CVE-2026-4672 Missing Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with guest-role permissions to access test report contents they were not authorized to...

OPENSUSE-SU-2026:21476-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issues: - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation bsc1266603. - CVE-2026-56852: golang.org/x/text/unicode/norm: improper handling of inp...

Linux Distros Unpatched Vulnerability : CVE-2026-62429

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Accessing the vNUMA configuration data of a guest is still possible when domain destruction has already started. The cleaning up of that configuration informati...

kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources

A flaw was found in the Linux kernel on ARM processors. A race condition in Translation Lookaside Buffer Invalidation TLBI operations during memory permission changes allows a local attacker to write to memory resources owned by higher privilege levels. This could allow an unprivileged local...

CVE-2026-62434

A flaw was found in Xen. When a guest operating system is started with Populated on Demand PoD enabled, it can attempt to reclaim memory pages that are not regular guest RAM. This action can lead to the corruption of Xen's memory management state, potentially causing system instability or denial ...

CVE-2026-62429

A flaw was found in Xen. A race condition exists where a guest's virtual Non-Uniform Memory Access vNUMA configuration data can be accessed by a device model even after the guest's domain destruction has started. This occurs because the cleanup of the vNUMA configuration is not synchronized with...

CVE-2026-62430

A flaw was found in Xen. This vulnerability allows a guest operating system to read data beyond its intended memory boundaries, potentially leading to information disclosure. The issue arises from improper synchronization during access to the CMOS Complementary Metal-Oxide-Semiconductor memory. A...

CVE-2026-62434

A guest started with Populated on Demand enabled PoD can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen...

ALPINE-CVE-2026-62434

A guest started with Populated on Demand enabled PoD can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen...

CVE-2026-62429

Accessing the vNUMA configuration data of a guest is still possible when domain destruction has already started. The cleaning up of that configuration information is not synchronized with its retrieval by a device model controlling the guest...

CVE-2026-62430

Accesses to the CMOS memory contents are done using an indirect IO port pair. Therefore Xen needs to cache the guest chosen index, and one of the usages of the index didn't take the necessary locking to avoid concurrent changes. As a result, a guest could change the index after it being checked,...

ALPINE-CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

ALPINE-CVE-2026-62429

Accessing the vNUMA configuration data of a guest is still possible when domain destruction has already started. The cleaning up of that configuration information is not synchronized with its retrieval by a device model controlling the guest...

UBUNTU-CVE-2026-62429

Accessing the vNUMA configuration data of a guest is still possible when domain destruction has already started. The cleaning up of that configuration information is not synchronized with its retrieval by a device model controlling the guest...

UBUNTU-CVE-2026-62434

A guest started with Populated on Demand enabled PoD can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen...

CVE-2026-13871

An insufficient data validation flaw was found in the GuestView component of the Chromium browser. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=497961376...

XenServer Security Update for Multiple Issues

Severity :High Description of Problem Several issueshave beenidentifiedthat affect XenServer 8.4 and XenServer 9. Collectively, these issues may allowa malicious privileged userin a guest VM to compromise or crash the host. Theseissueshavethe following identifiers: CVE-2026-42492XenServer 9 only...

CVE-2026-62434

A guest started with Populated on Demand enabled PoD can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen...

CVE-2026-62434

CVE-2026-62434 affects Xen-based environments where a guest with Populated on Demand (PoD) enabled can reclaim non-regular guest RAM pages, potentially corrupting the guest memory management state. The issue is described consistently across NVD/NVD-linked entries and corroborated by multiple vend...

CVE-2026-62434

A guest started with Populated on Demand enabled PoD can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen...