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CVE-2026-45838VulnerabilityPublished Updated

cgroup_storage_get_next_key() · bpf: fix end-of-list detection

Affects MicrosoftSource GCVE Database

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Not known to be exploited.

Data as of 30 Oct 2026, 11:52 UTC

Severity
Medium

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

EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 May 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 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Microsoftmicrosoft/azure-linuxpkg:rpm/microsoft/azure-linuxOther threatsAffected
  • =3.0
Fixed in–

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

AI-suggested

No specific mitigation or workaround information is provided in the available data.

Description

CVE-2026-45838 is a vulnerability related to the bpf subsystem, specifically addressing an issue in end-of-list detection within the cgroup_storage_get_next_key() function. The vulnerability affects Microsoft products including Azure Linux 3.0. No detailed technical exploitation or impact information is provided. There is no CVSS score available for this vulnerability, and no known exploits in the wild have been reported. Patch or remediation status is not confirmed from the provided data.

References

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