kernel: nfsd: release svc_expkey/svc_export with rcu_work

In the Linux kernel, the following vulnerability has been resolved: nfsd: release svcexpkey/svcexport with rcuwork The last reference for cachehead can be reduced to zero in cshow and eshowusing rcureadlock and rcureadunlock. Consequently, svcexportput and expkeyput will be invoked, leading to tw...

kernel: Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix using rcureadunlock while iterating The usage of rcureadunlock while inside listforeachentryrcu is not safe since for the most part entries fetched this way shall be treated as rcudereference: Note that t...

AZL-70162 CVE-2025-37884 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

DEBIAN-CVE-2025-37884

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

CVE-2025-37884

CVE-2025-37884: In the Linux kernel, a deadlock between rcu_tasks_trace and event_mutex was fixed. The issue manifested in _free_event() calling perf_trace_event_unreg() under mutex_lock(&event_mutex) while perf_kprobe_destroy() could synchronize_rcu_tasks_trace(), and in bpf_prog_test_run_syscal...

CVE-2025-37884 bpf: Fix deadlock between rcu_tasks_trace and event_mutex.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock between rcutaskstrace and eventmutex. Fix the following deadlock: CPU A freeevent perfkprobedestroy mutexlock&eventmutex perftraceeventunreg synchronizercutaskstrace There are several paths where freeevent grabs...

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 deadlock between rcutaskstrace and eventmutex...

SUSE CVE-2022-49920

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: netlink notifier might race to release objects commit release path is invoked via callrcu and it runs lockless to release the objects after rcu grace period. The netlink notifier handler might win race to...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21763)

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-2025-21763 advisory. - In the Linux kernel, the following vulnerability has been resolved: neighbour: use RCU protection in...

CBL Mariner 2.0 Security Update: kernel (CVE-2025-21763)

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-2025-21763 advisory. - In the Linux kernel, the following vulnerability has been resolved: neighbour: use RCU protection in...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21761)

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-2025-21761 advisory. - In the Linux kernel, the following vulnerability has been resolved: openvswitch: use RCU protection in...

CBL Mariner 2.0 Security Update: kernel (CVE-2025-21762)

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-2025-21762 advisory. - In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arpxmit arpxm...

CBL Mariner 2.0 Security Update: kernel (CVE-2025-21764)

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-2025-21764 advisory. - In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndiscallocs...

DEBIAN-CVE-2022-49920

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: netlink notifier might race to release objects commit release path is invoked via callrcu and it runs lockless to release the objects after rcu grace period. The netlink notifier handler might win race to...

DEBIAN-CVE-2022-49810

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing xasretry calls in xarray iteration netfslib has a number of places in which it performs iteration of an xarray whilst being under the RCU read lock. It should call xasretry as the first thing inside of the loop...

UBUNTU-CVE-2022-49810

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing xasretry calls in xarray iteration netfslib has a number of places in which it performs iteration of an xarray whilst being under the RCU read lock. It should call xasretry as the first thing inside of the loop...

CVE-2025-37790

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup...

CVE-2022-49920 netfilter: nf_tables: netlink notifier might race to release objects

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: netlink notifier might race to release objects commit release path is invoked via callrcu and it runs lockless to release the objects after rcu grace period. The netlink notifier handler might win race to...

CVE-2022-49810 netfs: Fix missing xas_retry() calls in xarray iteration

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing xasretry calls in xarray iteration netfslib has a number of places in which it performs iteration of an xarray whilst being under the RCU read lock. It should call xasretry as the first thing inside of the loop...

CVE-2025-37790

The CVE-2025-37790 issue concerns the Linux kernel: specifically the net: mctp: Set SOCK_RCU_FREE path where a socket could disappear during a Bind lookup that runs under RCU. The vulnerability arises from the Bind lookup performing operations under RCU, potentially leading to use-after-free scen...