09ce6f6d9fc
- https://git.kernel.org/stable/c/9bc0e8c3df689765ad5161eb3aed15de8544f5ce
- https://git.kernel.org/stable/c/d49c6ee08365a8596f639da46eb7e71752b0cd42