{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53372", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:54:09.734Z", "datePublished": "2025-09-18T13:33:19.549Z", "dateUpdated": "2025-09-18T13:33:19.549Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-18T13:33:19.549Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: fix a potential overflow in sctp_ifwdtsn_skip\n\nCurrently, when traversing ifwdtsn skips with _sctp_walk_ifwdtsn, it only\nchecks the pos against the end of the chunk. However, the data left for\nthe last pos may be < sizeof(struct sctp_ifwdtsn_skip), and dereference\nit as struct sctp_ifwdtsn_skip may cause coverflow.\n\nThis patch fixes it by checking the pos against \"the end of the chunk -\nsizeof(struct sctp_ifwdtsn_skip)\" in sctp_ifwdtsn_skip, similar to\nsctp_fwdtsn_skip."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sctp/stream_interleave.c"], "versions": [{"version": "0fc2ea922c8ad5520c80f03facbf396c81dce802", "lessThan": "4fbd094d4131a10d06a45d64158567052a35b3f4", "status": "affected", "versionType": "git"}, {"version": "0fc2ea922c8ad5520c80f03facbf396c81dce802", "lessThan": "ad831a7079c99c01e801764b53bc9997c2e9c0f7", "status": "affected", "versionType": "git"}, {"version": "0fc2ea922c8ad5520c80f03facbf396c81dce802", "lessThan": "79b28f42214a3d0d6a8c514db3602260bd5d6cb5", "status": "affected", "versionType": "git"}, {"version": "0fc2ea922c8ad5520c80f03facbf396c81dce802", "lessThan": "6109f5b13ce3e3e537db6f18976ec0e9118d1c6f", "status": "affected", "versionType": "git"}, {"version": "0fc2ea922c8ad5520c80f03facbf396c81dce802", "lessThan": "5c9367ac5a22d71841bcd00130f9146c9b227d57", "status": "affected", "versionType": "git"}, {"version": "0fc2ea922c8ad5520c80f03facbf396c81dce802", "lessThan": "ad988e9b5ff04607e624a459209e8c2d0c15fc73", "status": "affected", "versionType": "git"}, {"version": "0fc2ea922c8ad5520c80f03facbf396c81dce802", "lessThan": "32832a2caf82663870126c5186cf8f86c8b2a649", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sctp/stream_interleave.c"], "versions": [{"version": "4.16", "status": "affected"}, {"version": "0", "lessThan": "4.16", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.281", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.241", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.178", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.108", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.25", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.12", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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": "4.16", "versionEndExcluding": "4.19.281"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.4.241"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.10.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.15.108"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.1.25"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.2.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4fbd094d4131a10d06a45d64158567052a35b3f4"}, {"url": "https://git.kernel.org/stable/c/ad831a7079c99c01e801764b53bc9997c2e9c0f7"}, {"url": "https://git.kernel.org/stable/c/79b28f42214a3d0d6a8c514db3602260bd5d6cb5"}, {"url": "https://git.kernel.org/stable/c/6109f5b13ce3e3e537db6f18976ec0e9118d1c6f"}, {"url": "https://git.kernel.org/stable/c/5c9367ac5a22d71841bcd00130f9146c9b227d57"}, {"url": "https://git.kernel.org/stable/c/ad988e9b5ff04607e624a459209e8c2d0c15fc73"}, {"url": "https://git.kernel.org/stable/c/32832a2caf82663870126c5186cf8f86c8b2a649"}], "title": "sctp: fix a potential overflow in sctp_ifwdtsn_skip", "x_generator": {"engine": "bippy-1.2.0"}}}}

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