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CVE-2026-99157VulnerabilityPublished

Microsoft · scsi: bsg: Pass reply_len to bsg_setup_queue() to fit UFS ARPMB replies

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99157· High

Not known to be exploited · fixed in ec6b083915e8146e147314a5f4f1285d07b57bfc : patch Microsoft soon.

Data as of 29 Oct 2026, 11:47 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in ec6b083915e8146e147314a5f4f1285d07b57bfc, 7a755f6d47b811d3abd93c1642ce5e63894540b8, 2effbe746452c108188f85a6951f2b0b65653840

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 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 29 Oct 2026.

What to do

Upgrade Linux to ec6b083915e8146e147314a5f4f1285d07b57bfc, 7a755f6d47b811d3abd93c1642ce5e63894540b8 or 2effbe746452c108188f85a6951f2b0b65653840.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 6ff265fc5ef660499e0edc4641647e99eed3f519, < ec6b083915e8146e147314a5f4f1285d07b57bfc
Fixed in
  • ec6b083915e8146e147314a5f4f1285d07b57bfc
LinuxLinuxAffected
  • ≥ 6ff265fc5ef660499e0edc4641647e99eed3f519, < 7a755f6d47b811d3abd93c1642ce5e63894540b8
Fixed in
  • 7a755f6d47b811d3abd93c1642ce5e63894540b8
LinuxLinuxAffected
  • ≥ 6ff265fc5ef660499e0edc4641647e99eed3f519, < 2effbe746452c108188f85a6951f2b0b65653840
Fixed in
  • 2effbe746452c108188f85a6951f2b0b65653840
LinuxLinuxAffected
  • =6.3
Fixed in–
Red Hatredhat/kernelpkg:rpm/redhat/kernelOther threatsAffected
  • =6.3
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This vulnerability involves the SCSI bsg subsystem where the reply_len parameter is passed to bsg_setup_queue() to accommodate UFS ARPMB replies. The information provided is minimal and does not describe the impact or exploitation details.

References

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