CVE-2025-40133 mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable().

In the Linux kernel, the following vulnerability has been resolved: mptcp: Use skdstget and dstdevrcu in mptcpactiveenable. mptcpactiveenable is called from subflowfinishconnect, which is icsk-icskafops-skrxdstset and it's not always under RCU. Using skdstgetsk-dev could trigger UAF. Let's use...

CVE-2025-40133

In the Linux kernel, the following vulnerability has been resolved: mptcp: Use skdstget and dstdevrcu in mptcpactiveenable. mptcpactiveenable is called from subflowfinishconnect, which is icsk-icskafops-skrxdstset and it's not always under RCU. Using skdstgetsk-dev could trigger UAF. Let's use...

CVE-2025-40133

CVE-2025-40133 is a Linux kernel vulnerability affecting Multipath TCP. The issue arises in mptcp_active_enable(), called from subflow_finish_connect(), where sk_dst_get(sk)->dev may be accessed outside RCU, risking a use-after-free. The advisory notes the fix is to use __sk_dst_get() and dst_...

CVE-2025-40133 mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable().

In the Linux kernel, the following vulnerability has been resolved: mptcp: Use skdstget and dstdevrcu in mptcpactiveenable. mptcpactiveenable is called from subflowfinishconnect, which is icsk-icskafops-skrxdstset and it's not always under RCU. Using skdstgetsk-dev could trigger UAF. Let's use...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990806)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990806 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: cdg: allow tcpcdgrelease to be called multiple times Apparently, mptcp is able to call...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that originates from an incorrect call to reqskfastopenremove in tcpconnrequest, which could result in a reference count underfl...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990801)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990801 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: tcpmakesynack can be called from process context tcprtxsynack now could be called in process...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990833)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990833 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: Fix shift-out-of-bounds in dctcpupdatealpha. In dctcpupdatealpha, we use a module parameter...

CVE-2025-40815

A vulnerability has been identified in LOGO! 12/24RCE 6ED1052-1MD08-0BA2 All versions, LOGO! 12/24RCEo 6ED1052-2MD08-0BA2 All versions, LOGO! 230RCE 6ED1052-1FB08-0BA2 All versions, LOGO! 230RCEo 6ED1052-2FB08-0BA2 All versions, LOGO! 24CE 6ED1052-1CC08-0BA2 All versions, LOGO! 24CEo...

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: tcp: drop secpath at the same time as we currently drop dst

In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we currently drop dst Xiumei reported hitting the WARN in xfrm6tunnelnetexit while running tests that boil down to: - create a pair of netns - run a basic TCP test over ipcomp6 - delete the...

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...

kernel: tcp: drop secpath at the same time as we currently drop dst

In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we currently drop dst Xiumei reported hitting the WARN in xfrm6tunnelnetexit while running tests that boil down to: - create a pair of netns - run a basic TCP test over ipcomp6 - delete the...

Important: kernel-livepatch-6.1.148-173.267

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdiscdequeueinternal CVE-2025-39677 In the Linux kernel, the following vulnerability has been resolved: fs/buffer: fix use-after-free when call bhread helper CVE-2025-39691 In...

Important: kernel-livepatch-6.1.150-174.273

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdiscdequeueinternal CVE-2025-39677 In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bamdma: Fix DT error handling for num-channels/ees...

Important: kernel-livepatch-6.12.40-64.114

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdiscdequeueinternal CVE-2025-39677 In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bamdma: Fix DT error handling for num-channels/ees...

Important: kernel-livepatch-6.12.46-66.121

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bamdma: Fix DT error handling for num-channels/ees CVE-2025-39923 In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. CVE-2025-3995...

Important: kernel-livepatch-6.12.48-67.114

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. CVE-2025-39955 Affected Packages: kernel-livepatch-6.12.48-67.114 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

CVE-2025-10259

Improper Validation of Specified Quantity in Input vulnerability in TCP Communication Function on Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote attacker to disconnect the connection by sending specially crafted TCP packets to cause a denial-of-service DoS condition...

CVE-2025-10259 Denial-of-Service(DoS) Vulnerability in TCP Communication Function on MELSEC iQ-F Series CPU module

Improper Validation of Specified Quantity in Input vulnerability in TCP Communication Function on Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote attacker to disconnect the connection by sending specially crafted TCP packets to cause a denial-of-service DoS condition...