CVE-2026-52972

HIGHPre-NVD 7.07.0
EchelonGraph scoreHIGH confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 7.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.0Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.0
EG Score
7.0(high)
EPSS
3.7%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 30, 2026

Advisory Details (10)

Auto-updated Jul 1, 2026
Patch available. Sources: redhat.
redhat

2492364 – (CVE-2026-52972) CVE-2026-52972 kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000

https://bugzilla.redhat.com/show_bug.cgi?id=2492364
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-52972
generic

crypto: af_alg - Cap AEAD AD length to 0x80000000 - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802
generic

crypto: af_alg - Cap AEAD AD length to 0x80000000 - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431
generic

crypto: af_alg - Cap AEAD AD length to 0x80000000 - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2
generic

crypto: af_alg - Cap AEAD AD length to 0x80000000 - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d
generic

crypto: af_alg - Cap AEAD AD length to 0x80000000 - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c
generic

crypto: af_alg - Cap AEAD AD length to 0x80000000 - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918
generic

crypto: af_alg - Cap AEAD AD length to 0x80000000 - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193
generic

crypto: af_alg - Cap AEAD AD length to 0x80000000 - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc

Vendor Advisories for CVE-2026-52972(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 30× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:43 UTCEG score recompute
  2. 2026-07-06 16:43 UTCGHSA enrichment
  3. 2026-07-06 04:31 UTCEG score recompute
  4. 2026-07-06 04:30 UTCGHSA enrichment
  5. 2026-07-05 16:12 UTCEG score recompute
  6. 2026-07-05 16:12 UTCGHSA enrichment
  7. 2026-07-05 03:58 UTCEG score recompute
  8. 2026-07-05 03:58 UTCGHSA enrichment
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 15:39 UTCEG score recompute
  12. 2026-07-04 15:39 UTCGHSA enrichment
  13. 2026-07-04 06:31 UTCEPSS rescore
  14. 2026-07-04 03:24 UTCEG score recompute
  15. 2026-07-04 03:24 UTCGHSA enrichment
  16. 2026-07-03 15:13 UTCEG score recompute
  17. 2026-07-03 15:12 UTCGHSA enrichment
  18. 2026-07-03 02:59 UTCEG score recompute
  19. 2026-07-03 02:59 UTCGHSA enrichment
  20. 2026-07-02 14:48 UTCEG score recompute
  21. 2026-07-02 14:47 UTCGHSA enrichment
  22. 2026-07-02 02:35 UTCEG score recompute
  23. 2026-07-02 02:35 UTCGHSA enrichment
  24. 2026-07-01 15:07 UTCEPSS rescore
  25. 2026-07-01 14:23 UTCEG score recompute
Show 18 more
  1. 2026-07-01 14:23 UTCGHSA enrichment
  2. 2026-07-01 02:11 UTCEG score recompute 7.00
  3. 2026-07-01 02:11 UTCGHSA enrichment
  4. 2026-06-30 23:22 UTCEPSS rescore
  5. 2026-06-30 04:33 UTCNVD updateCVSS v3 → 7 · severity → HIGH
  6. 2026-06-29 14:06 UTCEPSS rescore
  7. 2026-06-29 14:06 UTCEPSS rescore
  8. 2026-06-29 08:04 UTCNVD update
  9. 2026-06-29 05:17 UTCMITRE cvelistV5
  10. 2026-06-28 14:07 UTCEPSS rescore
  11. 2026-06-28 04:56 UTCEPSS rescore
  12. 2026-06-28 04:56 UTCEPSS rescore
  13. 2026-06-27 22:19 UTCEG score recompute
  14. 2026-06-27 22:19 UTCGHSA enrichment
  15. 2026-06-27 03:08 UTCEPSS rescore
  16. 2026-06-25 13:49 UTCEPSS rescore
  17. 2026-06-24 18:27 UTCEG score recompute
  18. 2026-06-24 18:02 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-52972?
CVE-2026-52972 is a high vulnerability published on June 24, 2026. 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.
When was CVE-2026-52972 disclosed?
CVE-2026-52972 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52972 actively exploited?
CVE-2026-52972 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-52972?
CVE-2026-52972 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2026-52972?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52972, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-52972

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