RLSA-2026:50979 Important: kernel-rt security, bug fix, and enhancement 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: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel...

RLSA-2026:50978 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: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in bpfforeacharrayelem due to missing backport of...

RockyLinux 8 : kernel (RLSA-2026:50978)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:50978 advisory. kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in...

RXSA-2026:50978 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: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in bpfforeacharrayelem due to missing backport of...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux SIG Cloud 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...

RHEL 8 : kernel-rt (RHSA-2026:50979)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:50979 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements...

ALSA-2026:50979 Important: kernel-rt security, bug fix, and enhancement 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: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc64/bpf: The instruction “ldbrx” is limited to processors that comply with ISA v2.06. Johan reported the following crash with the testbpf function on the ppc64 e5500 architecture: testbpf: 296 ALUENDFROMLE 64:...

Unbreakable Enterprise kernel security update

5.4.17-2136.345.5.3 - x86/bpf: Classic BPF program can fail when BHB barrier is used Alexandre Chartre Orabug: 38167806 5.4.17-2136.345.5.2 - Add Zen34 clients Borislav Petkov AMD Orabug: 38023241 CVE-2024-36350 CVE-2024-36357 - x86/process: Move the buffer clearing before MONITOR Kim Phillips...

CVE-2025-38192 net: clear the dst when changing skb protocol

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000...

CVE-2025-38192

CVE-2025-38192 is a Linux kernel vulnerability where an ingress NAT46 BPF program that flips IPv4/IPv6 can mutate skb->protocol to v6 while the dst remains IPv4, leading to a NULL pointer dereference in ip6_rcv_core. The fix is to clear the destination (dst) in all BPF helpers that change skb-...