Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989571)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989571 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtime...

CVE-2023-53712

CVE-2023-53712 relates to the Linux kernel ARM kexec crash handling where the SMP stop notification can be triggered synchronously with interrupts disabled during a crash path. The root issue occurs when a panic is caused by a hrtimer interrupt, which would notify all online CPUs and set them off...

PT-2025-46638

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the scheduling/deadline component. A kernel warning can occur when a CPU removal operation is performed using drmgr, specifically with the command...

PT-2025-38550

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The set track prepare function in the Linux kernel can incur lock recursion. This issue arises when called from hrtimer start range ns while holding the per cpuhrtimer basesn.lock. When...

LoongArch: KVM: Mark hrtimer to expire in hard interrupt context

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CVE-2025-38508

CVE-2025-38508 : In the Linux kernel, the fix for SEV-SNP timekeeping uses the firmware-provided TSC_FACTOR to compute the mean TSC frequency, addressing clock skew between the hypervisor and SEV-SNP guests that caused hrtimers to fire early. The change applies to x86/sev Secure TSC handling and ...

AZL-72590 CVE-2025-38335 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: Input: gpio-keys - fix a sleep while atomic with PREEMPTRT When enabling PREEMPTRT, the gpiokeysirqtimer callback runs in hard irq context, but the inputevent takes a spinlock, which isn't allowed there as it is converted to a...

PT-2025-29057

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw related to the handling of interrupts within the gpio-keys driver when the PREEMPT RT patch is enabled. Specifically, the gpio keys irq timer callback...

UBUNTU-CVE-2025-38017

In the Linux kernel, the following vulnerability has been resolved: fs/eventpoll: fix endless busy loop after timeout has expired After commit 0a65bc27bd64 "eventpoll: Set epoll timeout if it's in the future", the following program would immediately enter a busy loop in the kernel: int main int e...

DEBIAN-CVE-2025-38004

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking for bcmop runtime updates The CAN broadcast manager CAN BCM can send a sequence of CAN frames via hrtimer. The content and also the length of the sequence can be changed resp reduced at runtime where the...

CVE-2011-4574

PolarSSL versions prior to v1.1 use the HAVEGE random number generation algorithm. At its heart, this uses timing information based on the processor's high resolution timer the RDTSC instruction. This instruction can be virtualized, and some virtual machine hosts have chosen to disable this...

UBUNTU-CVE-2024-53089

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Mark hrtimer to expire in hard interrupt context Like commit 2c0d278f3293f "KVM: LAPIC: Mark hrtimer to expire in hard interrupt context" and commit 9090825fa9974 "KVM: arm/arm64: Let the timer expire in hardirq...

DEBIAN-CVE-2024-50100

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: dummy-hcd: Fix "task hung" problem The syzbot fuzzer has been encountering "task hung" problems ever since the dummy-hcd driver was changed to use hrtimers instead of regular timers. It turns out that the problems ar...

UBUNTU-CVE-2024-50100

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: dummy-hcd: Fix "task hung" problem The syzbot fuzzer has been encountering "task hung" problems ever since the dummy-hcd driver was changed to use hrtimers instead of regular timers. It turns out that the problems ar...

CVE-2024-50100 USB: gadget: dummy-hcd: Fix "task hung" problem

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: dummy-hcd: Fix "task hung" problem The syzbot fuzzer has been encountering "task hung" problems ever since the dummy-hcd driver was changed to use hrtimers instead of regular timers. It turns out that the problems ar...

UBUNTU-CVE-2024-41045

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer work in bpftimercancelandfree Currently, the same case as previous patch two timer callbacks trying to cancel each other can be invoked through bpfmapupdateelem as well, or more precisely, freeing map elements containi...

DEBIAN-CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

PolarSsl 安全特征问题漏洞

PolarSsl Mbed Tls is a portable, easy to use, readable and flexible Ssl library. A security signature issue vulnerability exists in PolarSSL due to the product's use of the HAVEGE algorithm to generate random numbers and the algorithm is based on timing information from the processor's...

Huawei EulerOS: Security Advisory for kvm (EulerOS-SA-2019-1370)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer

A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor emulates a preemption timer for L2 guests when nested =1 virtualization is enabled. This high resolution timerhrtimer runs when a L2 guest is active. After VM exit, the syncvmcs12 timer object is stopped. The...