CVE-2026-45977

In the Linux kernel, the following vulnerability has been resolved: fbnic: close fwlog race between users and teardown Fixes a theoretical race on fwlog between the teardown path and fwlog write functions. fwlog is written inside fbnicfwlogwrite and can be reached from the mailbox handler...

CVE-2026-45837

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

Linux Distros Unpatched Vulnerability : CVE-2026-45837

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always poin...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the OpenVPN TCP transmission process. When the socket is closed in the user space, the...

CLSA-2026-1779581056 qemu-kvm: Fix of CVE-2025-11234

CVE-2025-11234: fix use-after-free in QIOChannelWebsock handshake by tracking the handshake GSource id and removing it on close/finalize...

CVE-2026-45251 Kernel use-after-free via file descriptor syscalls

A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains blocked. In this situation, t...

FreeBSD : FreeBSD -- Kernel use-after-free via file descriptor syscalls (ee21f41f-54b5-11f1-8d7a-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the ee21f41f-54b5-11f1-8d7a-bc241121aa0a advisory. A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: improved shutdown sequence Alexander Sverdlin identified two issues during shutdown with the lan9303 driver. One issue is specific to lan9303, and the other occurs regardless of the driver. The first issue is that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fbnic: Move phylink resume out of servicetask and into open/close The fbnic driver was experiencing the following locking assertion when executing PM resume: 42.208116 T164 RTNL: assertion failed at drivers/net/phy/phylink.c 2611...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb: Logs an error when closeallcacheddirs fails Under low-memory conditions, closeallcacheddirs cannot move the entries to a separate list to send them to dput once the locks are dropped. This will result in an “Dentry still in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iavf: Use internal state to free traffic IRQs If the system attempts to close the netdev while iavfresettask is running, the LINKSTATESTART field will be cleared, and netifrunning will return false in iavfreinitinterruptscheme. A...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Fix handshakereqdestroytest1 Recently, the handshakereqdestroytest1 test started failing: The expected value of handshakereqdestroytest should be req, but the actual value is 0000000000000000. The correct value...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fbdev: Fixed invalid page access after closing deferred I/O devices. When a fbdev with deferred I/O is opened and closed, the dirty pages still remain in the pageref list. Eventually, those pages may be processed during the delay...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use after free in iucvsockclose iucvseverpath is called from process context and from bh context. iucv-path is used as indicator whether somebody else is taking care of severing the path or it is already removed /...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tee, amdtee: fixed the use-after-free vulnerability in amdteeclosesession. There is a potential race condition in amdteeclosesession that may cause a use-after-free in amdteeopenSession. For example, if a session has a referen...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Bonding: The device was stopped in the bondsetupbyslave function. The commit 9eed321cde22 “net: lapbether: only support Ethernet devices” managed to keep syzbot away from net/lapb until today. In the following issue 1, a lapbethe...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: s5p-mfc: Clearing workbit to handle error conditions During an error with the CLOSEINSTANCE command, ctxworkbits wasn’t cleared. Subsequent execution of mfc led to a NULL pointer dereferencing of this context, resulting in...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: serial: core: Fixed the issue where the transmit-buffer was not freed after closing the serial port. The commit 761ed4a94582 “tty: serialcore: changed uartclose to use ttyportclose” converted the serial core to use ttyportclos...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: iris: Fixed a memory leak by releasing the untracked persist buffer. A internal buffer that is allocated only once per session was not being released during session closure. This was because it wasn’t tracked as part of th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed potential OOPs in cifsoplockbreak With deferred close, there may be situations where closes occur simultaneously with lease breaks. Additionally, when checking whether to send the lease response, oplockresponse can...