CVE-2025-40139

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

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...

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 20.1070e 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...

PT-2025-46643

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free issue within the smc clc prfx match function. This function is called from smc listen work without proper read-copy-update RCU or Real-Time...

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-2025-988857)

"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-2025-989077)

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...

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-2025-989119)

"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-2025-989696)

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 20.1070a 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 20.1070e 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 ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smc: Fixed various errors due to confusion between the inetsock type. syzbot reported strange behavior in the cipsov4socksetattr function when freeing the inetsk structure, specifically when accessing the inetopt field. The...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

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 – 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:...

EUVD-2022-55674

Nagios XI versions prior to 5.8.9 are vulnerable to cross-site scripting XSS in the BPI component via the info URL field. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser...