Back
CVE-2026-97451ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)
- 8.4HighCVSS base score
- 0.14%Exploitation in 30 daysEPSS · top 96% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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().
Timeline
ID reserved
By Linux
Published
- 9 days later
· 9 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Received | 3.1 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.14% · top 96% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Affected products
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 6da963ed4c3de0963c23809af3194323328080d2
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < e539003886b34c8109574820b9ba67f0dbe62a12
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 9010ad440f970e684324d507510415a67bc125e4
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 4532c9cf006bb6323957897455b6a5ab45957a19
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < d0d89f2e16a874e0f8fb17045da293e8bedf8b21
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < b96401812cbfbb4803faabeefa1f20b8562268b3
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 0e2021f49e64b3c8a9aa880d0c62a218bfe147ce
- affected 2.6.12
- unaffected < 2.6.12
- unaffected 5.10.271 – ≤ 5.10.*
- unaffected 5.15.222 – ≤ 5.15.*
- unaffected 6.1.189 – ≤ 6.1.*
- unaffected 6.6.158 – ≤ 6.6.*
- unaffected 6.12.111 – ≤ 6.12.*
- unaffected 6.18.53 – ≤ 6.18.*
- unaffected 7.2 – ≤ *
References
References7
- https://git.kernel.org/stable/c/6da963ed4c3de0963c23809af3194323328080d2 (opens in a new tab)
- https://git.kernel.org/stable/c/e539003886b34c8109574820b9ba67f0dbe62a12 (opens in a new tab)
- https://git.kernel.org/stable/c/9010ad440f970e684324d507510415a67bc125e4 (opens in a new tab)
- https://git.kernel.org/stable/c/4532c9cf006bb6323957897455b6a5ab45957a19 (opens in a new tab)
- https://git.kernel.org/stable/c/d0d89f2e16a874e0f8fb17045da293e8bedf8b21 (opens in a new tab)
- https://git.kernel.org/stable/c/b96401812cbfbb4803faabeefa1f20b8562268b3 (opens in a new tab)
- https://git.kernel.org/stable/c/0e2021f49e64b3c8a9aa880d0c62a218bfe147ce (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-86064 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-97451)Record last updated .