Vulnerability of the rwsem_down_write_slowpath function (kernel/locking/rwsem.c) in the Linux operating system’s kernel, allowing a hacker to cause a service failure

The vulnerability of the rwsemdownwriteslowpath function in the Linux kernel’s locking/rwsem.c file relates to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2020-1812 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 3.16 through 5.5.6 Description: An issue in the Linux kernel leads to an out-of-bounds read because the FDC index is not checked for errors before assigning it. This issue is related to the set fdc function in...

CVE-2019-19318

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsemdownwriteslowpath use-after-free because in rwsemcanspinonowner in kernel/locking/rwsem.c rwsemownerflags returns an already freed pointer,...

PT-2019-4696

Name of the Vulnerable Software and Affected Versions Linux kernel version 5.3.11 Description The issue is related to a use-after-free in the rwsem down write slowpath function, specifically in the rwsem can spin on owner function within kernel/locking/rwsem.c. This occurs when mounting a crafted...

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

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20190423)

Security Fixes : - Kernel: KVM: potential use-after-free via kvmioctlcreatedevice CVE-2019-6974 - Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer CVE-2019-7221 Bug Fixes : - rbd: avoid corruption on partially completed bios rhel-7.6.z - xfsvmwritepages deadl...

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

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel security and bug fix update

3.10.0-957.12.1.OL7 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey bug 24817676 3.10.0-957.12.1 - kernel locking/rwsem: Fix possible missed wakeup Waiman Long 1690323...