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...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: An annotate data-race around kcm-rxpsock has been fixed. kcm-rxpsock can now be read without a lock in kcmrfree. The read and write operations have been adjusted accordingly. The same approach is used for kcm-rxwait in th...

CVE-2026-23120 l2tp: avoid one data-race in l2tp_tunnel_del_work()

In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tptunneldelwork We should read sk-sksocket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tptunneldelwork / skcommonrelease write to...

CVE-2023-54004

In the Linux kernel, the following vulnerability has been resolved: udplite: Fix NULL pointer dereference in skmemraiseallocated. syzbot reported 0 a null-ptr-deref in skgetrmem0 while using IPPROTOUDPLITE 0x88: 14:25:52 executing program 1: r0 = socket$inet60xa, 0x80002, 0x88 We had a similar...

CVE-2023-53781

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...

DEBIAN-CVE-2023-53781

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...

CVE-2023-53781 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: 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...

UBUNTU-CVE-2022-50555

In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipctopsrvaccept syzbot found a crash in tipctopsrvaccept: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f Workqueue: tipcrcv tipctopsrvaccept RIP: 0010:kernelaccept+0x22d/0x350...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-394085)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-394085 advisory. In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanupbearer. syzkaller reported a use-after-free o...

EUVD-2025-8477

Malicious code in bioql PyPI...

ibmvnic: Add tx check to prevent skb leak

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Linux Distros Unpatched Vulnerability : CVE-2025-21925

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - llc: do not use skbget before devqueuexmit syzbot is able to crash hosts 1, using llc and devices not supporting IFFTXSKBSHARING. In this case, e1000 driver cal...

kernel: tipc: Fix use-after-free of kernel socket in cleanup_bearer().

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanupbearer. syzkaller reported a use-after-free of UDP kernel socket in cleanupbearer without repro. 01 When bearerdisable calls tipcudpdisable, cleanup of the UDP kernel socket is...

OESA-2025-1340 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanupbearer. syzkaller reported a use-after-free of UDP kernel socket in cleanupbearer without repro. 01 When...

CVE-2023-52986

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Check for any of tcpbpfprots when cloning a listener A listening socket linked to a sockmap has its skprot overridden. It points to one of the struct proto variants in tcpbpfprots. The variant depends on the socket'...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56642)

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-2024-56642 advisory. - In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socke...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-56642)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56642 advisory. - In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socke...

tipc: Fix use-after-free of kernel socket in cleanup_bearer().

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Linux Distros Unpatched Vulnerability : CVE-2025-21755

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: vsock: Orphan socket after transport release During socket release, sockorphan is called...