{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"a8e6a839c0e7ca1da752faaab51e2eafb17483a4","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"43ddbcdc0ed74a8fba4aff5e623ace8135411b93","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"6acedac7a14af71cfe25024ead28e16a070899e4","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"1cae40d423a2042c7970f29c00028951ec20db8a","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"94f55994e19e8f0676990b9d5015b58ab6a97e00","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"9f58a0a4d6c2ed5d341bba64f058f15d1b0c36f2","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-72413","cwes":[],"description":"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().","epss":{"date":"2026-11-06","percentile":0.11437,"score":0.00211},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793985583840,"publishedAt":1786773394857,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/a8e6a839c0e7ca1da752faaab51e2eafb17483a4"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/43ddbcdc0ed74a8fba4aff5e623ace8135411b93"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/6acedac7a14af71cfe25024ead28e16a070899e4"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/1cae40d423a2042c7970f29c00028951ec20db8a"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/94f55994e19e8f0676990b9d5015b58ab6a97e00"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/9f58a0a4d6c2ed5d341bba64f058f15d1b0c36f2"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/1cae40d423a2042c7970f29c00028951ec20db8a"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/43ddbcdc0ed74a8fba4aff5e623ace8135411b93"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/6acedac7a14af71cfe25024ead28e16a070899e4"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/94f55994e19e8f0676990b9d5015b58ab6a97e00"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/9f58a0a4d6c2ed5d341bba64f058f15d1b0c36f2"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/a8e6a839c0e7ca1da752faaab51e2eafb17483a4"}],"remediation":[],"revision":"a8c4d75f860e40404743ef5b562a64176521b1d61b62208c5047a7fe2fb05d2e","sources":[{"modifiedAt":1793984126696,"name":"CNA: Linux","retrievedAt":1793986101232,"url":"https://www.cve.org/CVERecord?id=CVE-2026-72413"},{"modifiedAt":1793985583840,"name":"NVD","retrievedAt":1793989711627,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72413"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793986122282,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-72413"}],"ssvc":{"assessedAt":1793984098710,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"sctp: fix err_chunk memory leaks in INIT handling","updatedAt":1793989711627}