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CVE-2026-42487VulnerabilityPublished

SUSE · Security update for xen

Affects SUSESource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited.

Data as of 29 Oct 2026, 19:04 UTC

Severity
High

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

EPSS
0.09% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Jun 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

Affected software

ProductAffectedFixed in
SUSE Product Security Team SUSEAffected
  • SUSE
  • aarch64
  • xen-4.20.3_06-150700.3.41.1.aarch64
  • xen-devel-4.20.3_06-150700.3.41.1.aarch64
  • xen-doc-html-4.20.3_06-150700.3.41.1.aarch64
Fixed in–

AI-suggested

A security update has been released by the SUSE Product Security Team to address these vulnerabilities. Users should apply the official SUSE update identified by advisory SUSE-SU-2026:2364-1. Patch status is confirmed by the vendor advisory. No additional mitigation steps are specified.

Description

This update for xen fixes the following issues: - CVE-2026-42487: x86 HVM I/O port list traversal (bsc#1266952). - CVE-2026-42488: x86: mismatched mapcache metadata (bsc#1266955). - CVE-2026-42489,CVE-2026-42490: domctl lock open to abuse (bsc#1266953).

References

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