{"api_version":"1","generated_at":"2026-07-04T11:19:51+00:00","cve":"CVE-2026-52972","urls":{"html":"https://cve.report/CVE-2026-52972","api":"https://cve.report/api/cve/CVE-2026-52972.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-52972","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52972"},"summary":{"title":"crypto: af_alg - Cap AEAD AD length to 0x80000000","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: af_alg - Cap AEAD AD length to 0x80000000\n\nIn order to prevent arithmetic overflows when checking the TX\nbuffer size, cap the associated data length to 0x80000000.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:07","updated_at":"2026-06-30 03:20:51"},"problem_types":["CWE-190","CWE-190 Integer Overflow or Wraparound"],"metrics":[{"version":"3.1","source":"ADP","type":"CVSS","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},{"version":"3.1","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c","name":"https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc","name":"https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492364","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2492364","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json","name":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802","name":"https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918","name":"https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2","name":"https://git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d","name":"https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/security/cve/CVE-2026-52972","name":"https://access.redhat.com/security/cve/CVE-2026-52972","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431","name":"https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193","name":"https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52972","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52972","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 400c40cf78da00c16e561a3a253ca272455c42ef f8a5203596797f394ff3f9aa4005597a92249802 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 400c40cf78da00c16e561a3a253ca272455c42ef a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 400c40cf78da00c16e561a3a253ca272455c42ef a4fe4eb580bbc7439f649a496d4cf38415a4021c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 400c40cf78da00c16e561a3a253ca272455c42ef e4c4a5074532eaaa14951994a3aad0d479aa7431 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 400c40cf78da00c16e561a3a253ca272455c42ef 265ac26d1c5e17b34d497cbda1f754a1ec8552bc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 400c40cf78da00c16e561a3a253ca272455c42ef a1c5672faf8e93e38c2deac3979cc767ca5cf918 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 400c40cf78da00c16e561a3a253ca272455c42ef 97948906dc8e0ea84775e03e35b60a2063c70193 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 400c40cf78da00c16e561a3a253ca272455c42ef e4c06479d7059888adf2f22bc1ebcf053bf691a2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.258 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.209 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","version":"","platforms":[]}],"timeline":[{"source":"ADP","time":"2026-06-24T00:00:00.000Z","lang":"en","value":"Reported to Red Hat."},{"source":"ADP","time":"2026-06-24T00:00:00.000Z","lang":"en","value":"Made public."}],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"52972","cve":"CVE-2026-52972","epss":"0.001400000","percentile":"0.037210000","score_date":"2026-07-03","updated_at":"2026-07-04 00:02:19"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"affected":[{"cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"},{"cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"},{"cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"},{"cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"},{"cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}],"datePublic":"2026-06-24T00:00:00.000Z","descriptions":[{"lang":"en","value":"A flaw was found in the Linux kernel's `af_alg` cryptography module. This vulnerability involves an arithmetic overflow when processing associated data lengths during the transmit buffer size check. A remote attacker could exploit this flaw by providing a specially crafted associated data length, potentially leading to a denial of service (DoS) due to system instability."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-30T02:46:31.808Z","orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","shortName":"redhat-SADP"},"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-52972"},{"name":"RHBZ#2492364","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492364"},{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json"}],"timeline":[{"lang":"en","time":"2026-06-24T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-06-24T00:00:00.000Z","value":"Made public."}],"title":"kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000","x_adpType":"supplier","x_generator":{"engine":"sadp-cli 1.0.0"}}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["crypto/af_alg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f8a5203596797f394ff3f9aa4005597a92249802","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"a4fe4eb580bbc7439f649a496d4cf38415a4021c","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"e4c4a5074532eaaa14951994a3aad0d479aa7431","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"265ac26d1c5e17b34d497cbda1f754a1ec8552bc","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"a1c5672faf8e93e38c2deac3979cc767ca5cf918","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"97948906dc8e0ea84775e03e35b60a2063c70193","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"e4c06479d7059888adf2f22bc1ebcf053bf691a2","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["crypto/af_alg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.1"},{"lessThan":"4.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"4.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: af_alg - Cap AEAD AD length to 0x80000000\n\nIn order to prevent arithmetic overflows when checking the TX\nbuffer size, cap the associated data length to 0x80000000."}],"providerMetadata":{"dateUpdated":"2026-06-29T04:24:17.790Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802"},{"url":"https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d"},{"url":"https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c"},{"url":"https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431"},{"url":"https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc"},{"url":"https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918"},{"url":"https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193"},{"url":"https://git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2"}],"title":"crypto: af_alg - Cap AEAD AD length to 0x80000000","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-52972","datePublished":"2026-06-24T16:28:50.425Z","dateReserved":"2026-06-09T07:44:35.375Z","dateUpdated":"2026-06-30T02:46:31.808Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:07","lastModifiedDate":"2026-06-30 03:20:51","problem_types":["CWE-190","CWE-190 Integer Overflow or Wraparound"],"metrics":{"cvssMetricV31":[{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"52972","Ordinal":"1","Title":"crypto: af_alg - Cap AEAD AD length to 0x80000000","CVE":"CVE-2026-52972","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"52972","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: af_alg - Cap AEAD AD length to 0x80000000\n\nIn order to prevent arithmetic overflows when checking the TX\nbuffer size, cap the associated data length to 0x80000000.","Type":"Description","Title":"crypto: af_alg - Cap AEAD AD length to 0x80000000"}]}}}