{"id":"CVE-2026-97451","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)\n\nAdd overflow check for Index + Length to prevent integer overflow\nwhen calculating the truncation le…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)\n\nAdd overflow check for Index + Length to prevent integer overflow\nwhen calculating the truncation le…","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6da963ed4c3de0963c23809af3194323328080d2","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e539003886b34c8109574820b9ba67f0dbe62a12","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9010ad440f970e684324d507510415a67bc125e4","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4532c9cf006bb6323957897455b6a5ab45957a19","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d0d89f2e16a874e0f8fb17045da293e8bedf8b21","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b96401812cbfbb4803faabeefa1f20b8562268b3","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0e2021f49e64b3c8a9aa880d0c62a218bfe147ce","Linux 2.6.12"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:56.810","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97451","references":[{"url":"https://git.kernel.org/stable/c/0e2021f49e64b3c8a9aa880d0c62a218bfe147ce","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4532c9cf006bb6323957897455b6a5ab45957a19","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6da963ed4c3de0963c23809af3194323328080d2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9010ad440f970e684324d507510415a67bc125e4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b96401812cbfbb4803faabeefa1f20b8562268b3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d0d89f2e16a874e0f8fb17045da293e8bedf8b21","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e539003886b34c8109574820b9ba67f0dbe62a12","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97451.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97451"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540400"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97451"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97451"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97451.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00142,"epssPercentile":0.03452,"scores":{"nvd":8.4,"vendor":5.5},"ingestedAt":"2026-09-24T16:47:15.875Z","slug":"CVE-2026-97451","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)\n\nAdd overflow check for Index + Length to prevent integer overflow\nwhen calculating the truncation length. This prevents negative\nsize parameter being passed to memcpy().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97451.json)","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210603,"id":"CVE-2026-97451","ts":1790316057087,"field":"cvss","old":null,"new":"8.4"},{"seq":210602,"id":"CVE-2026-97451","ts":1790316057087,"field":"severity","old":"none","new":"high"}]}