CVE-2025-40168 smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().

In the Linux kernel, the following vulnerability has been resolved: smc: Use skdstget and dstdevrcu in smcclcprfxmatch. smcclcprfxmatch is called from smclistenwork and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF. Let's use skdstget and dstdevrcu. Note that the returned value o...

CVE-2025-40168 smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().

In the Linux kernel, the following vulnerability has been resolved: smc: Use skdstget and dstdevrcu in smcclcprfxmatch. smcclcprfxmatch is called from smclistenwork and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF. Let's use skdstget and dstdevrcu. Note that the returned value o...

CVE-2025-40139

In the Linux kernel, the following vulnerability has been resolved: smc: Use skdstget and dstdevrcu in in smcclcprfxset. smcclcprfxset is called during connect and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF. Let's use skdstget and devdstrcu under rcureadlock after...

CVE-2025-40139 smc: Use __sk_dst_get() and dst_dev_rcu() in in smc_clc_prfx_set().

In the Linux kernel, the following vulnerability has been resolved: smc: Use skdstget and dstdevrcu in in smcclcprfxset. smcclcprfxset is called during connect and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF. Let's use skdstget and devdstrcu under rcureadlock after...

CVE-2025-40139 smc: Use __sk_dst_get() and dst_dev_rcu() in in smc_clc_prfx_set().

In the Linux kernel, the following vulnerability has been resolved: smc: Use skdstget and dstdevrcu in in smcclcprfxset. smcclcprfxset is called during connect and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF. Let's use skdstget and devdstrcu under rcureadlock after...

CVE-2025-40139 smc: Use __sk_dst_get() and dst_dev_rcu() in in smc_clc_prfx_set().

In the Linux kernel, the following vulnerability has been resolved: smc: Use skdstget and dstdevrcu in in smcclcprfxset. smcclcprfxset is called during connect and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF. Let's use skdstget and devdstrcu under rcureadlock after...

CVE-2025-40139

Technical details for CVE-2025-40139 are not publicly provided in the supplied documents. Monitor for updates from the advisories.

Linux Distros Unpatched Vulnerability : CVE-2025-40139

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smc: Use skdstget and dstdevrcu in in smcclcprfxset. smcclcprfxset is called during connect and not under RCU nor RTNL. Using skdstgetsk-dev could trigger UAF...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-990775)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990775 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: fix NULL sndbufdesc in smccdctxhandler When performing a stress test on SMC-R by rmmod...

SUSE-SU-2025:4057-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38008: mm/pagealloc: fix race condition in unaccepted memory handling bsc1244939. - CVE-2025-38539: trace/fgraph: Fix the warning caused by missing unregister...

kernel: smc: Fix use-after-free in tcp_write_timer_handler()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990565)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990565 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix a null pointer access when the smcrreg pointer is NULL In certain types of chips,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988995)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988995 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid data corruption caused by decline We found a data corruption issue during testing ...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989696)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989696 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: fix wrong listdel in smclgrcleanupearly smclgrcleanupearly meant to delete the link grou...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990157)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990157 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid data corruption caused by decline We found a data corruption issue during testing ...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990172)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990172 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix a null pointer access when the smcrreg pointer is NULL In certain types of chips,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988857)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988857 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: fix connection leak There's a potential leak issue under following execution sequence :...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989119)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989119 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix NULL pointer dereferencing in smcvlanbytcpsk Coverity reports a possible NULL...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989077)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989077 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix NULL pointer dereference in smcpnetfindib devname was called with dev.parent as...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed a UAF issue after smclistenout BPF CI testing reports a UAF issue: 16.446633 BUG: kernel NULL pointer dereference, address: 0000000000000030 16.447134 PF: supervisor read access in kernel module 16.447516 PF:...