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

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

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...

Azure Linux 3.0 Security Update: kernel (CVE-2024-53180)

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-2024-53180 advisory. - In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Add sanity NULL check for the...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-53180)

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-2024-53180 advisory. - In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Add sanity NULL check for the...

Linux Distros Unpatched Vulnerability : CVE-2022-48839

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv i...

Linux Distros Unpatched Vulnerability : CVE-2018-7740

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The resvmaprelease function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service BUG via a crafted application tha...

CVE-2025-21778

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not allow mmap of persistent ring buffer When trying to mmap a trace instance buffer that is attached to reservemem, it would crash: BUG: unable to handle page fault for address: ffffe97bd00025c8 PF: supervisor read...

DEBIAN-CVE-2025-21778

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not allow mmap of persistent ring buffer When trying to mmap a trace instance buffer that is attached to reservemem, it would crash: BUG: unable to handle page fault for address: ffffe97bd00025c8 PF: supervisor read...

UBUNTU-CVE-2025-21778

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not allow mmap of persistent ring buffer When trying to mmap a trace instance buffer that is attached to reservemem, it would crash: BUG: unable to handle page fault for address: ffffe97bd00025c8 PF: supervisor read...

SUSE CVE-2022-49076

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Fix use-after-free bug for mm struct Under certain conditions, such as MPIAbort, the hfi1 cleanup code may represent the last reference held on the task mm. hfi1mmurbunregister then drops the last reference and the mm ...

SUSE CVE-2022-49272

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock with buffermutex and mmaplock syzbot caught a potential deadlock between the PCM runtime-buffermutex and the mm-mmaplock. It was brought by the recent fix to cover the racy read/write and other...

SUSE CVE-2022-49607

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix data race between perfeventsetoutput and perfmmapclose Yang Jihing reported a race between perfeventsetoutput and perfmmapclose: CPU1 CPU2 perfmmapclosee2 if atomicdecandtest&e2-rb-mmapcount // 1 - 0 detachrest =...

CVE-2025-21778 tracing: Do not allow mmap() of persistent ring buffer

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not allow mmap of persistent ring buffer When trying to mmap a trace instance buffer that is attached to reservemem, it would crash: BUG: unable to handle page fault for address: ffffe97bd00025c8 PF: supervisor read...

CVE-2025-21778

CVE-2025-21778 : In the Linux kernel, a fault occurs when mmap() is used on a trace ring buffer attached to reserve_mem. The mapping relied on virt_to_page() which does not work with vmap’d memory, causing a kernel oops during access. The fix disables mmap() for such persistent ring buffers (rese...

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 dupmmap failure and an uprobe registration issue...

PT-2025-8792 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been identified, related to the handling of memory allocation failures during dup mmap and uprobe registration. If a memory allocation fails, th...