Security update for xen

This update for xen fixes the following issues: Update to Xen 4.20.2 jscPED-8907. Security issues fixed: CVE-2025-58149: incorrect removal of permissions on PCI device unplug allows PV guests to access memory of devices no longer assigned to it XSA-476, bsc1252692. Other issues fixed: Failure to...

CVE-2025-62863

Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM PCIe driver that could result in an out-of-bounds write within PCIe driver’s S-EL0 address space...

CVE-2025-68310

In the Linux kernel, the following vulnerability has been resolved: s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump Do not block PCI config accesses through pcicfgaccesslock when executing the s390 variant of PCI error recovery: Acquire just devicelock instead of pcidevlock as...

UBUNTU-CVE-2025-68310

In the Linux kernel, the following vulnerability has been resolved: s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump Do not block PCI config accesses through pcicfgaccesslock when executing the s390 variant of PCI error recovery: Acquire just devicelock instead of pcidevlock as...

UBUNTU-CVE-2025-68309

In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fix NULL pointer access by aerinfo The kzallocGFPKERNEL may return NULL, so all accesses to aerinfo-xxx will result in kernel panic. Fix it...

CVE-2025-68310

CVE-2025-68310 : Linux kernel fix for a deadlock between PCI error recovery and mlx5 crdump on s390. The patch avoids blocking PCI config accesses by PCI error recovery code by acquiring only device_lock() (not pci_dev_lock()), preventing hangs in mlx5_health_unload and crdump collection when PCI...

CVE-2025-68310 s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump

In the Linux kernel, the following vulnerability has been resolved: s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump Do not block PCI config accesses through pcicfgaccesslock when executing the s390 variant of PCI error recovery: Acquire just devicelock instead of pcidevlock as...

CVE-2025-68310 s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump

In the Linux kernel, the following vulnerability has been resolved: s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump Do not block PCI config accesses through pcicfgaccesslock when executing the s390 variant of PCI error recovery: Acquire just devicelock instead of pcidevlock as...

CVE-2025-68309

CVE-2025-68309 concerns the Linux kernel PCI/ AER subsystem. The issue arises when kzalloc(GFP_KERNEL) returns NULL, leading to dereferencing aer_info->xxx and causing a kernel panic. The vulnerability is mitigated by the published fix that ensures NULL pointer handling for aer_info fields, cl...

USN-7938-1 linux-azure-5.15 vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

CVE-2025-68176

In the Linux kernel, the following vulnerability has been resolved: PCI: cadence: Check for the existence of cdnspcie::ops before using it cdnspcie::ops might not be populated by all the Cadence glue drivers. This is going to be true for the upcoming Sophgo platform which doesn't set the ops...

UBUNTU-CVE-2025-68176

In the Linux kernel, the following vulnerability has been resolved: PCI: cadence: Check for the existence of cdnspcie::ops before using it cdnspcie::ops might not be populated by all the Cadence glue drivers. This is going to be true for the upcoming Sophgo platform which doesn't set the ops...

CVE-2025-68213 idpf: fix possible vport_config NULL pointer deref in remove

In the Linux kernel, the following vulnerability has been resolved: idpf: fix possible vportconfig NULL pointer deref in remove Attempting to remove the driver will cause a crash in cases where the vport failed to initialize. Following trace is from an instance where the driver failed during an...

CVE-2025-68176 PCI: cadence: Check for the existence of cdns_pcie::ops before using it

In the Linux kernel, the following vulnerability has been resolved: PCI: cadence: Check for the existence of cdnspcie::ops before using it cdnspcie::ops might not be populated by all the Cadence glue drivers. This is going to be true for the upcoming Sophgo platform which doesn't set the ops...

Ampere Computing多款产品 安全漏洞

Ampere Computing AmpereOne AC03 and others are a processor chip from Ampere Computing, USA. A security vulnerability exists in various Ampere Computing products, which stems from an SMC call format error that could result in an out-of-bounds write to the PCIe driver S-EL0 address space. The...

Linux Distros Unpatched Vulnerability : CVE-2025-68310

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump Do not block PCI config accesses through pcicfgaccesslock when executing the s390 variant of...

PT-2025-51722

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.14.0-570.12.1.bringup7.el9.s390x 1 Description The Linux kernel contained a flaw where a deadlock could occur between PCI error recovery and mlx5 crdump operations on the s390 architecture. Specifically, the...

PT-2025-51755

Name of the Vulnerable Software and Affected Versions AmpereOne AC03 versions prior to 3.5.9.3 AmpereOne AC04 versions prior to 4.4.5.2 AmpereOne M versions prior to 5.4.5.1 Description The software contains a flaw where an incorrectly formed System Management Call SMC to the UEFI-MM PCIe driver...

PT-2025-51589

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw where cdns pcie::ops may not be populated by all Cadence glue drivers, potentially leading to a NULL pointer dereference. This is anticipated to occur on...

Ubuntu 24.04 LTS / 25.04 : Linux kernel (Azure) vulnerabilities (USN-7934-1)

The remote Ubuntu 24.04 LTS / 25.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7934-1 advisory. It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest...