CVE-2026-31541

CVE-2026-31541: In the Linux kernel tracing subsystem, when copy_trace_marker is enabled, deleting a tracing instance could bypass synchronization and leave a Use-After-Free (UAF) due to incorrect ordering of flag clearing and marker list updates. The fix moves clearing of all flags below the upd...

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 fact that the rxrpc call was removed from the rxnet-calls list without using RCU safe deletio...

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 issue of updating the link list using tracemarker. This vulnerability may lead to inconsisten...

PT-2026-35021

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the inet lookup established function. The problem occurs because MPTCP v6 subflow child sockets are allocated via kmalloc instead of the TCPv6 slab...

CVE-2026-31532

In the Linux kernel, the following vulnerability has been resolved: can: raw: fix ro-uniq use-after-free in rawrcv rawrelease unregisters raw CAN receive filters via canrxunregister, but receiver deletion is deferred with callrcu. This leaves a window where rawrcv may still be running in an RCU...

SUSE CVE-2026-31444

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free and NULL deref in smbgrantoplock smbgrantoplock has two issues in the oplock publication sequence: 1 opinfo is linked into ci-moplist via opinfoadd before addleasegloballist is called. If...

SUSE CVE-2026-31502

In the Linux kernel, the following vulnerability has been resolved: team: fix headerops type confusion with non-Ethernet ports Similar to commit 950803f72547 "bonding: fix type confusion in bondsetupbyslave" team has the same class of headerops type confusion. For non-Ethernet ports,...

PT-2026-34658

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the SocketCAN subsystem of the Linux kernel. The raw release function unregisters raw CAN receive filters through can rx unregister, but the deletion of the...

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...

EUVD-2026-24917

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exception exit lock checking for subprogs processbpfexitfull passes checklock = !curframe to checkresourceleak, which is false in cases when bpfthrow is called from a static subprog. This makes checkresourceleak to skip...

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...

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...

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...

PT-2026-34407

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A type confusion issue exists in the team module when handling non-Ethernet ports. The team setup by port function copies port dev-header ops directly. Consequently, when the team device...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013863)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013863 advisory. In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013078)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013078 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv4: route: Prevent rtbindexception from rebinding stale fnhe The sit driver's packet transmissi...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011394)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011394 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv4: route: Prevent rtbindexception from rebinding stale fnhe The sit driver's packet transmissi...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011237)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011237 advisory. In the Linux kernel, the following vulnerability has been resolved: rcu: Protect rcuprinttaskexpstall -exptasks access For kernels built with CONFIGPREEMPTRCU=y, the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007317)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007317 advisory. In the Linux kernel, the following vulnerability has been resolved: mac802154: fix llsec key resources release in mac802154llseckeydel mac802154llseckeydel can free...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007270)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007270 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix potential data-race in nftexprtypeget nftunregisterexpr can concurrent...