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 - уязвимость в 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 - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

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...

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...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has 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...

Astra Linux - уязвимость в 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...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: icmp: prevent possible NULL dereferences from icmpbuildprobe First problem is a double call to indevgetrcu, because the second one could return NULL. if indevgetrcudev && indevgetrcudev-ifalist Second problem is a read from...

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 concerns the Linux kernel, where the felix driver used as a DSA master for another DSA switch can trigger a stack trace when VLAN-aware bridges join. The root cause is a call path where vlan_for_each() is expected to run with rtnl_lock() context but does not, inside DSA’s ndo_set_r...

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...

EUVD-2025-203708

In the Linux kernel, the following vulnerability has been resolved: tcp: use dstdevrcu in tcpfastopenactivedisableofocheck Use RCU to avoid a pair of atomic operations and a potential UAF on dstdev-flags...

AZL-69995 CVE-2025-40135 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6xmit Use RCU in ip6xmit in order to use dstdevrcu to prevent possible UAF...

CVE-2025-40139

CVE-2025-40139 affects the Linux kernel in the SMC (Shared Memory Communications) path. The issue is in the function smc_clc_prfx_set(), which is invoked during connect() and is not protected by RCU prior to dereferencing sk_dst_get(sk)->dev. This can lead to a use-after-free when the device i...