{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72413", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.926Z", "datePublished": "2026-08-15T05:56:34.857Z", "dateUpdated": "2026-08-15T05:56:34.857Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:56:34.857Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: fix err_chunk memory leaks in INIT handling\n\nWhen sctp_verify_init() encounters unrecognized parameters, it allocates an\nerr_chunk to report them. However, this chunk is leaked in several code\npaths:\n\n1. In sctp_sf_do_5_1B_init(), if security_sctp_assoc_request() fails after\n sctp_verify_init() has populated err_chunk, the function returns\n immediately without freeing it.\n\n2. In sctp_sf_do_unexpected_init(), the same leak occurs on the\n security_sctp_assoc_request() failure path.\n\n3. In sctp_sf_do_unexpected_init(), on the success path after copying\n unrecognized parameters to the INIT-ACK, the function returns without\n freeing err_chunk, unlike sctp_sf_do_5_1B_init() which properly frees\n it.\n\nFix all three leaks by adding sctp_chunk_free(err_chunk) calls before\nreturning in the error paths and on the success path in\nsctp_sf_do_unexpected_init()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sctp/sm_statefuns.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "94f55994e19e8f0676990b9d5015b58ab6a97e00", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9f58a0a4d6c2ed5d341bba64f058f15d1b0c36f2", "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/sm_statefuns.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "2.6.12", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/94f55994e19e8f0676990b9d5015b58ab6a97e00"}, {"url": "https://git.kernel.org/stable/c/9f58a0a4d6c2ed5d341bba64f058f15d1b0c36f2"}], "title": "sctp: fix err_chunk memory leaks in INIT handling", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/sctp/sm_statefuns.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "94f55994e19e8f0676990b9d5015b58ab6a97e00", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "9f58a0a4d6c2ed5d341bba64f058f15d1b0c36f2", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/sctp/sm_statefuns.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.12"}, {"lessThan": "2.6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: fix err_chunk memory leaks in INIT handling\n\nWhen sctp_verify_init() encounters unrecognized parameters, it allocates an\nerr_chunk to report them. However, this chunk is leaked in several code\npaths:\n\n1. In sctp_sf_do_5_1B_init(), if security_sctp_assoc_request() fails after\n sctp_verify_init() has populated err_chunk, the function returns\n immediately without freeing it.\n\n2. In sctp_sf_do_unexpected_init(), the same leak occurs on the\n security_sctp_assoc_request() failure path.\n\n3. In sctp_sf_do_unexpected_init(), on the success path after copying\n unrecognized parameters to the INIT-ACK, the function returns without\n freeing err_chunk, unlike sctp_sf_do_5_1B_init() which properly frees\n it.\n\nFix all three leaks by adding sctp_chunk_free(err_chunk) calls before\nreturning in the error paths and on the success path in\nsctp_sf_do_unexpected_init()."}], "id": "CVE-2026-72413", "lastModified": "2026-08-15T06:22:14.910", "metrics": {}, "published": "2026-08-15T06:22:14.910", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/94f55994e19e8f0676990b9d5015b58ab6a97e00"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9f58a0a4d6c2ed5d341bba64f058f15d1b0c36f2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}