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CVE-2026-90109VulnerabilityPublished Updated

gred, bfifo · net: sched: fix 32-bit backlog wrap

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-90109· High

Not known to be exploited · fixed in d98b92f3d57976ae185238946ec5ea0be32195aa : patch Microsoft soon.

Data as of 7 Nov 2026, 12:19 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in d98b92f3d57976ae185238946ec5ea0be32195aa, c5ca77024812563fe15c4f7aa906791c3683e9fd, 771a1123570b487765bcf2d4cff3567e66bf1322 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8, < d98b92f3d57976ae185238946ec5ea0be32195aa
Fixed in
  • d98b92f3d57976ae185238946ec5ea0be32195aa
LinuxLinuxAffected
  • ≥ a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8, < c5ca77024812563fe15c4f7aa906791c3683e9fd
Fixed in
  • c5ca77024812563fe15c4f7aa906791c3683e9fd
LinuxLinuxAffected
  • ≥ a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8, < 771a1123570b487765bcf2d4cff3567e66bf1322
Fixed in
  • 771a1123570b487765bcf2d4cff3567e66bf1322
LinuxLinuxAffected
  • ≥ a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8, < 8b2d8c70b969bf84f9e248bfaf2a7135129f2eb6
Fixed in
  • 8b2d8c70b969bf84f9e248bfaf2a7135129f2eb6
LinuxLinuxAffected
  • ≥ a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8, < 4c660ee8c809637909f4f7eb1017f7b9401c75c4
Fixed in
  • 4c660ee8c809637909f4f7eb1017f7b9401c75c4
LinuxLinuxAffected
  • ≥ a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8, < 3fb51b3960342bbee563543f8d33710fd0fb5a96
Fixed in
  • 3fb51b3960342bbee563543f8d33710fd0fb5a96

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

Community reviews

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