Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: Fixed a issue where partial COW operations by pedit led to corruption of the page cache. tcfpeditact calculates the COW range for skbensurewritable once before the key loop, using tcfpoffmaxhint. However, this hint...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: The reuseport cBPF prog is freed after the RCU grace period. Eulgyu Kim reported the issue below with a reproduction example. The reproduction example sets up a UDP reuseport group with a cBPF prog and replaces it with a new...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: skbuff: Fixed an issue where a missing zerocopy reference was present in the pskbcarve helpers. Both pskbcarveinsideheader and pskbcarveinsidenonlinear copy the old skbsharedinfo header into a new buffer using memcpy. Thi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: eventpoll: Fixed an UAF Use-After-Free issue with epremovestruct eventpoll and struct file. The epremove function via epremovefile clears the file-fep field under file-flock, but then continues using @file within the critical...

CVE-2026-64566

A flaw was found in the Linux kernel's iptfs module, which handles network packet processing. When copying shared packet fragments, a critical flag indicating shared memory is not correctly propagated. This can lead to memory corruption within the kernel, potentially causing the system to crash a...

CVE-2026-55978

An improper access control vulnerability in CatchPulse could allow a non-administrative local attacker to connect to an unrestricted kernel filter communication port and bypass CatchPulse's security policy enforcement...

RHSA-2026:50979 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Bulletin has no description...

RHSA-2026:50978 Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Bulletin has no description...

CVE-2026-64574

A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. When new Wi-Fi links are added, an error in the update process can cause debugfs entries to point to memory that has already been freed. A local attacker can exploit this use-after-free vulnerability by accessing these dangling...

CVE-2026-64569

A flaw was found in the Linux kernel's Multiprotocol Label Switching MPLS subsystem. An unprivileged local user could send a specially crafted network message, leading to a null pointer dereference. This vulnerability could cause a system crash, resulting in a denial of service...

CVE-2026-64579

A flaw was found in the Linux kernel's xfrm policy component. An issue in the xfrmhashrebuild function, specifically with the preallocation of inexact policy bins, can lead to memory allocation failures under memory pressure. This failure can corrupt internal data structures, allowing a local...

CVE-2026-55978 Improper access control vulnerability in CatchPulse

An improper access control vulnerability in CatchPulse could allow a non-administrative local attacker to connect to an unrestricted kernel filter communication port and bypass CatchPulse's security policy enforcement...

CVE-2026-55978

CVE-2026-55978 describes an improper access control vulnerability in CatchPulse that could allow a non-administrative local attacker to connect to an unrestricted kernel filter communication port and bypass CatchPulse’s security policy enforcement. The NVD entry indicates a local attack vector wi...

EUVD-2026-53841

An improper access control vulnerability in CatchPulse could allow a non-administrative local attacker to connect to an unrestricted kernel filter communication port and bypass CatchPulse's security policy enforcement...

CVE-2026-55978

An improper access control vulnerability in CatchPulse could allow a non-administrative local attacker to connect to an unrestricted kernel filter communication port and bypass CatchPulse's security policy enforcement...

CVE-2026-64604

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8 intercepts, get vmcs12 if and only if the vCPU is in guest mode so that a future change can have update CR8 intercepts during vCPU...

CVE-2026-64603

In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda16290 "ACPI: OSL: Allow Notify handlers to run on all CPUs" ACPI notify handlers like the intel-hid notifyhandler may run on multiple CPU...

CVE-2026-64599

In the Linux kernel, the following vulnerability has been resolved: crypto: amlogic - avoid double cleanup in mesoncryptoprobe When mesonallocatechanlist fails after a partial allocation, it already unwinds the allocated chanlist state through its local error path. mesoncryptoprobe then jump to...

CVE-2026-64601

In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: captureurbcomplete: redundant usbanchorurb corrupts anchor list on each resubmission In captureurbcomplete, usbanchorurb is called on every completion callback, but the URB is already anchored from the initial...

CVE-2026-64598

In the Linux kernel, the following vulnerability has been resolved: smb/client: Fix error code in smb2aeadreqalloc The "numsgs" variable is a u32 so "ERRPTRnumsgs" doesn't work. We would have to do something similar to the previous line where it's cast to int and then long. However, it's simpler ...