{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-52494", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-20T12:30:33.304Z", "datePublished": "2024-02-29T15:52:11.674Z", "dateUpdated": "2026-07-24T14:33:12.834Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-24T14:33:12.834Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: host: Add alignment check for event ring read pointer\n\nThough we do check the event ring read pointer by \"is_valid_ring_ptr\"\nto make sure it is in the buffer range, but there is another risk the\npointer may be not aligned. Since we are expecting event ring elements\nare 128 bits(struct mhi_ring_element) aligned, an unaligned read pointer\ncould lead to multiple issues like DoS or ring buffer memory corruption.\n\nSo add a alignment check for event ring read pointer." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/bus/mhi/host/main.c" ], "versions": [ { "version": "a1d2bd164c1c78f87968b7883964175ec41c32ae", "lessThan": "76ed0c6f6418cec6efe6f65a0b91f84be80b72eb", "status": "affected", "versionType": "git" }, { "version": "ec32332df7645e0ba463a08d483fe97665167071", "lessThan": "94991728c84f8df54fd9eec9b85855ef9057ea08", "status": "affected", "versionType": "git" }, { "version": "ec32332df7645e0ba463a08d483fe97665167071", "lessThan": "2df39ac8f813860f79782807c3f7acff40b3c551", "status": "affected", "versionType": "git" }, { "version": "ec32332df7645e0ba463a08d483fe97665167071", "lessThan": "a9ebfc405fe1be145f414eafadcbf09506082010", "status": "affected", "versionType": "git" }, { "version": "ec32332df7645e0ba463a08d483fe97665167071", "lessThan": "ecf8320111822a1ae5d5fc512953eab46d543d0b", "status": "affected", "versionType": "git" }, { "version": "ec32332df7645e0ba463a08d483fe97665167071", "lessThan": "eff9704f5332a13b08fbdbe0f84059c9e7051d5f", "status": "affected", "versionType": "git" }, { "version": "fd5f40fc887485a8b9a6806a640a0d8e0ef1afb6", "status": "affected", "versionType": "git" }, { "version": "76879a980cd5ede4cb9a638999fb80d37bc09db5", "status": "affected", "versionType": "git" }, { "version": "5.10.36", "lessThan": "5.10.261", "status": "affected", "versionType": "semver" }, { "version": "5.11.20", "lessThan": "5.12", "status": "affected", "versionType": "semver" }, { "version": "5.12.3", "lessThan": "5.13", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/bus/mhi/host/main.c" ], "versions": [ { "version": "5.13", "status": "affected" }, { "version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.149", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.76", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.15", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7.3", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.36", "versionEndExcluding": "5.10.261" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.15.149" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.76" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.15" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.7.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.8" }, { "vulnerable": true, "criteria": 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