Threats Tagged 'cve-2026-23191'

Red Hat has issued a security advisory for the kernel-rt packages, which provide the Real Time Linux Kernel for systems requiring high determinism. The update addresses multiple vulnerabilities including denial of service, use-after-free, privilege escalation, memory corruption, deadlocks, and heap overflow issues across various kernel components such as SCSI, ALSA, RDMA, KVM, and NFS. These vulnerabilities affect Red Hat Enterprise Linux 9. 0 and related products. The advisory rates the update as Important and requires a system reboot after applying the patch. No known exploits in the wild have been reported at this time.

This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel packages for Red Hat Enterprise Linux 9. 0 and related variants. The issues include denial of service, use-after-free, heap overflow, memory corruption, privilege escalation, and race conditions across various kernel subsystems such as SCSI, ALSA, RDMA, KVM, and NFS. The advisory rates the overall security impact as Important and provides updated kernel packages to remediate these vulnerabilities. A system reboot is required to apply the updates. No known exploits are reported in the wild at this time.

A security advisory from Red Hat addresses multiple vulnerabilities in the Linux kernel packages used in Red Hat Enterprise Linux 9. 4 Extended Update Support and related products. The vulnerabilities include a double free in the qla2xxx driver (CVE-2025-71238) that can lead to denial of service and potential privilege escalation, privilege escalation or denial of service in KVM due to improper shadow page table handling (CVE-2026-23401), and several use-after-free and race condition issues in kernel components such as ALSA aloop, crypto algif_aead, and CAN raw sockets. These issues are rated as important by Red Hat and require applying the provided kernel update and rebooting the system. No known exploits in the wild have been reported. The advisory covers multiple architectures and product variants of Red Hat Enterprise Linux 9. 4 EUS.