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...

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...

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...

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

CVE-2025-21853 affects the Linux kernel BPF mmap path. The issue arises from holding map->freeze_mutex for the entire duration of mmap mm/VMA manipulations when ensuring writeable map contents, which could deadlock. The fixed approach holds freeze_mutex only during writeability checks, increme...

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...

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...

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 holding freezemutex during an mmap operation, which could result in a deadlock...

kernel: scsi: megaraid_sas: Fix for a potential deadlock

In the Linux kernel, the following vulnerability has been resolved: scsi: megaraidsas: Fix for a potential deadlock This fixes a 'possible circular locking dependency detected' warning CPU0 CPU1 ---- ---- lock&instance-resetmutex; lock&shost-scanmutex; lock&instance-resetmutex;...

kernel: scsi: megaraid_sas: Fix for a potential deadlock

In the Linux kernel, the following vulnerability has been resolved: scsi: megaraidsas: Fix for a potential deadlock This fixes a 'possible circular locking dependency detected' warning CPU0 CPU1 ---- ---- lock&instance-resetmutex; lock&shost-scanmutex; lock&instance-resetmutex;...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-57900)

The version of kernel installed on the remote CBL Mariner 2.0 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...

leds: class: Protect brightness_show() with led_cdev->led_access mutex

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Linux Distros Unpatched Vulnerability : CVE-2024-56631

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Fix slab-use-after-free read in sgrelease Fix a use-after-free bug in sgrelease,...

Linux Distros Unpatched Vulnerability : CVE-2024-57900

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ila: serialize calls to nfregisternethooks syzbot found a race in ilaaddmapping 1 commit 031ae72825ce ila: call nfunregisternethooks sooner attempted to fix a...

Linux Distros Unpatched Vulnerability : CVE-2024-49903

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - jfs: Fix uaf in dbFreeBits syzbot reported ================================================================== BUG: KASAN: slab-use-after-free in mutexlockcommon...

Linux Distros Unpatched Vulnerability : CVE-2024-57893

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ALSA: seq: oss: Fix races at processing SysEx messages OSS sequencer handles the SysEx messages split in 6 bytes packets, and ALSA sequencer OSS layer tries to...

Linux Distros Unpatched Vulnerability : CVE-2024-56655

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: do not defer rule destruction via callrcu nftableschaindestroy can slee...