CVE-2022-49755 usb: gadget: f_fs: Prevent race during ffs_ep0_queue_wait

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent race during ffsep0queuewait While performing fast composition switch, there is a possibility that the process of ffsep0write/ffsep0read get into a race condition due to ep0req being freed up from...

CVE-2022-49755

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent race during ffsep0queuewait While performing fast composition switch, there is a possibility that the process of ffsep0write/ffsep0read get into a race condition due to ep0req being freed up from...

CVE-2022-49755

CVE-2022-49755 affects the Linux kernel’s USB gadget path (usb: gadget: f_fs) and specifically the ffs_ep0_queue_wait flow. The vulnerability arises from a race between ffs_ep0_write/ffs_ep0_read and functionfs_unbind, where ep0req can be freed and there is no NULL check in ffs_ep0_queue_wait, ri...

DEBIAN-CVE-2024-58090

In the Linux kernel, the following vulnerability has been resolved: sched/core: Prevent rescheduling when interrupts are disabled David reported a warning observed while loop testing kexec jump: Interrupts enabled after irqrouterresume+0x0/0x50 WARNING: CPU: 0 PID: 560 at drivers/base/syscore.c:1...

CVE-2023-53031: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: powerpc/imc-pmu: Fix use of mutex in IRQs disabled section Current imc-pmu code triggers a WARNING with CONFIGDEBUGATOMICSLEEP and CONFIGPROVELOCKING enabled, while running a threadimc event. Command to trigger the warning: perf...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from imc-pmu's incorrect use of a mutex lock in the IRQ disable zone...

CVE-2023-53013: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: ptdma: ptcoreexecutecmd should use spinlock The interrupt handler ptcoreirqhandler of the ptdma driver can be called from interrupt context. The code flow in this function can lead down to ptcoreexecutecmd which will attempt to...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the ptdma driver's use of mutex locks in interrupt contexts...

CVE-2025-24808 Discourse has race condition when adding users to a group DM

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

PT-2025-16774

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel's ALSA timer code has been resolved. The issue involved taking the register mutex with copy from/to user, which can lead to deadlocks when called insi...

Azure Linux 3.0 Security Update: kernel (CVE-2024-57900)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-57900 advisory. - In the Linux kernel, the following vulnerability has been resolved: ila: serialize calls to nfregisternethoo...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56587)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56587 advisory. - In the Linux kernel, the following vulnerability has been resolved: leds: class: Protect brightnessshow with...

Linux DRM Race Condition / Use-After-Free

Linux has an issue where drmfileupdatepid calls getpid too late, which creates a race condition that can lead to use-after-free of a struct pid. I am sending this to security@ and to the drm-misc maintainers - based on...

CVE-2025-21853

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...

AZL-58536 CVE-2025-21853 affecting package kernel for versions less than 5.15.182.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...

DEBIAN-CVE-2025-21853

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...

AZL-58487 CVE-2025-21853 affecting package kernel for versions less than 6.6.82.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...

UBUNTU-CVE-2025-21853

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...

CVE-2025-21853 bpf: avoid holding freeze_mutex during mmap operation

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...

CVE-2025-21853

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...