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CVE-2026-97451

ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)

HIGH
8.4
CVSS Score
Published: September 24, 2026 at 04:04 PM UTC
Updated: October 3, 2026 at 11:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.4
Exploit prediction
EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op) Add overflow check for Index + Length to prevent integer overflow when calculating the truncation length. This prevents negative size parameter being passed to memcpy().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
2.6.12 ≤ v < 5.10.2712.6.12 ≤ v < 5.15.2222.6.12 ≤ v < 6.1.1892.6.12 ≤ v < 6.12.1112.6.12 ≤ v < 6.18.532.6.12 ≤ v < 6.6.1582.6.12 ≤ v < 7.21da177e4c3f41524e886b7f1b8a0c1fc7321cac22.6.12
Vendor states this is fixed in 0e2021f49e64b3c8a9aa880d0c62a218bfe147ce (fixed)
Vendor states this is fixed in 4532c9cf006bb6323957897455b6a5ab45957a19 (fixed)
Vendor states this is fixed in 6da963ed4c3de0963c23809af3194323328080d2 (fixed)
Vendor states this is fixed in 9010ad440f970e684324d507510415a67bc125e4 (fixed)
Vendor states this is fixed in b96401812cbfbb4803faabeefa1f20b8562268b3 (fixed)
Vendor states this is fixed in d0d89f2e16a874e0f8fb17045da293e8bedf8b21 (fixed)
Vendor states this is fixed in e539003886b34c8109574820b9ba67f0dbe62a12 (fixed)
Vendor states this is fixed in 2.6.12 (unaffected)
Vendor states this is fixed in 5.10.271 (unaffected)
Vendor states this is fixed in 5.15.222 (unaffected)
Vendor states this is fixed in 6.1.189 (unaffected)
Vendor states this is fixed in 6.12.111 (unaffected)
Vendor states this is fixed in 6.18.53 (unaffected)
Vendor states this is fixed in 6.6.158 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

Source: cverecord
https://git.kernel.org/stable/c/d0d89f2e16a874e0f8fb17045da293e8bedf8b21
Source: cverecord
https://git.kernel.org/stable/c/b96401812cbfbb4803faabeefa1f20b8562268b3
Source: cverecord
https://git.kernel.org/stable/c/0e2021f49e64b3c8a9aa880d0c62a218bfe147ce
Source: cverecord
https://git.kernel.org/stable/c/6da963ed4c3de0963c23809af3194323328080d2
Source: cverecord
https://git.kernel.org/stable/c/e539003886b34c8109574820b9ba67f0dbe62a12
Source: cverecord
https://git.kernel.org/stable/c/9010ad440f970e684324d507510415a67bc125e4
Source: cverecord
https://git.kernel.org/stable/c/4532c9cf006bb6323957897455b6a5ab45957a19

CVSS

8.4HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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