kernel: char: tpm: Protect tpm_pm_suspend with locks

In the Linux kernel, the following vulnerability has been resolved: char: tpm: Protect tpmpmsuspend with locks Currently tpm transactions are executed unconditionally in tpmpmsuspend function, which may lead to races with other tpm accessors in the system. Specifically, the hwrandom tpm driver...

PT-2024-14722

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Linux kernel where a synchronous transfer can be active during a system suspend, causing a null pointer dereference exception when the system resumes. This...

kernel: drm/i915: Fix system suspend without fbdev being initialized

A NULL pointer dereference was found in the Linux kernel Intel i915 graphics driver's framebuffer device suspend handling. On platforms without display hardware where fbdev is not initialized, a local user with privileges to initiate system suspend can trigger the suspend path, causing the driver...

kernel: virtio-blk: Avoid use-after-free on suspend/resume

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Avoid use-after-free on suspend/resume hctx-userdata is set to vq in virtblkinithctx. However, vq is freed on suspend and reallocated on resume. So, hctx-userdata is invalid after resume, and it will cause...

kernel: net: wwan: iosm: fix NULL pointer dereference when removing device

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix NULL pointer dereference when removing device In suspend and resume cycle, the removal and rescan of device ends up in NULL pointer dereference. During driver initialization, if the ipcimemwwanchannelinit fai...

kernel: acpi: Fix suspend with Xen PV

In the Linux kernel, the following vulnerability has been resolved: acpi: Fix suspend with Xen PV Commit f1e525009493 "x86/boot: Skip realmode init code when running as Xen PV guest" missed one code path accessing realmodeheader, leading to dereferencing NULL when suspending the system under Xen:...

kernel: char: tpm: Protect tpm_pm_suspend with locks

In the Linux kernel, the following vulnerability has been resolved: char: tpm: Protect tpmpmsuspend with locks Currently tpm transactions are executed unconditionally in tpmpmsuspend function, which may lead to races with other tpm accessors in the system. Specifically, the hwrandom tpm driver...

kernel: virtio_net: fix xdp_rxq_info bug after suspend/resume

In the Linux kernel, the following vulnerability has been resolved: virtionet: fix xdprxqinfo bug after suspend/resume The following sequence currently causes a driver bug warning when using virtionet: ip link set eth0 up echo mem /sys/power/state or e.g. rtcwake -s 10 -m mem ip link set eth0 dow...

PT-2025-40703

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s wwan subsystem, specifically within the iosm component. During a suspend and resume cycle, a NULL pointer dereference can occur during device removal ...

Important: kernel

Issue Overview: A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests. CVE-2023-34324 An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic...

Medium: kernel

Issue Overview: A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests. CVE-2023-34324 In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to uninitialized BOS descriptors CVE-2023-52477 In...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as...

kernel: save/restore speculative MSRs during S3 suspend/resume

A flaw was found in the Linux kernel X86 CPU Power management when resuming CPU from suspend-to-RAM. This issue could allow a local user unauthorized access to memory from the CPU...

RHEL 8 : kernel-rt (RHSA-2023:5794)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:5794 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as...

kernel: save/restore speculative MSRs during S3 suspend/resume

A flaw was found in the Linux kernel X86 CPU Power management when resuming CPU from suspend-to-RAM. This issue could allow a local user unauthorized access to memory from the CPU...

PT-2023-9494 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel version 6.3-intel r1 Description: The vulnerability is related to the iommu/vt-d component of the Linux kernel. It is caused by the allocation of memory with the GFP KERNEL flag during the iommu suspend syscore suspend callback,...

kernel: save/restore speculative MSRs during S3 suspend/resume

A flaw was found in the Linux kernel X86 CPU Power management when resuming CPU from suspend-to-RAM. This issue could allow a local user unauthorized access to memory from the CPU...

kernel: save/restore speculative MSRs during S3 suspend/resume

A flaw was found in the Linux kernel X86 CPU Power management when resuming CPU from suspend-to-RAM. This issue could allow a local user unauthorized access to memory from the CPU...

kernel: save/restore speculative MSRs during S3 suspend/resume

A flaw was found in the Linux kernel X86 CPU Power management when resuming CPU from suspend-to-RAM. This issue could allow a local user unauthorized access to memory from the CPU...