Red Hat Security AdvisoryRHSA-2018:0412
kernel-rt security and bug fix update
Released 2018-03-06 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-693.21.1.rt56.639.el7, kernel-rt-debug-3.10.0-693.21.1.rt56.639.el7, kernel-rt-debug-devel-3.10.0-693.21.1.rt56.639.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-693.21.1.rt56.639.el7, kernel-rt-debug-3.10.0-693.21.1.rt56.639.el7, kernel-rt-debug-devel-3.10.0-693.21.1.rt56.639.el7 +7
Fixes 3 records
Priority LOW 35
A flaw was found in the Linux kernel before version 4.12 in the way the KVM module processed the trap flag(TF) bit in EFLAGS during emulation of the syscall instruction, which leads to a debug exception(#DB) being raised…
CVSS 3.0HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00672 · Published 2018-07-30 · Fixed CWE-250
Priority LOW 34
arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00441 · Published 2017-10-11 · Fixed CWE-121
Priority LOW 31
In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.
CVSS 3.0HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00398 · Published 2018-05-18 · Partial fix