CVE-2026-46136

{"id": "CVE-2026-46136", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "0c9318d49e501a5d50b02bd91a4813bde2353488", "lessThan": "2a79b1a492bcfa725383b6580cd93a6862308c85", "versionType": "git"}, {"status": "affected", "version": "15173a1697236793e9e900b82fece6f99d41b2a7", "lessThan": "e451c325b000b9a0081fd93bc6d103d6943d4b55", "versionType": "git"}, {"status": "affected", "version": "fa6ad88e023ddfa6c5dcdb466d159e89f451e305", "lessThan": "90cc573fd2f46ddbc2c329e7814b5ba3deb7b939", "versionType": "git"}, {"status": "affected", "version": "fa6ad88e023ddfa6c5dcdb466d159e89f451e305", "lessThan": "0aa63d33742b805d1a218d18d12b983cce4b2f7b", "versionType": "git"}, {"status": "affected", "version": "fa6ad88e023ddfa6c5dcdb466d159e89f451e305", "lessThan": "a0111847f0b4f6023f6dd320114697514e024ba3", "versionType": "git"}, {"status": "affected", "version": "fa6ad88e023ddfa6c5dcdb466d159e89f451e305", "lessThan": "5373f8b19e568b5c217832b9bbef165bd2b2df14", "versionType": "git"}, {"status": "affected", "version": "5c8cac512844ad593d31258e215908014381bee2", "versionType": "git"}, {"status": "affected", "version": "6.1.75", "lessThan": "6.1.175", "versionType": "semver"}, {"status": "affected", "version": "6.6.14", "lessThan": "6.6.140", "versionType": "semver"}, {"status": "affected", "version": "6.7.2", "lessThan": "6.8", "versionType": "semver"}], "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.8"}, {"status": "unaffected", "version": "0", "lessThan": "6.8", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.175", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.140", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.88", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.30", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.7", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"], "defaultStatus": "affected"}]}], "published": "2026-05-28T10:16:29.160", "references": [{"url": "https://git.kernel.org/stable/c/0aa63d33742b805d1a218d18d12b983cce4b2f7b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2a79b1a492bcfa725383b6580cd93a6862308c85", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5373f8b19e568b5c217832b9bbef165bd2b2df14", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/90cc573fd2f46ddbc2c329e7814b5ba3deb7b939", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a0111847f0b4f6023f6dd320114697514e024ba3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e451c325b000b9a0081fd93bc6d103d6943d4b55", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: fix a potential clc buffer length underflow\n\nThe buf_len is used to limit the iterations for retrieving the country\npower setting and may underflow under certain conditions due to changes\nin the power table in CLC.\n\nThis underflow leads to an almost infinite loop or an invalid power\nsetting resulting in driver initialization failure."}], "lastModified": "2026-06-24T17:40:12.773", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1AC93E83-E640-47B5-BCF9-0FFCDA274EEC", "versionEndExcluding": "6.1.175", "versionStartIncluding": "6.1.75"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DDA38AF8-5649-49C0-B3A4-217AE5C066D0", "versionEndExcluding": "6.6.140", "versionStartIncluding": "6.6.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8C8835C-76B7-4E05-A489-5CCDC9D86FA9", "versionEndExcluding": "6.12.88", "versionStartIncluding": "6.7.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF39AE08-AE6D-4410-8FBE-76F6BF5BF55B", "versionEndExcluding": "6.18.30", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0893CA7-9AE6-4DFE-AC75-48967D73AD8E", "versionEndExcluding": "7.0.7", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}