{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72450", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.931Z", "datePublished": "2026-08-15T05:56:58.939Z", "dateUpdated": "2026-08-15T05:56:58.939Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:56:58.939Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: validate selector family and prefixlen during match\n\nsyzbot reported a shift-out-of-bounds in xfrm_selector_match()\ndue to AF_UNSPEC selector with large prefixlen (e.g. 128) matched\nagainst IPv4 flow (when XFRM_STATE_AF_UNSPEC is set).\n\nFix this by:\n\n- Rejecting mismatched families in xfrm_selector_match.\n- Returning false in addr4_match if prefixlen > 32.\n- Returning false in addr_match if prefixlen > 128 (prevents overflow)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/xfrm.h", "net/xfrm/xfrm_policy.c"], "versions": [{"version": "8df5cd51fd70c33aa1776e5cbcd82b0a86649d73", "lessThan": "87a5bbccc7ff4edb3f42fea387124237d2ba91ee", "status": "affected", "versionType": "git"}, {"version": "2d08a6c31c65f23db71a5385ee9cf9d8f9a67a71", "lessThan": "bd7f202cf77556cff59f68dc30e4cdf40cb6e33b", "status": "affected", "versionType": "git"}, {"version": "bce1afaa212ec380bf971614f70909a27882b862", "lessThan": "a3968ad4195d72c8fddcc6c0ef39da95ac98711a", "status": "affected", "versionType": "git"}, {"version": "7d9868180bd1e4cf37e7c5067362658971162366", "lessThan": "efa9e3b9f3dea2e1ea4c7edf4edc863faef85986", "status": "affected", "versionType": "git"}, {"version": "3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563", "lessThan": "78783fefdc8f36879b1a17efa0d3195ea5f2dc5f", "status": "affected", "versionType": "git"}, {"version": "3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563", "lessThan": "6d99379c58f7f1c6ab2cc7aba01a4f52d71adcfe", "status": "affected", "versionType": "git"}, {"version": "3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563", "lessThan": "5a03a2ee17e8259dde631ed84fd8322db06cb2ae", "status": "affected", "versionType": "git"}, {"version": "3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563", "lessThan": "40f0b1047918539f0b0f795ac65e35336b4c2c78", "status": "affected", "versionType": "git"}, {"version": "f31398570acf0f0804c644006f7bfa9067106b0a", "status": "affected", "versionType": "git"}, {"version": "401ad99a5ae7180dd9449eac104cb755f442e7f3", "status": "affected", "versionType": "git"}, {"version": "e68dd80ba498265d2266b12dc3459164f4ff0c4a", "status": "affected", "versionType": "git"}, {"version": "5.10.229", "lessThan": "5.10.261", "status": "affected", "versionType": "semver"}, {"version": "5.15.170", "lessThan": "5.15.212", "status": "affected", "versionType": "semver"}, {"version": "6.1.115", "lessThan": "6.1.178", "status": "affected", "versionType": "semver"}, {"version": "6.6.59", "lessThan": "6.6.145", "status": "affected", "versionType": "semver"}, {"version": "4.19.323", "lessThan": "4.20", "status": "affected", "versionType": "semver"}, {"version": "5.4.285", "lessThan": "5.5", "status": "affected", "versionType": "semver"}, {"version": "6.11.6", "lessThan": "6.12", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/xfrm.h", "net/xfrm/xfrm_policy.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "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": "5.10.229", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": 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"versionEndExcluding": "7.2-rc1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.323"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.285"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/87a5bbccc7ff4edb3f42fea387124237d2ba91ee"}, {"url": "https://git.kernel.org/stable/c/bd7f202cf77556cff59f68dc30e4cdf40cb6e33b"}, {"url": "https://git.kernel.org/stable/c/a3968ad4195d72c8fddcc6c0ef39da95ac98711a"}, {"url": "https://git.kernel.org/stable/c/efa9e3b9f3dea2e1ea4c7edf4edc863faef85986"}, {"url": "https://git.kernel.org/stable/c/78783fefdc8f36879b1a17efa0d3195ea5f2dc5f"}, {"url": "https://git.kernel.org/stable/c/6d99379c58f7f1c6ab2cc7aba01a4f52d71adcfe"}, {"url": "https://git.kernel.org/stable/c/5a03a2ee17e8259dde631ed84fd8322db06cb2ae"}, {"url": "https://git.kernel.org/stable/c/40f0b1047918539f0b0f795ac65e35336b4c2c78"}], "title": "xfrm: validate selector family and prefixlen during match", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["include/net/xfrm.h", "net/xfrm/xfrm_policy.