Also fixed a security vulnerability that caused a page cache side channel attack (CVE-2019-5489), this is a problem in the Salsa 20 encryption algorithm that allows a local attacker to cause a denial of service (CVE-2017-17805), and a vulnerability that allows non-privileged users to check for arbitrary task heaps (CVE-2018-17972).
In addition to addressing the security vulnerabilities listed above, the new kernel security patch fixes kernel crashes that occur after running userspace scripts, and a pageable issue in 32-bit kernels.
In addition, it fixes the OOPS problem with the Null pointer exception in V4L2_ctrl_query_Menu when the second argument of the function is NULL; another hang in the congestion_wait() function; a bug in the fs/binfmt_misc.c file and causes Linux The header interrupts the third-party package compiled error Spectre backport.
Finally, the kernel patch fixes a problem with RETOPOINE mitigation to prevent branch target injection attacks, according to reports.IntelThe Skylake processor is vulnerable on Red Hat Enterprise Linux 6.10 systems.
New Linux kernel security updates are available for Red Hat Enterprise Linux Server 6, Red Hat Enterprise Linux WorkStation 6, Red Hat Enterprise Linux Desktop 6, Red Hat Enterprise Linux 6 for IBM z Systems, Red Hat Enterprise Linux 6 for Power, BigEndian, Red Hat Enterprise Linux for Science Computing6 and CentOS Linux 6 and more.