Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ICMP: Prevent possible NULL dereferencing from icmpbuildprobe. The first issue involves a double call to indevgetrcu; since the second call might return NULL. if indevgetrcudev && indevgetrcudev-ifalist The second issue involv...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: SUNRPC: Fixed a suspicious RCU usage warning I received the following warning while running cthon on an Ontap server running pNFS: 57.202521 ============================= 57.202522 WARNING: Suspicious RCU usage 57.202523...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000 – Fixed RCU usage in the connect path. With lockdep enabled, calls to the connect function from the cfg802.11 layer lead to the following warning: ============================= WARNING: Suspicious RCU usage...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfnetlinkqueue: acquire rcureadlock in instanceDestroyrcu syzbot reported that nfreinject could be called without rcureadlock: WARNING: suspicious RCU usage 6.9.0-rc7-syzkaller-02060-g5c1672705a1a 0 Not tainted...

EUVD-2026-45804

In the Linux kernel, the following vulnerability has been resolved: l2tp: use listdelrcu in l2tpsessionunhash An unprivileged local user can pin a host CPU indefinitely in l2tpsessiongetbyifname by issuing L2TPCMDSESSIONGET on L2TPATTRIFNAME concurrently with L2TPCMDSESSIONCREATE and...

kernel: ipv6: use RCU in ip6_output()

A use-after-free flaw was found in ip6finishoutput2 in net/ipv6/ip6output.c in ipv6 access. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50280)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50280 advisory. - ptrace: slightly saner 'getdumpable' logic Linus Torvalds Orabug: 39391447 CVE-2026-46333 - nfsd: fix heap overflow in NFSv4.0 LOCK replay cache Jeff...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Networks: DSA: Avoid suspicious RCU usage for synced VLAN-aware MAC addresses When using the felix driver the only one that supports UC filtering and MC filtering as a DSA master for a randomly selected DSA switch, the following...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021625)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021625 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash tab...

Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it CVE-2025-38403 kernel: net: use dstdevrcu in sksetupcaps...

kernel: ipv6: use RCU in ip6_output()

A use-after-free flaw was found in ip6finishoutput2 in net/ipv6/ip6output.c in ipv6 access. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...

Azure Linux 3.0 Security Update: hyperv-daemons (CVE-2024-27053)

The version of hyperv-daemons 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-2024-27053 advisory. - In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix RCU usage in...

CVE-2025-68756

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

UBUNTU-CVE-2025-68756

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

SUSE CVE-2023-54149

In the Linux kernel, the following vulnerability has been resolved: net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses When using the felix driver the only one which supports UC filtering and MC filtering as a DSA master for a random other DSA switch, one can see the followi...

EUVD-2023-60296

In the Linux kernel, the following vulnerability has been resolved: net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses When using the felix driver the only one which supports UC filtering and MC filtering as a DSA master for a random other DSA switch, one can see the followi...

UBUNTU-CVE-2023-54149

In the Linux kernel, the following vulnerability has been resolved: net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses When using the felix driver the only one which supports UC filtering and MC filtering as a DSA master for a random other DSA switch, one can see the followi...

CVE-2023-54149

CVE-2023-54149 affects the Linux kernel where, when the felix driver is used as a DSA master for a VLAN-aware bridge, vlan_for_each() is invoked from a context that may not hold rtnl_lock, leading to a potentially unsafe RCU read-side usage. The advisory notes that vlan_for_each() expects rtnl_lo...

CVE-2023-54149: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses When using the felix driver the only one which supports UC filtering and MC filtering as a DSA master for a random other DSA switch, one can see the followi...

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 questionable RCU usage and could lead to synchronization issues...