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "87a5bbccc7ff4edb3f42fea387124237d2ba91ee", "status": "affected", "version": "8df5cd51fd70c33aa1776e5cbcd82b0a86649d73", "versionType": "git"}, {"lessThan": "bd7f202cf77556cff59f68dc30e4cdf40cb6e33b", "status": "affected", "version": "2d08a6c31c65f23db71a5385ee9cf9d8f9a67a71", "versionType": "git"}, {"lessThan": "a3968ad4195d72c8fddcc6c0ef39da95ac98711a", "status": "affected", "version": "bce1afaa212ec380bf971614f70909a27882b862", "versionType": "git"}, {"lessThan": "efa9e3b9f3dea2e1ea4c7edf4edc863faef85986", "status": "affected", "version": "7d9868180bd1e4cf37e7c5067362658971162366", "versionType": "git"}, {"lessThan": "78783fefdc8f36879b1a17efa0d3195ea5f2dc5f", "status": "affected", "version": "3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563", "versionType": "git"}, {"lessThan": "6d99379c58f7f1c6ab2cc7aba01a4f52d71adcfe", "status": "affected", "version": "3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563", "versionType": "git"}, {"lessThan": "5a03a2ee17e8259dde631ed84fd8322db06cb2ae", "status": "affected", "version": "3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563", "versionType": "git"}, {"lessThan": "40f0b1047918539f0b0f795ac65e35336b4c2c78", "status": "affected", "version": "3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563", "versionType": "git"}, {"status": "affected", "version": "f31398570acf0f0804c644006f7bfa9067106b0a", "versionType": "git"}, {"status": "affected", "version": "401ad99a5ae7180dd9449eac104cb755f442e7f3", "versionType": "git"}, {"status": "affected", "version": "e68dd80ba498265d2266b12dc3459164f4ff0c4a", "versionType": "git"}, {"lessThan": "5.10.261", "status": "affected", "version": "5.10.229", "versionType": "semver"}, {"lessThan": "5.15.212", "status": "affected", "version": "5.15.170", "versionType": "semver"}, {"lessThan": "6.1.178", "status": "affected", "version": "6.1.115", "versionType": "semver"}, {"lessThan": "6.6.145", "status": "affected", "version": "6.6.59", "versionType": "semver"}, {"lessThan": "4.20", "status": "affected", "version": "4.19.323", "versionType": "semver"}, {"lessThan": "5.5", "status": "affected", "version": "5.4.285", "versionType": "semver"}, {"lessThan": "6.12", "status": "affected", "version": "6.11.6", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["include/net/xfrm.h", "net/xfrm/xfrm_policy.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.12"}, {"lessThan": "6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "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\nxfrm: validate selector family and prefixlen during match\n\nsyzbot reported a shift-out-of-bounds in xfrm_selector_match()\ndue to AF_UNSPEC selector with large prefixlen (e.g. 128) matched\nagainst IPv4 flow (when XFRM_STATE_AF_UNSPEC is set).\n\nFix this by:\n\n- Rejecting mismatched families in xfrm_selector_match.\n- Returning false in addr4_match if prefixlen > 32.\n- Returning false in addr_match if prefixlen > 128 (prevents overflow)."}], "id": "CVE-2026-72450", "lastModified": "2026-08-15T06:22:18.950", "metrics": {}, "published": "2026-08-15T06:22:18.950", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/40f0b1047918539f0b0f795ac65e35336b4c2c78"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5a03a2ee17e8259dde631ed84fd8322db06cb2ae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6d99379c58f7f1c6ab2cc7aba01a4f52d71adcfe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/78783fefdc8f36879b1a17efa0d3195ea5f2dc5f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/87a5bbccc7ff4edb3f42fea387124237d2ba91ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a3968ad4195d72c8fddcc6c0ef39da95ac98711a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bd7f202cf77556cff59f68dc30e4cdf40cb6e33b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/efa9e3b9f3dea2e1ea4c7edf4edc863faef85986"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}