Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: htchst: In the ath9khtcrxmsg function, if there is no callback function, the provided skb is not freed. It is stated that ath9khtcrxmsg either frees the provided skb or passes its management to another callback...

kernel: rcu/nocb: Fix missed RCU barrier on deoffloading

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torturetype=rcu fwdprogress=8 nbarriercbs=8 nocbsnthreads=8 nocbstoggle=100 onoffinterval=60 testboost=2, will trigger the following warning...

CVE-2023-53802

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: htchst: free skb in ath9khtcrxmsg if there is no callback function It is stated that ath9khtcrxmsg either frees the provided skb or passes its management to another callback function. However, the skb is not freed in...

CVE-2023-53802

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: htchst: free skb in ath9khtcrxmsg if there is no callback function It is stated that ath9khtcrxmsg either frees the provided skb or passes its management to another callback function. However, the skb is not freed in...

CVE-2023-53802

CVE-2023-53802 affects the Linux kernel driver wifi/ath9k (htc_hst) where skb memory was not freed when there is no callback function in ath9k_htc_rx_msg(); Syzkaller reported a memory leak. The connected advisories for Unity Linux/SUSE summarize the fix as resolving this by ensuring skb is freed...

Linux Kernel Security Vulnerabilities

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 ath9khtcrxmsg not freeing the skb when there is no callback function, which could lead to a memory leak...

rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer access

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AZL-66893 CVE-2025-38704 affecting package kernel for versions less than 6.6.130.1-3

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix possible invalid rdp's-nocbcbkthread pointer access In the preparation stage of CPU online, if the corresponding the rdp's-nocbcbkthread does not exist, will be created, there is a situation where the rdp's rcuop...

CVE-2025-38704

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix possible invalid rdp's-nocbcbkthread pointer access In the preparation stage of CPU online, if the corresponding the rdp's-nocbcbkthread does not exist, will be created, there is a situation where the rdp's rcuop...

CVE-2025-38704

CVE-2025-38704: In the Linux kernel, a bug in rcu/nocb could access an invalid nocb_cb_kthread pointer during CPU online/offline cycles. The fix changes the safety check to use rdp->nocb_gp_kthread instead of rdp_gp->nocb_gp_kthread. Public advisories from SUSE (SUSE-SU-2026:20220-1, openSU...

Linux Kernel Security Vulnerabilities

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 the RCU nocb not handling the kthread pointer correctly...

rcu/nocb: Fix WARN_ON_ONCE() in the rcu_nocb_bypass_lock()

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SUSE CVE-2024-56547

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torturetype=rcu fwdprogress=8 nbarriercbs=8 nocbsnthreads=8 nocbstoggle=100 onoffinterval=60 testboost=2, will trigger the following warning...

DEBIAN-CVE-2024-56547

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torturetype=rcu fwdprogress=8 nbarriercbs=8 nocbsnthreads=8 nocbstoggle=100 onoffinterval=60 testboost=2, will trigger the following warning...

UBUNTU-CVE-2024-56547

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torturetype=rcu fwdprogress=8 nbarriercbs=8 nocbsnthreads=8 nocbstoggle=100 onoffinterval=60 testboost=2, will trigger the following warning...

rcu/nocb: Fix rcuog wake-up from offline softirq

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DEBIAN-CVE-2024-35929

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix WARNONONCE in the rcunocbbypasslock For the kernels built with CONFIGRCUNOCBCPUDEFAULTALL=y and CONFIGRCULAZY=y, the following scenarios will trigger WARNONONCE in the rcunocbbypasslock and rcunocbwaitcontended...

UBUNTU-CVE-2024-35929

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix WARNONONCE in the rcunocbbypasslock For the kernels built with CONFIGRCUNOCBCPUDEFAULTALL=y and CONFIGRCULAZY=y, the following scenarios will trigger WARNONONCE in the rcunocbbypasslock and rcunocbwaitcontended...