CVE-2026-63940

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM Secure Encrypted Virtualization SEV module. This vulnerability occurs because the system does not properly handle Port I/O requests with a length of zero. An attacker, potentially from a guest virtual machine, could exploit...

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...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2755)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via...

EulerOS Virtualization 2.12.0 : openjpeg2 (EulerOS-SA-2026-2789)

According to the versions of the openjpeg2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opjpiinitialiseencode in the library...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2754)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Requests is a HTTP library. Prior to version 2.33.0, the requests.utils.extractzippedpaths utility function uses a predictable filename whe...

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 2.10.0 : zlib (EulerOS-SA-2026-2874)

According to the versions of the zlib package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : zlib before 1.3.2 allows CPU consumption via crc32combine64 and crc32combinegen64 because x2nmodp can do right shifts within a loop th...

Oracle Linux 10 : kernel (ELSA-2026-18134)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-18134 advisory. - crypto: ccp - copy IV using skcipher ivsize CKI Backport Bot RHEL-188463 CVE-2026-53016 - futex/requeue: Revert 'Prevent NULL pointer dereference i...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2735)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to...

EulerOS Virtualization 2.12.0 : libgcrypt (EulerOS-SA-2026-2781)

According to the versions of the libgcrypt package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to...