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VulnerabilityPublished Updated

CVE-2026-93166: Linux kernel · wifi: rtw89: debug: fix off by on in rtw89_ppdu_str()

Affects Linux kernelSource CVE Database V5

0

Not known to be exploited : upgrade to 1908534deb53a018580309be84a4f7dcc9cb1af3 or 876b110114da39cfcf07cd35e2e6213ef6982e4b when convenient.

Data as of 26 Oct 2026, 14:31 UTC

Severity
Low

Rated Low by Threat Radar's AI analysis · CVSS not yet scored by NVD

EPSS
0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1908534deb53a018580309be84a4f7dcc9cb1af3, 876b110114da39cfcf07cd35e2e6213ef6982e4b

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Linux kernel to 1908534deb53a018580309be84a4f7dcc9cb1af3 or 876b110114da39cfcf07cd35e2e6213ef6982e4b.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 419ed7f4a0532e6211f1f73b311859500a63e141, < 1908534deb53a018580309be84a4f7dcc9cb1af3
Fixed in
  • 1908534deb53a018580309be84a4f7dcc9cb1af3
LinuxLinuxAffected
  • ≥ 419ed7f4a0532e6211f1f73b311859500a63e141, < 876b110114da39cfcf07cd35e2e6213ef6982e4b
Fixed in
  • 876b110114da39cfcf07cd35e2e6213ef6982e4b
LinuxLinuxAffected
  • =7.2
Fixed in–

AI-suggested

A fix is available and has been applied in the Linux kernel commits identified by hashes 1908534deb53a018580309be84a4f7dcc9cb1af3 and 876b110114da39cfcf07cd35e2e6213ef6982e4b. Users should update to the fixed versions to remediate this vulnerability.

Description

A vulnerability in the Linux kernel's wifi driver rtw89 was fixed by correcting an off-by-one error in the rtw89_ppdu_str() debug function. The issue involved an incorrect comparison operator that could lead to an out-of-bounds access.

References

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