ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 7 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
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().
Why it matters now
EPSS 0.00142 3rd percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.271, 5.15.222, 6.1.189 +4Red Hat: 7 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-97451
- 2026-10-03 Alias added: GHSA-w3m4-cvqw-754j
- 2026-10-03 Fix available: Linux/Linux@4532c9cf006bb6323957897455b6a5ab45957a19, Linux/[email protected], Linux/[email protected] +5 · CNA
- 2026-10-03 4 new references · CNA
- 2026-11-06 Affected versions changed · Red Hat
References
Other 7
- https://git.kernel.org/stable/c/6da963ed4c3de0963c23809af3194323328080d2
- https://git.kernel.org/stable/c/e539003886b34c8109574820b9ba67f0dbe62a12
- https://git.kernel.org/stable/c/9010ad440f970e684324d507510415a67bc125e4
- https://git.kernel.org/stable/c/4532c9cf006bb6323957897455b6a5ab45957a19
- https://git.kernel.org/stable/c/d0d89f2e16a874e0f8fb17045da293e8bedf8b21
- https://git.kernel.org/stable/c/b96401812cbfbb4803faabeefa1f20b8562268b3
- https://git.kernel.org/stable/c/0e2021f49e64b3c8a9aa880d0c62a218bfe147ce
More Linux vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2026-97451 · CVE Program
- CVE-2026-97451 · NVD
- FIRST EPSS
- GHSA-w3m4-cvqw-754j · GitHub Advisory Database · CC BY 4.0
- CVE-2026-97451 · Red Hat security data · CC BY 4.0
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