CVE-2025-40142

CVE-2025-40142 affects the Linux kernel’s ALSA PCM path. The function snd_pcm_group_lock_irq() acquires a spinlock_t using spin_lock_irq(), which disables interrupts and implicitly affects softirq handling. On PREEMPT_RT, softirqs are preemptible and spin_lock_irq() does not disable them, allowin...

CVE-2025-40142 ALSA: pcm: Disable bottom softirqs as part of spin_lock_irq() on PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Disable bottom softirqs as part of spinlockirq on PREEMPTRT sndpcmgrouplockirq acquires a spinlockt and disables interrupts via spinlockirq. This also implicitly disables the handling of softirqs such as TIMERSOFTIRQ. ...

CVE-2025-40120

Technical details about CVE-2025-40120 are not publicly disclosed in the provided connected documents. The SUSE/OpenVAS entries reference the CVE but do not supply affected products, versions, root cause, or fixes. Monitor for official advisories for specifics.

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 a potential deadlock when nrrequests grows, which could lead to memory allocation problems...

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 an undisabled bottom soft interrupt on PREEMPTRT, which could lead to a deadlock...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990845)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990845 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix idatasem unlock order in ext4indmigrate Fuzzing reports a possible deadlock in...

Linux Distros Unpatched Vulnerability : CVE-2025-40142

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ALSA: pcm: Disable bottom softirqs as part of spinlockirq on PREEMPTRT sndpcmgrouplockirq acquires a spinlockt and disables interrupts via spinlockirq. This als...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990849)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990849 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring/rw: fix missing NOWAIT check for ODIRECT start write When iouring starts a write, it'll...

Linux Distros Unpatched Vulnerability : CVE-2025-40146

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - blk-mq: fix potential deadlock while nrrequests grown Allocate and free schedtags while queue is freezed can deadlock1, this is a long term problem, hence...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990776)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990776 advisory. In the Linux kernel, the following vulnerability has been resolved: igb: revert rtnllock that causes deadlock The commit 6faee3d4ee8b igb: Add lock to avoid data rac...

kernel: 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...

kernel: bpf: Fix deadlock when freeing cgroup storage

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock when freeing cgroup storage The following commit bc235cdb423a "bpf: Prevent deadlock from recursive bpftaskstorageget|delete" first introduced deadlock prevention for fentry/fexit programs attaching on...

kernel: io_uring/rw: fix missing NOWAIT check for O_DIRECT start write

In the Linux kernel, the following vulnerability has been resolved: iouring/rw: fix missing NOWAIT check for ODIRECT start write When iouring starts a write, it'll call kiocbstartwrite to bump the super block rwsem, preventing any freezes from happening while that write is in-flight. The freeze...

kernel: Linux kernel (CAN J1939): Denial of Service via deadlock

A flaw was found in the Linux kernel. A local user with low privileges could exploit a deadlock vulnerability in the Controller Area Network CAN bus J1939 protocol implementation. This occurs when specific data transfer and error queue handling events coincide with a network interface going down...

kernel: bpf: Fix deadlock when freeing cgroup storage

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock when freeing cgroup storage The following commit bc235cdb423a "bpf: Prevent deadlock from recursive bpftaskstorageget|delete" first introduced deadlock prevention for fentry/fexit programs attaching on...

MGASA-2025-0270 Updated xen packages fix security vulnerabilities

Double unlock in x86 guest IRQ handling. CVE-2024-31143 Xapi: Metadata injection attack against backup/restore functionality. CVE-2024-31144 Error handling in x86 IOMMU identity mapping. CVE-2024-31145 PCI device pass-through with shared resources. CVE-2024-31146 x86: Deadlock in vlapicerror...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990479)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990479 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Return error code in mdp5piperelease when deadlock is detected mdp5getglobalstate...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990459)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990459 advisory. In the Linux kernel, the following vulnerability has been resolved: drivers: tty: serial: Fix deadlock in sa1100settermios There is a deadlock in sa1100settermios,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990555)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990555 advisory. In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192u: Fix deadlock in ieee80211beaconsstop There is a deadlock in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990422)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990422 advisory. In the Linux kernel, the following vulnerability has been resolved: md/raid5: fix deadlock that raid5d wait for itself to clear MDSBCHANGEPENDING Xiao reported that...