CVE-2026-31734 sched_ext: Fix is_bpf_migration_disabled() false negative on non-PREEMPT_RCU

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix isbpfmigrationdisabled false negative on non-PREEMPTRCU Since commit 8e4f0b1ebcf2 "bpf: use rcureadlockdontmigrate for trampoline.c", the BPF prolog bpfprogenter calls migratedisable only when CONFIGPREEMPTRCU is...

CVE-2026-31734

CVE-2026-31734 (Linux kernel sched_ext) has been fixed. The issue was a false negative where is_bpf_migration_disabled() could be incorrect on systems without CONFIG_PREEMPT_RCU, causing migration_disabled == 1 to be treated as truly migration-disabled even for the current task. The BPF prolog no...

Scientific Linux Security Update : kvm on SL5.4 i386/x86_64

The x86 emulator implementation was missing a check for the Current Privilege Level CPL and I/O Privilege Level IOPL. A user in a guest could leverage these flaws to cause a denial of service guest crash or possibly escalate their privileges within that guest. CVE-2010-0298, CVE-2010-0306 A flaw...

CentOS 5 : kvm (CESA-2010:0088)

Updated kvm packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. KVM Kernel-based Virtual Machine is a full virtualization solution for...

Important: Red Hat Security Advisory: kvm security and bug fix update

Updated kvm packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. KVM Kernel-based Virtual Machine is a full virtualization solution for...