CVE-2026-52972 - Vulnerability Details - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Cap AEAD AD length to 0x80000000 In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data length to 0x80000000.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel

No data.

No data.

No data.

References

Link	Providers
https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc
https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193
https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918
https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c
https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d
https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431
https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802

History

Wed, 24 Jun 2026 17:15:00 +0000

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Cap AEAD AD length to 0x80000000 In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data length to 0x80000000.
Title		crypto: af_alg - Cap AEAD AD length to 0x80000000
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193 https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918 https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431 https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-06-24T16:28:50.425Z

Updated: 2026-06-24T16:28:50.425Z

Reserved: 2026-06-09T07:44:35.375Z

Link: CVE-2026-52972

Vulnrichment

No data.

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52972", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.375Z", "datePublished": "2026-06-24T16:28:50.425Z", "dateUpdated": "2026-06-24T16:28:50.425Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T16:28:50.425Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["crypto/af_alg.c"], "versions": [{"version": "400c40cf78da00c16e561a3a253ca272455c42ef", "lessThan": "f8a5203596797f394ff3f9aa4005597a92249802", "status": "affected", "versionType": "git"}, {"version": "400c40cf78da00c16e561a3a253ca272455c42ef", "lessThan": "a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d", "status": "affected", "versionType": "git"}, {"version": "400c40cf78da00c16e561a3a253ca272455c42ef", "lessThan": "a4fe4eb580bbc7439f649a496d4cf38415a4021c", "status": "affected", "versionType": "git"}, {"version": "400c40cf78da00c16e561a3a253ca272455c42ef", "lessThan": "e4c4a5074532eaaa14951994a3aad0d479aa7431", "status": "affected", "versionType": "git"}, {"version": "400c40cf78da00c16e561a3a253ca272455c42ef", "lessThan": "265ac26d1c5e17b34d497cbda1f754a1ec8552bc", "status": "affected", "versionType": "git"}, {"version": "400c40cf78da00c16e561a3a253ca272455c42ef", "lessThan": "a1c5672faf8e93e38c2deac3979cc767ca5cf918", "status": "affected", "versionType": "git"}, {"version": "400c40cf78da00c16e561a3a253ca272455c42ef", "lessThan": "97948906dc8e0ea84775e03e35b60a2063c70193", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["crypto/af_alg.c"], "versions": [{"version": "4.1", "status": "affected"}, {"version": "0", "lessThan": "4.1", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "7.0.10"}]}]}], "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"}], "title": "crypto: af_alg - Cap AEAD AD length to 0x80000000", "x_generator": {"engine": "bippy-1.2.0"}}}}