VulnerabilityPublished 27 May 2026Updated 6 Nov 2026

CVE-2026-46091: Linux kernel · media: rc: igorplugusb: heed coherency rules

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in eac69475b01fe1e861dfe3960b57fa95671c132e : update Linux kernel when convenient.

Data as of 6 Nov 2026, 16:34 UTC

Severity

Unrated

Rated by Threat Radar · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Exploitation: No evidence of active exploitation and no public proof of concept
Automatable: Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact: Limited control over the software or limited information exposure

CISA SSVC assessment, 2026-11-06.

Patch

Available – fixed in eac69475b01fe1e861dfe3960b57fa95671c132e, bc04b8633b375af6ac8a8bb615258b80fe06cdaa, a62ca67e3c72fb297dc7c86495ba8f7329d7f150 +5

Exploitation evidence

Disclosed: evidence found.
CVE published 27 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 6 Nov 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected ≥ b1c97193c6437a6083da67f8e97c8ee29b2f1989, < eac69475b01fe1e861dfe3960b57fa95671c132e	Fixed in eac69475b01fe1e861dfe3960b57fa95671c132e
LinuxLinux	Affected ≥ b1c97193c6437a6083da67f8e97c8ee29b2f1989, < bc04b8633b375af6ac8a8bb615258b80fe06cdaa	Fixed in bc04b8633b375af6ac8a8bb615258b80fe06cdaa
LinuxLinux	Affected ≥ b1c97193c6437a6083da67f8e97c8ee29b2f1989, < a62ca67e3c72fb297dc7c86495ba8f7329d7f150	Fixed in a62ca67e3c72fb297dc7c86495ba8f7329d7f150
LinuxLinux	Affected ≥ b1c97193c6437a6083da67f8e97c8ee29b2f1989, < 81f0fb813e4bf28b3ca28dc218938a32eb48f740	Fixed in 81f0fb813e4bf28b3ca28dc218938a32eb48f740
LinuxLinux	Affected ≥ b1c97193c6437a6083da67f8e97c8ee29b2f1989, < 18d6a7c9e4e63c57157e9a57dd9bf3cd38e4c45a	Fixed in 18d6a7c9e4e63c57157e9a57dd9bf3cd38e4c45a
LinuxLinux	Affected ≥ b1c97193c6437a6083da67f8e97c8ee29b2f1989, < 0e84aa8fc23c7578f105e3a2160f9d0aa2bed79a	Fixed in 0e84aa8fc23c7578f105e3a2160f9d0aa2bed79a

Description

In the Linux kernel, the following vulnerability has been resolved: media: rc: igorplugusb: heed coherency rules In a control request, the USB request structure can be subject to DMA on some HCs. Hence it must obey the rules for DMA coherency. Allocate it separately.

References

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