CVE-2026-52972 (GCVE-0-2026-52972)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:28 – Updated: 2026-07-24 14:33
VLAI
Title
crypto: af_alg - Cap AEAD AD length to 0x80000000
Summary
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.
Severity
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < f8a5203596797f394ff3f9aa4005597a92249802 (git)
Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d (git)
Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < a4fe4eb580bbc7439f649a496d4cf38415a4021c (git)
Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < e4c4a5074532eaaa14951994a3aad0d479aa7431 (git)
Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < 265ac26d1c5e17b34d497cbda1f754a1ec8552bc (git)
Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < a1c5672faf8e93e38c2deac3979cc767ca5cf918 (git)
Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < 97948906dc8e0ea84775e03e35b60a2063c70193 (git)
Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < 0b3a57d218618cb1cc78ddc9ba02c07de84b46f4 (git)
Affected: 400c40cf78da00c16e561a3a253ca272455c42ef , < e4c06479d7059888adf2f22bc1ebcf053bf691a2 (git)
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Linux Linux Affected: 4.1
Unaffected: 0 , < 4.1 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2-rc1 , ≤ * (original_commit_for_fix)
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Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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0x80000000.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"crypto/af_alg.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"f8a5203596797f394ff3f9aa4005597a92249802\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"a4fe4eb580bbc7439f649a496d4cf38415a4021c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"e4c4a5074532eaaa14951994a3aad0d479aa7431\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"265ac26d1c5e17b34d497cbda1f754a1ec8552bc\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"a1c5672faf8e93e38c2deac3979cc767ca5cf918\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"97948906dc8e0ea84775e03e35b60a2063c70193\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"0b3a57d218618cb1cc78ddc9ba02c07de84b46f4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"400c40cf78da00c16e561a3a253ca272455c42ef\",\"lessThan\":\"e4c06479d7059888adf2f22bc1ebcf053bf691a2\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"crypto/af_alg.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.1\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.1\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.258\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.209\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.175\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.141\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.91\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.33\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.10\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1.5\",\"lessThanOrEqual\":\"7.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.2-rc1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"affectedData\":[{\"vendor\":\"Red 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Hat\",\"product\":\"Red Hat Enterprise Linux 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Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2492364\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-07-14T17:38:42+00:00",
      "cve": "CVE-2026-52972",
      "id": "CVE-2026-52972",
      "initial_release_date": "2026-06-24T00:00:00+00:00",
      "product_status:known_affected": "232",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-10T16:29:44Z",
      "cve": "CVE-2026-52972",
      "id": "CVE-2026-52972",
      "initial_release_date": "2026-06-26T02:14:22Z",
      "product_status:known_affected": "441",
      "product_status:known_not_affected": "31",
      "product_status:recommended": "353",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-52972",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-52972.json",
      "version": "16"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.