CVE-2026-43213

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-05-06. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: 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:

wifi: rtw89: pci: validate sequence number of TX release report

Hardware rarely reports abnormal sequence number in TX release report, which will access out-of-bounds of wd_ring->pages array, causing NULL pointer dereference.

BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 1 PID: 1085 Comm: irq/129-rtw89_p Tainted: G S U 6.1.145-17510-g2f3369c91536 #1 (HASH:69e8 1) Call Trace: rtw89_pci_release_tx+0x18f/0x300 [rtw89_pci (HASH:4c83 2)] rtw89_pci_napi_poll+0xc2/0x190 [rtw89_pci (HASH:4c83 2)] net_rx_action+0xfc/0x460 net/core/dev.c:6578 net/core/dev.c:6645 net/core/dev.c:6759 handle_softirqs+0xbe/0x290 kernel/softirq.c:601 ? rtw89_pci_interrupt_threadfn+0xc5/0x350 [rtw89_pci (HASH:4c83 2)] __local_bh_enable_ip+0xeb/0x120 kernel/softirq.c:499 kernel/softirq.c:423 rtw89_pci_interrupt_threadfn+0xf8/0x350 [rtw89_pci (HASH:4c83 2)] ? irq_thread+0xa7/0x340 kernel/irq/manage.c:0 irq_thread+0x177/0x340 kernel/irq/manage.c:1205 kernel/irq/manage.c:1314 ? thaw_kernel_threads+0xb0/0xb0 kernel/irq/manage.c:1202 ? irq_forced_thread_fn+0x80/0x80 kernel/irq/manage.c:1220 kthread+0xea/0x110 kernel/kthread.c:376 ? synchronize_irq+0x1a0/0x1a0 kernel/irq/manage.c:1287 ? kthread_associate_blkcg+0x80/0x80 kernel/kthread.c:331 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

To prevent crash, validate rpp_info.seq before using.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
12.5%
KEV
Not listed

Published

May 6, 2026

Last Modified

May 11, 2026

Advisory Details (3)

Auto-updated May 11, 2026
No patch confirmed yet.
generic

wifi: rtw89: pci: validate sequence number of TX release report - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ef7fa19809b2d892d45da53f90ac698d13c367fd
generic

wifi: rtw89: pci: validate sequence number of TX release report - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/b342dd13aedccb0dd27365f6cc63a262f42394ce
generic

wifi: rtw89: pci: validate sequence number of TX release report - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/957eda596c7665f2966970fd1dcc35fe299b38e8

Vendor Advisories for CVE-2026-43213(1)

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 7× in last 7d / 33× 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 126 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-43213?
CVE-2026-43213 is a high vulnerability published on May 6, 2026. In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: pci: validate sequence number of TX release report Hardware rarely reports abnormal sequence number in TX release report, which will access out-of-bounds of wd_ring->pages array, causing NULL pointer dereference. BUG:…
When was CVE-2026-43213 disclosed?
CVE-2026-43213 was first published in the National Vulnerability Database on May 6, 2026, with the most recent update on May 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43213 actively exploited?
CVE-2026-43213 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-43213?
CVE-2026-43213 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-43213?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43213, 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.

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