CVE-2026-52972

HIGHNVD 5.57.0▲
EchelonGraph scoreMEDIUM confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. NVD baseline CVSS 5.5; sources differ by 1.5.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
7.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 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
5.5
EG Score
7.0(medium)
EG Risk
36(Track)
EG Risk 36/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity70% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

June 24, 2026

Last Modified

July 24, 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 23× in last 7d / 101× 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.

Showing the most recent 100 of 109 total refreshes for this CVE.

  1. 2026-07-29 00:57 UTCEG score recompute
  2. 2026-07-29 00:57 UTCVendor advisory
  3. 2026-07-29 00:57 UTCGHSA enrichment
  4. 2026-07-28 15:37 UTCEPSS rescore
  5. 2026-07-28 06:40 UTCVendor advisory
  6. 2026-07-28 06:40 UTCGHSA enrichment
  7. 2026-07-27 18:26 UTCEG score recompute
  8. 2026-07-27 18:26 UTCVendor advisory
  9. 2026-07-27 18:26 UTCGHSA enrichment
  10. 2026-07-27 06:11 UTCVendor advisory
  11. 2026-07-27 06:11 UTCGHSA enrichment
  12. 2026-07-26 17:40 UTCEG score recompute
  13. 2026-07-26 17:40 UTCVendor advisory
  14. 2026-07-26 17:40 UTCGHSA enrichment
  15. 2026-07-26 14:54 UTCEPSS rescore
  16. 2026-07-26 05:12 UTCEG score recompute
  17. 2026-07-26 05:12 UTCVendor advisory
  18. 2026-07-26 05:12 UTCGHSA enrichment
  19. 2026-07-24 16:11 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  20. 2026-07-24 14:18 UTCEPSS rescore
  21. 2026-07-23 14:18 UTCEPSS rescore
  22. 2026-07-23 03:19 UTCEG score recompute
  23. 2026-07-22 14:08 UTCEPSS rescore
  24. 2026-07-21 15:25 UTCEPSS rescore
  25. 2026-07-20 17:08 UTCEPSS rescore
Show 75 more
  1. 2026-07-19 14:31 UTCEPSS rescore
  2. 2026-07-19 14:31 UTCEPSS rescore
  3. 2026-07-18 10:04 UTCEPSS rescore
  4. 2026-07-16 21:54 UTCVendor advisory
  5. 2026-07-16 21:54 UTCGHSA enrichment
  6. 2026-07-16 17:03 UTCEPSS rescore
  7. 2026-07-16 09:42 UTCVendor advisory
  8. 2026-07-16 09:42 UTCGHSA enrichment
  9. 2026-07-15 21:30 UTCVendor advisory
  10. 2026-07-15 21:30 UTCGHSA enrichment
  11. 2026-07-15 16:57 UTCEPSS rescore
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 09:11 UTCVendor advisory
  14. 2026-07-15 09:11 UTCGHSA enrichment
  15. 2026-07-15 03:14 UTCMITRE cvelistV5CVSS v3 → 7 · severity → HIGH
  16. 2026-07-15 01:24 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  17. 2026-07-15 00:50 UTCMITRE cvelistV5CVSS v3 → 7 · severity → HIGH
  18. 2026-07-14 20:59 UTCVendor advisory
  19. 2026-07-14 20:59 UTCGHSA enrichment
  20. 2026-07-14 17:20 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  21. 2026-07-14 08:47 UTCVendor advisory
  22. 2026-07-14 08:47 UTCGHSA enrichment
  23. 2026-07-13 22:31 UTCEPSS rescore
  24. 2026-07-13 20:35 UTCGHSA enrichment
  25. 2026-07-13 08:23 UTCGHSA enrichment
  26. 2026-07-13 06:13 UTCEPSS rescore
  27. 2026-07-13 06:13 UTCEPSS rescore
  28. 2026-07-12 20:09 UTCVendor advisory
  29. 2026-07-12 20:09 UTCGHSA enrichment
  30. 2026-07-12 07:57 UTCVendor advisory
  31. 2026-07-12 07:57 UTCGHSA enrichment
  32. 2026-07-12 05:46 UTCEPSS rescore
  33. 2026-07-11 19:45 UTCVendor advisory
  34. 2026-07-11 19:45 UTCGHSA enrichment
  35. 2026-07-11 08:27 UTCEPSS rescore
  36. 2026-07-11 08:27 UTCEPSS rescore
  37. 2026-07-11 07:33 UTCVendor advisory
  38. 2026-07-11 07:33 UTCGHSA enrichment
  39. 2026-07-10 19:20 UTCVendor advisory
  40. 2026-07-10 19:20 UTCGHSA enrichment
  41. 2026-07-10 07:08 UTCGHSA enrichment
  42. 2026-07-09 19:10 UTCEPSS rescore
  43. 2026-07-09 19:10 UTCEPSS rescore
  44. 2026-07-09 18:50 UTCGHSA enrichment
  45. 2026-07-09 06:35 UTCGHSA enrichment
  46. 2026-07-08 18:23 UTCGHSA enrichment
  47. 2026-07-08 15:16 UTCEPSS rescore
  48. 2026-07-08 15:16 UTCEPSS rescore
  49. 2026-07-08 06:11 UTCGHSA enrichment
  50. 2026-07-07 17:55 UTCGHSA enrichment
  51. 2026-07-07 13:46 UTCEPSS rescore
  52. 2026-07-07 13:46 UTCEPSS rescore
  53. 2026-07-07 04:56 UTCGHSA enrichment
  54. 2026-07-06 16:43 UTCGHSA enrichment
  55. 2026-07-06 04:30 UTCGHSA enrichment
  56. 2026-07-05 16:12 UTCGHSA enrichment
  57. 2026-07-05 03:58 UTCGHSA enrichment
  58. 2026-07-05 02:31 UTCEPSS rescore
  59. 2026-07-05 02:30 UTCEPSS rescore
  60. 2026-07-04 15:39 UTCGHSA enrichment
  61. 2026-07-04 06:31 UTCEPSS rescore
  62. 2026-07-04 03:24 UTCGHSA enrichment
  63. 2026-07-03 15:12 UTCGHSA enrichment
  64. 2026-07-03 02:59 UTCGHSA enrichment
  65. 2026-07-02 14:47 UTCGHSA enrichment
  66. 2026-07-02 02:35 UTCGHSA enrichment
  67. 2026-07-01 15:07 UTCEPSS rescore
  68. 2026-07-01 14:23 UTCGHSA enrichment
  69. 2026-07-01 02:11 UTCEG score recompute▲ 7.00
  70. 2026-07-01 02:11 UTCGHSA enrichment
  71. 2026-06-30 23:22 UTCEPSS rescore
  72. 2026-06-30 04:33 UTCNVD updateCVSS v3 → 7 · severity → HIGH
  73. 2026-06-29 14:06 UTCEPSS rescore
  74. 2026-06-29 14:06 UTCEPSS rescore
  75. 2026-06-29 08:04 UTCNVD update

Related CVEs(same vendor + same CWE)

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 July 24, 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 0% probability of exploitation in the next 30 days, which ranks it in the top 95.9% of all scored CVEs.
What is the CVSS score of CVE-2026-52972?
CVE-2026-52972 has a CVSS v3 base score of 5.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.0.
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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