CVE-2026-52988

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. the CNA's CVSS baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase

Publish new hooks in the list into the basechain/flowtable using splice_list_rcu() to ensure netlink dump list traversal via rcu is safe while concurrent ruleset update is going on.

CVSS v3
7.1
EG Score
7.1(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
Severity71% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

June 24, 2026

Last Modified

August 5, 2026

Advisory Details (2)

Auto-updated Jun 30, 2026
No patch confirmed yet.
generic

netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400
generic

netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f

Vendor Advisories for CVE-2026-52988(2)

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

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-08-30ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-08-30ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-30ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1016.16) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2016.16) @ resolute2026-08-30ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 7.2~rc5-1~exp1 (496 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 7.2~rc7-1~exp1 (350 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.2~rc7-1~exp1 (174 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (140 versions)7.0.10-1—

All Vendor Advisories

(8)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 5× in last 7d / 84× 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 251 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-52988?
CVE-2026-52988 is a high vulnerability published on June 24, 2026. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: join hook list via splicelist_rcu() in commit phase Publish new hooks in the list into the basechain/flowtable using splicelistrcu() to ensure netlink dump list traversal via rcu is safe while concurrent…
When was CVE-2026-52988 disclosed?
CVE-2026-52988 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52988 actively exploited?
CVE-2026-52988 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 97.7% of all scored CVEs.
What is the CVSS score of CVE-2026-52988?
CVE-2026-52988 has a CVSS v4.0 base score of 7.1 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-52988?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52988, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-52988

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