Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of proper RCU protection in /proc/net/ptype. This vulnerability may lead to the reading ...

SUSE-SU-2026:20720-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-53817: crypto: lib/mpi - avoid null pointer deref in mpicmpui bsc1254992. - CVE-2025-37861: scsi: mpi3mr: Synchronous access b/w reset and tm...

SUSE-SU-2026:20667-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-53817: crypto: lib/mpi - avoid null pointer deref in mpicmpui bsc1254992. - CVE-2025-37861: scsi: mpi3mr: Synchronous access b/w reset and tm...

kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005792)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005792 advisory. In the Linux kernel, the following vulnerability has been resolved: ipc: fix to protect IPCS lookups using RCU syzbot reported that it discovered a use-after-free...

kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match()

A flaw was found in the Linux kernel’s SMC Shared Memory Communication module: in smcclcprfxmatch, the function is called from smclistenwork without proper RCU or RTNL protection. The code previously used skdstgetsk-dev, which can lead to a use-after-free UAF condition if the sk’s destination is...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005492)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005492 advisory. In the Linux kernel, the following vulnerability has been resolved: ipc: fix to protect IPCS lookups using RCU syzbot reported that it discovered a use-after-free...

kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match()

A flaw was found in the Linux kernel’s SMC Shared Memory Communication module: in smcclcprfxmatch, the function is called from smclistenwork without proper RCU or RTNL protection. The code previously used skdstgetsk-dev, which can lead to a use-after-free UAF condition if the sk’s destination is...

CLSA-2026-1771239384 kernel: Fix of 75 CVEs

net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit CVE-2025-39766 - NFSD: Avoid calling OPDESC with ops-opnum == OPILLEGAL CVE-2023-53680 - scsi: target: iscsi: Fix buffer overflow in liotargetnaclinfoshow CVE-2023-53676 - KVM: x86: use arrayindexnospec with indices that come from...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The issue involves bcm: adding missing rcu read protection for procfs content. When the procfs content is generated for a bcmop that is about to be removed, the procfs output might display unreliable data UAF. Since the removal o...

CVE-2026-23001

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-23001

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-23001

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-23001 macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-23001 macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

Linux Distros Unpatched Vulnerability : CVE-2026-23001

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear...

OESA-2026-1229 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ceph: give up on paths longer than PATHMAX If the full path to be built by cephmdscbuildpath happens to be longer than PATHMAX, then this function will enter an...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38212)

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-2025-38212 advisory. - In the Linux kernel, the following vulnerability has been resolved: ipc: fix to protect IPCS lookups using R...

MiracleLinux 9 : kernel-5.14.0-570.19.1.el9_6 (AXSA:2025-10553:45)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10553:45 advisory. kernel: Use after Free in grusetcontextoption leading to kernel panic CVE-2022-3424 kernel: ndisc: use RCU protection in ndiscallocskb CVE-2025-217...