USN-8255-1: Linux kernel vulnerabilities

Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. CVE-2023-2640 Shir Tamari and Sagi Tzadik...

USN-8254-1 linux, linux-aws, linux-aws-6.8, linux-aws-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle, linux-oracle-6.8, linux-raspi, linux-raspi-realtime, linux-realtime, linux-realtime-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - NVME drivers; - Netfilter; CVE-2026-23112, CVE-2026-23231, CVE-2026-23273...

RHEL 9 : kernel-rt (RHSA-2026:14301)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:14301 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

EUVD-2026-27674

In the Linux kernel, the following vulnerability has been resolved: dm: clear cloned request bio pointer when last clone bio completes Stale rq-bio values have been observed to cause double-initialization of cloned bios in request-based device-mapper targets, leading to use-after-free and...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. 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-rt packages provide the Real Time Linux Kernel, which enables...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. 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...

RLSA-2026:13577 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nvme: avoid double free special payload CVE-2024-41073 kernel: net: qlogic/qede: fix potential out-of-bounds read in qedetpacont and qedetpaend CVE-2025-40252 kernel: crypto: asymmetricke...

RockyLinux 8 : kernel (RLSA-2026:13577)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:13577 advisory. kernel: nvme: avoid double free special payload CVE-2024-41073 kernel: net: qlogic/qede: fix potential out-of-bounds read in qedetpacont and qedetpaend...

Oracle Linux 8 : kernel (ELSA-2026-13577)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-13577 advisory. - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption Herbert Xu RHEL-172187 CVE-2026-31431 - crypto: authencesn - rejec...

kernel: nvme: avoid double free special payload

A flaw was found in the Linux kernel's NVMe component. This vulnerability is due to a double free error that occurs when a discard request needs to be retried and fails before a new special payload is added. A local attacker could exploit this memory corruption issue to cause a denial of service...

ALSA-2026:13578 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: nvme: avoid double free special payload CVE-2024-41073 kernel: net: qlogic/qede: fix potential out-of-bounds read in qedetpacont a...

RHEL 8 : kernel-rt (RHSA-2026:13578)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13578 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

kernel security update

4.18.0-553.123.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

RHEL 8 : kernel (RHSA-2026:13577)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13577 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nvme: avoid double free speci...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: nvme: fix memory allocation in nvmeprreadkeys CVE-2026-23244 In the Linux kernel, the following vulnerability has been resolved: net/sched: actgate: snapshot parameters with RCU on replace CVE-2026-23245 In the...

The vulnerability of the nvmet_enable_port() function in the drivers/nvme/target/core.c file of the Linux kernel’s NVME support driver allows a attacker to cause a service failure.

The vulnerability of the nvmetenableport function in the drivers/nvme/target/core.c file of the Linux NVME kernel driver relates to buffer out-of-buffer reading. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-31557

A flaw was found in the Linux kernel, specifically within the NVMe over Fabrics NVMe-oF target's nvmet and nvmetrdma modules. A local attacker could potentially trigger a recursive locking condition in the nvmet-wq workqueue during asynchronous event processing. This issue arises when nvmetctrlfr...

EUVD-2026-25450

In the Linux kernel, the following vulnerability has been resolved: nvmet: move async event work off nvmet-wq For target nvmetctrlfree flushes ctrl-asynceventwork. If nvmetctrlfree runs on nvmet-wq, the flush re-enters workqueue completion for the same worker:- A. Async event work queued on...

Ubuntu Pro Realtime 24.04 LTS : Linux kernel (Raspberry Pi Real-time) vulnerabilities (USN-8204-1)

"The remote Ubuntu Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8204-1 advisory. Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly...

USN-8180-4 linux-azure-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...