CLSA-2025-1747688581 kernel: Fix of 15 CVEs

media: uvcvideo: Fix double free in error path CVE-2024-57980 - vrf: use RCU protection in l3mdevl3out CVE-2025-21791 - geneve: Fix use-after-free in genevefinddev. CVE-2025-21858 - ibmvnic: Don't reference skb after sending to VIOS CVE-2025-21855 - pfifotailenqueue: Drop new packet when...

PT-2025-24353

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the generation of procfs content for a bcm op that is in the process of being removed, which might show...

kernel: s390/idle: mark arch_cpu_idle() noinstr

A kernel warning vulnerability was found in the s390 architecture idle handling in the Linux kernel. The archcpuidle function was not marked as noinstr no instrumentation, causing RCU and tracing warnings when ftrace is enabled. This can trigger kernel warnings and potential issues with tracing i...

kernel: mptcp: init: protect sched with rcu_read_lock

In the Linux kernel, the following vulnerability has been resolved: mptcp: init: protect sched with rcureadlock Enabling CONFIGPROVERCULIST with its dependence CONFIGRCUEXPERT creates this splat when an MPTCP socket is created: ============================= WARNING: suspicious RCU usage 6.12.0-rc...

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: net: sched: fix use-after-free in taprio_change()

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix use-after-free in tapriochange In 'tapriochange', 'admin' pointer may become dangling due to sched switch / removal caused by 'advancesched', and critical section protected by 'q-currententrylock' is too small to...

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-2025-21761)

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-2025-21763)

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-2025-21763)

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-2025-21762)

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...