CVE-2026-53093

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-06-24. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
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

A fix is available — apply it.

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

wifi: brcmfmac: Fix error pointer dereference

The function brcmf_chip_add_core() can return an error pointer and is not checked. Add checks for error pointer.

Detected by Smatch: drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

[add missing wifi: prefix]

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity55% × 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

July 23, 2026

Advisory Details (8)

Auto-updated Jul 26, 2026
No patch confirmed yet.
generic

wifi: brcmfmac: Fix error pointer dereference - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a
generic

wifi: brcmfmac: Fix error pointer dereference - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a
generic

wifi: brcmfmac: Fix error pointer dereference - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8
generic

wifi: brcmfmac: Fix error pointer dereference - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d
generic

wifi: brcmfmac: Fix error pointer dereference - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af
generic

wifi: brcmfmac: Fix error pointer dereference - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909
generic

wifi: brcmfmac: Fix error pointer dereference - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b
generic

wifi: brcmfmac: Fix error pointer dereference - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae

Vendor Advisories for CVE-2026-53093(2)

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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-realtime-hwe-22.04 (6.8.1-1056.57~22.04.2) @ jammy2026-08-30ubuntu
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-xilinx-zynqmp-tools-5.15.0-1075 (5.15.0-1075.79) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.66~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2050.52) @ noble2026-08-30ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1058.61) @ noble2026-08-30ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1059.62.1) @ noble2026-08-30ubuntu
ubuntulinux-tools-nvidia-lowlatency-5.15 (5.15.0.1107.107) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.64) @ jammy2026-08-30ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1063.71) @ noble2026-08-30ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-08-30ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1063.71+fips2) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fde-6.8 (6.8.0-1062.69~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-oracle-lts-22.04 (5.15.0.1109.105) @ jammy2026-08-30ubuntu
ubuntulinux-tools-azure-fde-lts-22.04 (5.15.0.1117.126) @ jammy2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-aws-edge (6.8.0-1061.64~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1033.34) @ noble2026-08-30ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-136.136~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1109.115~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-intel-iotg-edge (5.15.0.1107.113~20.04.1) @ focal2026-08-30ubuntu
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
ubuntulinux-tools-azure-fde-lts-24.04 (6.8.0-1062.69) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1117.102) @ jammy2026-08-30ubuntu

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

(5 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (54 versions)5.10.259-1—
linux-6.16.1.106-3~deb11u1 ... 6.1.174-1~deb11u1 (20 versions)6.1.176-1~deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (53 versions)6.1.176-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.94-1~bpo12+1 (27 versions)6.12.94-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (140 versions)7.0.10-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(24)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 5× in last 7d / 62× 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 179 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. 2026-09-04 05:06 UTCEPSS rescore
  7. 2026-09-02 14:12 UTCEPSS rescore
  8. 2026-09-01 13:54 UTCEPSS rescore
  9. 2026-08-30 19:54 UTCEG score recompute
  10. 2026-08-30 19:54 UTCVendor advisory
  11. 2026-08-30 19:53 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 03:44 UTCEG score recompute
  16. 2026-08-28 03:44 UTCVendor advisory
  17. 2026-08-28 03:43 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. 2026-08-24 13:22 UTCEG score recompute
  22. 2026-08-24 13:22 UTCVendor advisory
  23. 2026-08-24 13:21 UTCGHSA enrichment
  24. 2026-08-23 11:11 UTCEG score recompute
  25. 2026-08-23 11:11 UTCVendor advisory
Show 75 more
  1. 2026-08-23 11:10 UTCGHSA enrichment
  2. 2026-08-23 00:19 UTCEPSS rescore
  3. 2026-08-22 11:32 UTCEG score recompute
  4. 2026-08-22 11:32 UTCVendor advisory
  5. 2026-08-22 11:32 UTCGHSA enrichment
  6. 2026-08-21 23:49 UTCEPSS rescore
  7. 2026-08-21 07:16 UTCEG score recompute
  8. 2026-08-21 07:16 UTCVendor advisory
  9. 2026-08-21 07:16 UTCGHSA enrichment
  10. 2026-08-20 22:55 UTCEPSS rescore
  11. 2026-08-20 07:19 UTCEG score recompute
  12. 2026-08-20 07:19 UTCVendor advisory
  13. 2026-08-20 07:19 UTCGHSA enrichment
  14. 2026-08-19 17:04 UTCEPSS rescore
  15. 2026-08-19 02:03 UTCEG score recompute
  16. 2026-08-19 02:03 UTCVendor advisory
  17. 2026-08-19 02:03 UTCGHSA enrichment
  18. 2026-08-18 13:48 UTCEPSS rescore
  19. 2026-08-17 13:47 UTCEPSS rescore
  20. 2026-08-16 21:30 UTCEG score recompute
  21. 2026-08-16 21:30 UTCVendor advisory
  22. 2026-08-16 21:30 UTCGHSA enrichment
  23. 2026-08-16 14:56 UTCEPSS rescore
  24. 2026-08-16 02:14 UTCEPSS rescore
  25. 2026-08-15 21:52 UTCEG score recompute
  26. 2026-08-15 21:52 UTCVendor advisory
  27. 2026-08-15 21:52 UTCGHSA enrichment
  28. 2026-08-15 01:30 UTCEPSS rescore
  29. 2026-08-14 22:13 UTCVendor advisory
  30. 2026-08-14 22:13 UTCGHSA enrichment
  31. 2026-08-13 22:35 UTCEG score recompute
  32. 2026-08-13 22:35 UTCVendor advisory
  33. 2026-08-13 22:35 UTCGHSA enrichment
  34. 2026-08-13 22:00 UTCEPSS rescore
  35. 2026-08-12 22:57 UTCEG score recompute
  36. 2026-08-12 22:57 UTCVendor advisory
  37. 2026-08-12 22:57 UTCGHSA enrichment
  38. 2026-08-12 13:51 UTCEPSS rescore
  39. 2026-08-11 23:19 UTCEG score recompute
  40. 2026-08-11 23:19 UTCVendor advisory
  41. 2026-08-11 23:19 UTCGHSA enrichment
  42. 2026-08-11 00:00 UTCEPSS rescore
  43. 2026-08-10 23:41 UTCVendor advisory
  44. 2026-08-10 23:41 UTCGHSA enrichment
  45. 2026-08-10 00:03 UTCEG score recompute
  46. 2026-08-10 00:03 UTCVendor advisory
  47. 2026-08-10 00:03 UTCGHSA enrichment
  48. 2026-08-09 13:46 UTCEPSS rescore
  49. 2026-08-09 00:25 UTCEG score recompute
  50. 2026-08-09 00:25 UTCVendor advisory
  51. 2026-08-09 00:25 UTCGHSA enrichment
  52. 2026-08-08 16:37 UTCEPSS rescore
  53. 2026-08-08 00:46 UTCEG score recompute
  54. 2026-08-08 00:46 UTCVendor advisory
  55. 2026-08-08 00:46 UTCGHSA enrichment
  56. 2026-08-07 01:09 UTCVendor advisory
  57. 2026-08-07 01:08 UTCGHSA enrichment
  58. 2026-08-06 01:30 UTCEG score recompute
  59. 2026-08-06 01:30 UTCVendor advisory
  60. 2026-08-06 01:30 UTCGHSA enrichment
  61. 2026-08-05 19:17 UTCEPSS rescore
  62. 2026-08-05 01:52 UTCEG score recompute
  63. 2026-08-05 01:52 UTCVendor advisory
  64. 2026-08-05 01:52 UTCGHSA enrichment
  65. 2026-08-04 15:10 UTCEPSS rescore
  66. 2026-08-04 10:39 UTCEPSS rescore
  67. 2026-08-04 02:08 UTCEG score recompute
  68. 2026-08-04 02:08 UTCVendor advisory
  69. 2026-08-04 02:08 UTCGHSA enrichment
  70. 2026-08-03 10:36 UTCEPSS rescore
  71. 2026-08-03 02:30 UTCVendor advisory
  72. 2026-08-03 02:30 UTCGHSA enrichment
  73. 2026-08-02 02:51 UTCEG score recompute
  74. 2026-08-02 02:51 UTCVendor advisory
  75. 2026-08-02 02:51 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-53093?
CVE-2026-53093 is a medium vulnerability published on June 24, 2026. In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix error pointer dereference The function brcmfchipadd_core() can return an error pointer and is not checked. Add checks for error pointer. Detected by Smatch:…
When was CVE-2026-53093 disclosed?
CVE-2026-53093 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53093 actively exploited?
CVE-2026-53093 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-2026-53093?
CVE-2026-53093 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-53093?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53093, 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-2026-53093

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