CVE-2026-53294

{"id": "CVE-2026-53294", "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": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7", "lessThan": "fc0089f82c3e36060c2c79156bc2018bfb16b56b", "versionType": "git"}, {"status": "affected", "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7", "lessThan": "5d4f3d0f64f1016cb78b400a70b67df91fac99b5", "versionType": "git"}, {"status": "affected", "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7", "lessThan": "c494a11da45ad7ec9b0ff216c3e3ace351193bb6", "versionType": "git"}, {"status": "affected", "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7", "lessThan": "3afca89fae501dbd7421e1777b5b8f033b1d98d0", "versionType": "git"}, {"status": "affected", "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7", "lessThan": "5c209299b0113e289e238fa5f2e8f00c59f76060", "versionType": "git"}, {"status": "affected", "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7", "lessThan": "82f6dcea46cf5de65c4ba7283f7c7b34de4a324d", "versionType": "git"}, {"status": "affected", "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7", "lessThan": "240c71a2aea36a1a4210f911a1c32ea88777e8e4", "versionType": "git"}, {"status": "affected", "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7", "lessThan": "88ebadbf0deefdaccdab868b44ff70a0a257f473", "versionType": "git"}], "programFiles": ["drivers/mailbox/mailbox-test.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.4"}, {"status": "unaffected", "version": "0", "lessThan": "4.4", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.258", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.209", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.175", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.141", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.91", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.33", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.10", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/mailbox/mailbox-test.c"], "defaultStatus": "affected"}]}], "published": "2026-06-26T20:17:22.310", "references": [{"url": "https://git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mailbox-test: don't free the reused channel\n\nThe RX channel can be aliased to the TX channel if it has a different\nMMIO. This special case needs to be handled when freeing the channels\notherwise a double-free occurs."}], "lastModified": "2026-07-08T03:53:18.990", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D6C1561F-0BF1-42DA-A577-60FF03568245", "versionEndExcluding": "5.10.258", "versionStartIncluding": "4.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "919C10A9-7951-4A74-BADD-C135A0A8D8B4", "versionEndExcluding": "5.15.209", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "92385813-D91D-480D-83A1-F423D2CBB2BA", "versionEndExcluding": "6.1.175", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "97A9FFFA-22BB-4D5C-9790-5A2286E392F7", "versionEndExcluding": "6.6.141", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C918746B-DE6F-448F-A93E-A04C5481688D", "versionEndExcluding": "6.12.91", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96D99E49-380D-43AB-BDBA-25C3AD018A9C", "versionEndExcluding": "6.18.33", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A13475D2-59BF-4716-94B5-7C1D239A2CF4", "versionEndExcluding": "7.0.10", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}