Fedora 44 : xen (2026-839be67202)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-839be67202 advisory. x86/AMD: ineffectual Zenbleed workaround XSA-515, CVE-2026-79608 x86: XPTI may break on huge-memory systems XSA-516, CVE-2026-79609 grant-table:...

SUSE-SU-2026:4732-1 Security update for xen

This update for xen fixes the following issues: - CVE-2026-79609: x86: XPTI may break on huge-memory systems bsc1283321. - CVE-2026-79610: grant-table: double version change race bsc1283322. - CVE-2026-79611: VMX: VMentry failure with branch tracing and blocked states bsc1283323. - CVE-2026-10270...

CVE-2026-79610 grant-table: double version change race

XSA-501 was about issues with v1 - v2 and v2 - v1 changes racing certain other grant table operations. Sadly a v2 - v1 - v2 change has yet another effect which wasn't accounted for: During the first change, status pages would be freed. During the second change they would be allocated again. Hence...

CVE-2026-79610 grant-table: double version change race

XSA-501 was about issues with v1 - v2 and v2 - v1 changes racing certain other grant table operations. Sadly a v2 - v1 - v2 change has yet another effect which wasn't accounted for: During the first change, status pages would be freed. During the second change they would be allocated again. Hence...

CVE-2026-79610

The Xen hypervisor is vulnerable to a grant-table double version change race condition (CWE-362). When performing a v2 -> v1 -> v2 change, status pages are freed during the first transition and re-allocated during the second, causing stale pointers in the status array. This may result in pr...

SUSE-SU-2026:4641-1 Security update for xen

This update for xen fixes the following issues: Security issues fixed: - CVE-2026-79609: x86: XPTI may break on huge-memory systems bsc1283321. - CVE-2026-79610: grant-table: double version change race bsc1283322. - CVE-2026-79611: VMX: VMentry failure with branch tracing and blocked states...

CVE-2026-88860: Incorrect Authorization

Capgo fails to clean up channel permission overrides when a user's last organization role binding is deleted, leaving stale overrides active. Attackers can retain channel-specific permissions after their base RBAC access has been revoked to perform unauthorized actions like changing production OT...

CVE-2026-62436 grant-table: version change racing with other operations

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. With the introduction of Grant Table v2 came the requirement to be able to switch between versions. Switching from v1 to v2 reduces the number of valid grant references, ...

OPENSUSE-SU-2026:21222-1 Security update for systemd

This update for systemd fixes the following issues: Changes in systemd: - Better handle TLS allocation failure bsc1254924. - Disable mounting debugfs by default jscPED-8812. - Import commit 9e8b5afe0fb2061f4a17a3022469dd62f2683960 bsc1267647 bsc1267644 bsc1262305 bsc1263117. - Move systemd-pcrloc...

SUSE SLES16: libsolv-demo / libsolv-devel / libsolv-devel-static / libsolv-tools / etc (SUSE-SU-2026:22172-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22172-1 advisory. Changes in zypper: Update to 1.14.98: - Transactional systems: Delegate rw-commands to transactional-wrapper if available...

SUSE-SU-2026:22172-1 Security update for zypper, libzypp, libsolv

This update for zypper, libzypp, libsolv fixes the following issues: Changes in zypper: Update to 1.14.98: - Transactional systems: Delegate rw-commands to transactional-wrapper if available jscPED-13680, jscPED-15607 On a transactional system where the root filesystem is mounted read-only, zyppe...

SUSE-SU-2026:22221-1 Security update for zypper, libzypp, libsolv

This update for zypper, libzypp, libsolv fixes the following issues: Changes in zypper: Update to 1.14.98: - Transactional systems: Delegate rw-commands to transactional-wrapper if available jscPED-13680, jscPED-15607 On a transactional system where the root filesystem is mounted read-only, zyppe...

CVE-2026-8428

Concrete CMS 9.5.0 and below emits a CSRF token in the localavailableupdate.php view $token-output'doupdate' but the corresponding doupdate method in concrete/controllers/singlepage/dashboard/system/update/update.php never calls $this-token-validate'doupdate'. The form is rendered as a POST form,...

CVE-2026-46740

Mojolicious::Plugin::Statsd versions through 0.04 for Perl allowed metric injections. The metric names and set values were not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metrics. Version 0.06 changes the module from being a stats...

CVE-2026-23558 grant table v2 race in status page mapping

The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapping the status pages via XENMEMaddtophysmap. Some of the status pages may then be freed while...

CVE-2026-23558

The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapping the status pages via XENMEMaddtophysmap. Some of the status pages may then be freed while...

CVE-2026-23558 grant table v2 race in status page mapping

The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapping the status pages via XENMEMaddtophysmap. Some of the status pages may then be freed while...

CVE-2026-23558

The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapping the status pages via XENMEMaddtophysmap. Some of the status pages may then be freed while...

CVE-2026-23558

The Xen hypervisor contains a race condition vulnerability (CVE-2026-23558) occurring when an HVM or PVH guest performs a grant table version change from v2 to v1 simultaneously with mapping status pages via XENMEM_add_to_physmap . This flaw can result in status pages being freed while their mapp...

CVE-2026-23558

The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapping the status pages via XENMEMaddtophysmap. Some of the status pages may then be freed while...