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-2025-21848

The CVE-2025-21848 issue affects the Linux kernel where nfp_bpf_cmsg_alloc() fails to check the return value of nfp_app_ctrl_msg_alloc(), leading to a NULL pointer dereference. The connected sources confirm this root cause and indicate a patch was added to perform the necessary check to prevent t...

CVE-2025-21848 nfp: bpf: Add check for nfp_app_ctrl_msg_alloc()

In the Linux kernel, the following vulnerability has been resolved: nfp: bpf: Add check for nfpappctrlmsgalloc Add check for the return value of nfpappctrlmsgalloc in nfpbpfcmsgalloc to prevent null pointer dereference...

CVE-2025-21848

In the Linux kernel, the following vulnerability has been resolved: nfp: bpf: Add check for nfpappctrlmsgalloc Add check for the return value of nfpappctrlmsgalloc in nfpbpfcmsgalloc to prevent null pointer dereference...

CVE-2024-58088 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...

CVE-2024-58088 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...

CVE-2024-58088 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...

CVE-2024-58088

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...

USN-7332-2 linux-kvm vulnerabilities

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-7332-2: Linux kernel vulnerabilities

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

The vulnerability of the btf_type_is_void() function (kernel/bpf/btf.c) in Linux operating systems allows a hacker to increase their privileges.

The vulnerability of the btftypeisvoid function kernel/bpf/btf.c in Linux operating systems is related to the use of memory and its subsequent release. Exploiting this vulnerability can allow an attacker to increase their privileges...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7344-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7344-1 advisory. Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use...

SUSE CVE-2024-58070

In the Linux kernel, the following vulnerability has been resolved: bpf: bpflocalstorage: Always use bpfmemalloc in PREEMPTRT In PREEMPTRT, kmallocGFPATOMIC is still not safe in non preemptible context. bpfmemalloc must be used in PREEMPTRT. This patch is to enforce bpfmemalloc in the...

SUSE CVE-2025-21825

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

AZL-69488 CVE-2025-21825 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

CVE-2025-21825

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

DEBIAN-CVE-2024-58070

In the Linux kernel, the following vulnerability has been resolved: bpf: bpflocalstorage: Always use bpfmemalloc in PREEMPTRT In PREEMPTRT, kmallocGFPATOMIC is still not safe in non preemptible context. bpfmemalloc must be used in PREEMPTRT. This patch is to enforce bpfmemalloc in the...

DEBIAN-CVE-2024-58060

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject structops registration that uses module ptr and the module btfid is missing There is a UAF report in the bpfstructops when CONFIGMODULES=n. In particular, the report is on tcpcongestionops that has a "struct module...

CVE-2024-58060

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject structops registration that uses module ptr and the module btfid is missing There is a UAF report in the bpfstructops when CONFIGMODULES=n. In particular, the report is on tcpcongestionops that has a "struct module...

UBUNTU-CVE-2024-58070

In the Linux kernel, the following vulnerability has been resolved: bpf: bpflocalstorage: Always use bpfmemalloc in PREEMPTRT In PREEMPTRT, kmallocGFPATOMIC is still not safe in non preemptible context. bpfmemalloc must be used in PREEMPTRT. This patch is to enforce bpfmemalloc in the...