USN-8620-3: Linux kernel (Intel IoTG) vulnerabilities

Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose...

kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has already finished that phase of instructi...

kernel: ipc: limit next_id allocation to the valid ID range

A flaw was found in the Linux kernel. The ipcidralloc function, used in the checkpoint/restore path for SysV Inter-Process Communication IPC ID allocation, does not properly limit ID allocation to the valid range. This can result in the system attempting to dereference freed memory, leading to a...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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...

SUSE CVE-2022-4994

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: wean fast IN from emulatorpioin Use emulatorpioin directly for fast PIO instead of bouncing through emulatorpioin now that emulatorpioin fills "val" when handling in-kernel PIO. vcpu-arch.pio.count is guaranteed to be...

RHEL 9 : kernel (RHSA-2026:49032)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:49032 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: clsapi: Handle TCACTCONSUME...

UBUNTU-CVE-2022-4994

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: wean fast IN from emulatorpioin Use emulatorpioin directly for fast PIO instead of bouncing through emulatorpioin now that emulatorpioin fills "val" when handling in-kernel PIO. vcpu-arch.pio.count is guaranteed to be...

SUSE SLES15 Security Update : kernel (Live Patch 18 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:3392-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:3392-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.66 fixes various security issues: The following security issues were fixed: -...

The vulnerability of the drm_compat_ioctl() function in the drivers/gpu/drm/drm_ioc32.c file of the Direct Rendering Infrastructure (DRI) driver for the Linux operating system allows a hacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the drmcompatioctl function in the drivers/gpu/drm/drmioc32.c file of the Direct Rendering Infrastructure DRI driver in the Linux kernel relates to the disclosure of confidential information. Exploiting this vulnerability could allow an attacker to compromise the...

SUSE SLES15 Security Update : kernel (Live Patch 15 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:3393-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3393-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.55 fixes various security issues: The following security issues were fixed: -...

Oracle Linux 9 : kernel (ELSA-2026-45192)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-45192 advisory. - KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level Aidan Wallace RHEL-213468 CVE-2026-63807 - KVM: x86: Don't recheck L1...

RHEL 8 : kernel-rt (RHSA-2026:49213)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:49213 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

AlmaLinux 10 : kernel (ALSA-2026:45114)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:45114 advisory. kernel: fs/notify: call exportfsencodefid with sumount CVE-2025-40237 kernel: scsi: core: Wake up the error handler when final completions race against...

RLSA-2026:47040 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xfrm: Duplicate SPI Handling CVE-2025-39797 kernel: lib/buildid: use kernelread for sleepable context CVE-2026-23002 kernel: futex: Drop CLONETHREAD requirement for private default hash...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

SUSE CVE-2026-62431

The logic to handle periodic Viridian STIMERs performs a division with an unchecked user-controlled divisor value, that can be set to zero to cause a DE fault...

SUSE CVE-2026-63872

In the Linux kernel, the following vulnerability has been resolved: esp: fix page frag reference leak on skbtosgvec failure In espoutputtail, when esp-inplace is false, the old skb page frags are replaced with a new page from the xfrm pagefrag cache. The source scatterlist sg is built from the ol...

SUSE CVE-2026-64556

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during removeonexec perfeventremoveonexec removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can leave inconsisten...

SUSE CVE-2026-64557

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

SUSE CVE-2026-64558

In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkeypckmo handler implementation Explicitly check the length of the target buffer in the pkeypckmo implementation of the keytoprotkey handler function. The handler function fails, if the generated outpu...