Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15, and Linux 6.1

An integer overflow flaw was discovered in the Linux kernel. This issue causes the kernel to allocate skbsharedinfo in the user space, which can be exploited in systems without SMAP protection, as skbsharedinfo contains references to function pointers...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Anonymous sets are never used with a timeout flag from the user space; this behavior should be rejected. An exception to this rule is when using NFTSETEVAL, to ensure that legacy metering mechanisms continue ...

RLSA-2026:23258 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

CVE-2026-46315

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: clear waitid info before copying it to userspace IORINGOPWAITID stores its result fields in struct iowaitid::info and later copies them to userspace siginfo. The prep path initializes the request arguments, but it...

UBUNTU-CVE-2026-46315

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: clear waitid info before copying it to userspace IORINGOPWAITID stores its result fields in struct iowaitid::info and later copies them to userspace siginfo. The prep path initializes the request arguments, but it...

EUVD-2026-35373

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: clear waitid info before copying it to userspace IORINGOPWAITID stores its result fields in struct iowaitid::info and later copies them to userspace siginfo. The prep path initializes the request arguments, but it...

CVE-2026-46315

The CVE affects the Linux kernel io_uring waitid path. In IORING_OP_WAITID, result fields are stored in io_waitid::info and later copied to userspace siginfo. During prep, info wasn’t initialized; if the wait completes without a child event, the common wait code may skip writing wo_info, yet io_w...

FreeBSD -- Use-after-free bug in the IPV6_MSFILTER socket option handler

Problem Description: The kernel handler for IPV6MSFILTER dropped a serializing lock in order to copy the source-filter list from userspace, then reacquired the lock. During this window another thread could free the multicast filter structure, leaving the handler with a stale pointer to freed...

Linux Distros Unpatched Vulnerability : CVE-2026-46315

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/waitid: clear waitid info before copying it to userspace IORINGOPWAITID stores its result fields in struct iowaitid::info and later copies them to...

PT-2026-47719

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An information disclosure issue exists in the io uring subsystem during the IORING OP WAITID operation. The io waitid finish function copies the info field from struct io waitid to...

SUSE CVE-2025-21910

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: regulatory: improve invalid hints checking Syzbot keeps reporting an issue 1 that occurs when erroneous symbols sent from userspace get through into useralpha2 via regulatoryhintuser call. Such invalid regulatory...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

EUVD-2025-210023

Memory Corruption when processing IOCTL requests with mismatched API versions due to concurrent modification of user-space buffer...

UBUNTU-CVE-2026-46243

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...

CVE-2026-46243 smb: client: reject userspace cifs.spnego descriptions

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...

EUVD-2026-33668

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...

Linux Distros Unpatched Vulnerability : CVE-2026-46220

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amdgpu/sdma4: replace BUGON with WARNON in fence emission sdmav40ringemitfence contains two BUGONaddr & 0x3 assertions that verify fence writeback addresses...

CVE-2026-46220

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma4: replace BUGON with WARNON in fence emission sdmav40ringemitfence contains two BUGONaddr & 0x3 assertions that verify fence writeback addresses are dword-aligned. These assertions can be reached from unprivileged...

UBUNTU-CVE-2026-46145

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rxhashkeylen Sashiko points out that rxhashkeylen comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow...

UBUNTU-CVE-2026-46182

In the Linux kernel, the following vulnerability has been resolved: pseries/papr-hvpipe: Prevent kernel stack memory leak to userspace The hdr variable is allocated on the stack and only hdr.version and hdr.flags are initialized explicitly. Because the struct paprhvpipehdr contains reserved paddi...