Skip to main content
CVE-2026-98021VulnerabilityPublished Updated

Microsoft · net: reject oversized tx_queue_len at netlink parse time

Affects MicrosoftSource GCVE Database

0
Compare
Authoritative record:CVE-2026-98021· Medium

Not known to be exploited · fixed in a638a2625aa83160a394abe8e8b2e524a80c771b : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in a638a2625aa83160a394abe8e8b2e524a80c771b, 45ca9f59b6c7ea70e0a17054902b8a556913db34, 26ee5f99ffe7ab98e635071290eff14192e9e34a +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 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
  • ≥ 38f7b870d4a6a5d3ec21557e849620cb7d032965, < a638a2625aa83160a394abe8e8b2e524a80c771b
Fixed in
  • a638a2625aa83160a394abe8e8b2e524a80c771b
LinuxLinuxAffected
  • ≥ 38f7b870d4a6a5d3ec21557e849620cb7d032965, < 45ca9f59b6c7ea70e0a17054902b8a556913db34
Fixed in
  • 45ca9f59b6c7ea70e0a17054902b8a556913db34
LinuxLinuxAffected
  • ≥ 38f7b870d4a6a5d3ec21557e849620cb7d032965, < 26ee5f99ffe7ab98e635071290eff14192e9e34a
Fixed in
  • 26ee5f99ffe7ab98e635071290eff14192e9e34a
LinuxLinuxAffected
  • ≥ 38f7b870d4a6a5d3ec21557e849620cb7d032965, < 2fd0880f0272ec022906a05587fd91416ebecc38
Fixed in
  • 2fd0880f0272ec022906a05587fd91416ebecc38
LinuxLinuxAffected
  • ≥ 38f7b870d4a6a5d3ec21557e849620cb7d032965, < 1aa9e143bf51405665a793d4cc925e1c4f0c5922
Fixed in
  • 1aa9e143bf51405665a793d4cc925e1c4f0c5922
LinuxLinuxAffected
  • =2.6.23
Fixed in–

Description

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

References

Community reviews

Loading reviews…