CVE-2026-46027

A flaw was found in the Linux kernel's net/smc component. A remote attacker could exploit this by sending a Connection Less Connection CLC decline message during an early handshake stage. This causes the system to attempt to update link-group level synchronization state before it is properly...

CVE-2026-46027

In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid early lgr access in smcclcwaitmsg A CLC decline can be received while the handshake is still in an early stage, before the connection has been associated with a link group. The decline handling in smcclcwaitmsg...

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

In the Linux kernel, the following vulnerability has been resolved: net/smc: fixed an issue where a NULL pointer was dereferenced in smcibissgneedsync BUG: NULL pointer dereferencing in the kernel, address: 00000000000002ec PGD 0 P4D 0 Oops: 0000 1 SMP PTI CPU: 28 UID: 0 PID: 343 Comm: kworker/28...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: net/smc: fixed the connection leak issue. There is a potential leak issue under the following execution sequence: smcrelease, smcconnectwork if sk-skstate == SMCINIT sendclcconfirim tcpabort; ... sk-skstate = SMCACTIVE...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed a general protection fault in smcdiagdump The syzbot report a crash: Oops: general protection fault, likely for a non-canonical address 0xfbd5a5d5a0000003: 0000 1 SMP KASAN NOPTI KASAN: possibly wild-memory-acce...

CVE-2026-31507

CVE-2026-31507 affects the Linux kernel SMC module (net/smc). The vulnerability is a double-free of the per-buffer state (smc_spd_priv) when tee(2) duplicates a splice pipe buffer, leading to a use-after-free and a kernel NULL pointer dereference, ultimately causing a kernel panic. The root cause...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013656)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013656 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Reset connection when trying to use SMCRv2 fails. We found a crash when using SMCRv2 wi...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013483)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013483 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Transitional solution for clcsock race issue We encountered a crash in smcsetsockopt and...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013537)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013537 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: use smclgrlist.lock to protect smclgrlist.list iterate in smcrportadd While doing...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-011239)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011239 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: fix potential panic dues to unprotected smcllcsrvaddlink There is a certain chance to...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010869)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010869 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: use smclgrlist.lock to protect smclgrlist.list iterate in smcrportadd While doing...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010693)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010693 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Avoid overwriting the copies of clcsock callback functions The callback functions of...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010753)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010753 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Transitional solution for clcsock race issue We encountered a crash in smcsetsockopt and...

Linux Distros Unpatched Vulnerability : CVE-2026-23450

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/smc: fix NULL dereference and UAF in smctcpsynrecvsock Syzkaller reported a panic in smctcpsynrecvsock 1. smctcpsynrecvsock is called in the TCP receive pat...

UBUNTU-CVE-2026-23450

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix NULL dereference and UAF in smctcpsynrecvsock Syzkaller reported a panic in smctcpsynrecvsock 1. smctcpsynrecvsock is called in the TCP receive path softirq via icskafops-synrecvsock on the clcsock TCP listening...

CVE-2026-23450

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix NULL dereference and UAF in smctcpsynrecvsock Syzkaller reported a panic in smctcpsynrecvsock 1. smctcpsynrecvsock is called in the TCP receive path softirq via icskafops-synrecvsock on the clcsock TCP listening...

CVE-2026-23450

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix NULL dereference and UAF in smctcpsynrecvsock Syzkaller reported a panic in smctcpsynrecvsock 1. smctcpsynrecvsock is called in the TCP receive path softirq via icskafops-synrecvsock on the clcsock TCP listening...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56718)

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-2024-56718 advisory. - In the Linux kernel, the following vulnerability has been resolved: net/smc: protect link down work from...

SUSE CVE-2023-54237

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix potential panic dues to unprotected smcllcsrvaddlink There is a certain chance to trigger the following panic: PID: 5900 TASK: ffff88c1c8af4100 CPU: 1 COMMAND: "kworker/1:48" 0 ffff9456c1cc79a0 machinekexec at...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993266)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993266 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: fix deadlock triggered by canceldelayedworksyn The following LOCKDEP was detected:...