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...

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...

The vulnerability of the smc_special_trylock() function in the drivers/net/ethernet/smc91x.c file of the Linux kernel’s Ethernet network adapter driver allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the smcspecialtrylock function in the drivers/net/ethernet/smc91x.c file of the Linux kernel’s Ethernet network adapter driver is related to the violation of context restrictions. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

ALSA-2026:49214 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: rtnetlink: add missing netlinknscapable check for peer netns CVE-2026-31692 kernel: netfilter: ctnetlink: ensure safe access to master conntrack CVE-2026-43116 kernel: fanotify: fix false...

RHEL 9 : kernel (RHSA-2026:49031)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:49031 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: x86: Don't recheck L1...

RHEL 9 : kernel (RHSA-2026:49212)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:49212 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipc: limit nextid allocation ...

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: -...

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...

RHEL 8 : kernel (RHSA-2026:49033)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:49033 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xfrm: defensively unhash...

RHEL 9 : kernel (RHSA-2026:48386)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:48386 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: x86: Don't recheck L1...

ALSA-2026:49212 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipc: limit nextid allocation to the valid ID range CVE-2026-52923 kernel: tipc: fix double-free in tipcbufappend CVE-2026-52993 kernel: net: sched: UAF via missing handler for TCACTCONSUM...

ALSA-2026:49213 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: rtnetlink: add missing netlinknscapable check for peer netns CVE-2026-31692 kernel: netfilter: ctnetlink: ensure safe access to...

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 (RHSA-2026:49214)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:49214 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: rtnetlink: add missing...

RHEL 10 : kernel (RHSA-2026:49211)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:49211 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ksm: use range-walk function...

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: -...

Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: rtnetlink: add missing netlinknscapable check for peer netns CVE-2026-31692 kernel: netfilter: ctnetlink: ensure safe access to...

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...