CVE-2026-63938

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM Secure Encrypted Virtualization SEV feature. When processing Page State Change PSC requests, the system does not properly validate the PSC buffer against the effective size of the scratch area. This can occur if a guest...

CVE-2026-63939

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM with Secure Encrypted Virtualization SEV support. This vulnerability arises from an incorrect calculation of the maximum length for the in-Guest-Host Communication Block GHCB scratch area. When processing Page State Change PS...

CVE-2026-63937

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM with Secure Encrypted Virtualization SEV. This time-of-check to time-of-use TOCTOU vulnerability exists when KVM processes the guest-accessible Page State Change PSC buffer. A misbehaving guest could exploit this timing issue...

CVE-2026-63941

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM for arm64 architecture. This vulnerability allows a guest hypervisor with Virtualization Host Extensions VHE to bypass intended security controls. By manipulating the SVE Control Register ZCREL2 through an untrapped access, a...

Security Bulletin: Vulnerability in netty-codec-http affects IBM SAN Volume Controller, IBM Spectrum Virtualize and IBM FlashSystem products

Summary A vulnerability in netty-codec-http affects IBM Storage Virtualize products and could cause an integrity impact. CVE-2025-67735. Vulnerability Details CVEID:CVE-2025-67735 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final...

SUSE-SU-2026:3156-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock bsc1264484. - CVE-2026-46052: ceph: only dadd negative dentries when they are unhashed bsc1267494....

SUSE CVE-2026-63937

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when reading entries/indices from the guest-accessible Page State Change buffer to defend against TOCTOU bugs. Don't bother with READONCE/WRITEONCE...

SUSE CVE-2026-63940

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' or count '0', so that setting up the software scratch area and other code doesn't have to worry about underflowing the length, and...

SUSE CVE-2026-63941

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap ZCREL2 provided by a guest hypervisor ZCREL2 can be updated by a VHE guest hypervisor either using ZCREL2 which traps or ZCREL1 which does not trap. KVM handles both in different way: - on ZCREL2 trap,...

SUSE CVE-2026-64172

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Disable AVIC IPI virtualization on Hygon Family 18h erratum 1235 Hygon Family 18h CPUs are derived from AMD Family 17h Zen1 silicon and share the same erratum 1235: hardware may read a stale IsRunning=1 bit during ICR...

CVE-2026-63806

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. A malicious guest operating system can trigger a host kernel crash, leading to a Denial of Service DoS. This occurs when the guest performs a specific memory write operation that causes an unaligned memory access...

CVE-2026-64172

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM subsystem, specifically affecting Hygon Family 18h processors. Due to an erratum, the hardware may incorrectly read a stale status bit during interrupt processing, preventing the virtual machine from exiting as expected. This...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2757)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Rsync version 3.4.2 and prior contain an integer overflow vulnerability in the compressed-token decoder where a 32-bit signed counter is no...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2737)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauthpassword of the file...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2734)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use TOCTOU race condition in the capsetfile...

EulerOS Virtualization 2.10.1 : ncurses (EulerOS-SA-2026-2830)

According to the versions of the ncurses packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyzestring in...

EulerOS Virtualization 2.10.1 : unbound (EulerOS-SA-2026-2841)

According to the versions of the unbound packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead ...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2761)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the maile...

EulerOS Virtualization 2.10.1 : libssh2 (EulerOS-SA-2026-2827)

According to the versions of the libssh2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauthpassword of the fi...

EulerOS Virtualization 2.10.1 : expat (EulerOS-SA-2026-2818)

According to the versions of the expat package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately...