Vulnerability · CVE-2023-53086

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: do not check WED status for non-mmio devices WED is supported just for mmio devices, so do n

Q: Which versions are affected?

Compare what you have installed with linux/linux kernel 6.3; Linux Linux d1369e515efe6b5d04e9a5f5884106643f7b1d8a <53edfda851dd1ce41ac049ce2f195dc41dd27cc1 d1369e515efe6b5d04e9a5f5884106643f7b1d8a <53edfda851dd1ce41ac049ce2f195dc41dd27cc1. Compare the installed version with the linked vendor advisory before you change production.

Q: What should an analyst verify?

No weakness class is stored. EPSS 21.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Published May 2, 2025 · catalog updated Oct 15, 2026 · Linux Linux

Check this week

CVE-2023-53086 is not in CISA KEV. FIRST estimates a 21.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Gaps on this record

No vendor fix or required action is stored. Compare the linked advisory before you change production.

Severity: High8.8
Known exploitation: Not in CISA/VulnCheck KEV
EPSS: 21.00%
Remediation: Version ranges on file
Affected products: cpe linux/linux kernel · vendor Linux Linux d1369e515efe6b5d04e9a5f5884106643f7b1d8a <53edfda851dd1ce41ac049ce2f195dc41dd27cc1

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: do not check WED status for non-mmio devices WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below: [ 21.946627] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d [ 22.525298] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3) [ 22.548274] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d [ 22.557694] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3) [ 22.565885] wlp0s3u1i3: authenticated [ 22.569502] wlp0s3u1i3: associate with c4:41:1e:f5:2b:1d (try 1/3) [ 22.578966] wlp0s3u1i3: RX AssocResp from c4:41:1e:f5:2b:1d (capab=0x11 status=30 aid=3) [ 22.579113] wlp0s3u1i3: c4:41:1e:f5:2b:1d rejected association temporarily; comeback duration 1000 TU (1024 ms) [ 23.649518] wlp0s3u1i3: associate with c4:41:1e:f5:2b:1d (try 2/3) [ 23.752528] wlp0s3u1i3: RX AssocResp from c4:41:1e:f5:2b:1d (capab=0x11 status=0 aid=3) [ 23.797450] wlp0s3u1i3: associated [ 24.959527] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 24.959640] BUG: unable to handle page fault for address: ffff88800c223200 [ 24.959706] #PF: supervisor instruction fetch in kernel mode [ 24.959788] #PF: error_code(0x0011) - permissions violation [ 24.959846] PGD 2c01067 P4D 2c01067 PUD 2c02067 PMD c2a8063 PTE 800000000c223163 [ 24.959957] Oops: 0011 [#1] PREEMPT SMP [ 24.960009] CPU: 0 PID: 391 Comm: wpa_supplicant Not tainted 6.2.0-kvm #18 [ 24.960089] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.1-2.fc37 04/01/2014 [ 24.960191] RIP: 0010:0xffff88800c223200 [ 24.960446] RSP: 0018:ffffc90000ff7698 EFLAGS: 00010282 [ 24.960513] RAX: ffff888028397010 RBX: ffff88800c26e630 RCX: 0000000000000058 [ 24.960598] RDX: ffff88800c26f844 RSI: 0000000000000006 RDI: ffff888028397010 [ 24.960682] RBP: ffff88800ea72f00 R08: 18b873fbab2b964c R09: be06b38235f3c63c [ 24.960766] R10: 18b873fbab2b964c R11: be06b38235f3c63c R12: 000000000

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

cpe linux/linux kernel6.3
vendor Linux Linux d1369e515efe6b5d04e9a5f5884106643f7b1d8a <53edfda851dd1ce41ac049ce2f195dc41dd27cc1d1369e515efe6b5d04e9a5f5884106643f7b1d8a <53edfda851dd1ce41ac049ce2f195dc41dd27cc1

How to fix CVE-2023-53086

Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-53086 is not in CISA KEV. FIRST estimates a 21.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Which versions are affected?

Compare what you have installed with linux/linux kernel 6.3; Linux Linux d1369e515efe6b5d04e9a5f5884106643f7b1d8a <53edfda851dd1ce41ac049ce2f195dc41dd27cc1 d1369e515efe6b5d04e9a5f5884106643f7b1d8a <53edfda851dd1ce41ac049ce2f195dc41dd27cc1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 21.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

May 2, 2025 · NIST NVD
Detected
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: do not check WED status for non-mmio devices WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below: [ 21.946627] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d [ 22.525298] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3) [ 22.548274]
Oct 15, 2026 · NIST NVD
Updated
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: do not check WED status for non-mmio devices WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below: [ 21.946627] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d [ 22.525298] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3) [ 22.548274]

Sources

CVE.orgVulnerability recordCVE-2023-53086
Official CVE identifier
cve.org
FIRST EPSSExploitation probabilityCVE-2023-53086
30-day exploitation probability 21.0%
first.org
EUVDVulnerability recordEUVD-2025-13176
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: do not check WED status for non-mmio devices WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below: [ 21.946627] wlp0s3u
euvd.enisa.europa.eu
NIST NVDVulnerability recordCVE-2023-53086
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: do not check WED status for non-mmio devices WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below: [ 21.946627] wl
nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

Priority score

22/100

Evidence confidence: High

A vendor or government advisory agrees with at least one other source.

Confirmed exploitation0/30
EPSS probability4/20
CVSS severity13/15
Public exploit0/10
Internet exposure0/10
Product prevalence5/5
Threat research0/5

Decision signals

Four separate signals — do not infer one from another.

High

CVSS severity
8.8 v3.1
Technical impact. Separate from exploitation likelihood.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS probability
21.00% · p10.16%
Estimated probability of exploitation within 30 days (FIRST).
Known exploitation
No verified KEV listing
Evidence from CISA KEV or VulnCheck KEV only — not from EPSS alone.
Patch availability
Version ranges on file
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

Stacks

F5 Linux

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