CVE-2026-62426

A flaw was found in Xen. The system's sysctl operations utilize a global lock that lacks fairness in its acquisition mechanism. Additionally, when Xen Security Modules XSM with Flask are active, this lock can be acquired before proper permission checks are performed. This vulnerability could allo...

SUSE CVE-2026-62427

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...

CVE-2026-62426

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...

CVE-2026-62427

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...

CVE-2026-62427 sysctl and platform-op locks open to abuse

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...

CVE-2026-62426

CVE-2026-62426 concerns sysctl and platform-op locking in Xen environments. The issue arises from system-wide locks used for operations in control domain or Xenstore domain, where lock acquisition lacks fairness. With XSM/Flask enabled, some lock acquisitions can occur before permission checks, c...

CVE-2026-62426 sysctl and platform-op locks open to abuse

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...

CVE-2026-62426

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...

CVE-2026-62427

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...

CVE-2026-62427

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...

sysctl and platform-op locks open to abuse

ISSUE DESCRIPTION To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in parallel, so a system-wide lock each is used. The way those locks are acquired is, however, not providing any...

PT-2026-65468

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To manage the system, sysctl and platform operations are used by the control domain or a possible Xenstore domain. Some of these operations may not be executed in paralle...