K69232741: Linux kernel vulnerability CVE-2019-20934

Security Advisory Description An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in shownumastats because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c. CVE-2019-20934 Impact There is no impact; F5...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2022-0014)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel packages installed that are affected by multiple vulnerabilities: - An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in shownumastats because NU...

kernel: use-after-free in show_numa_stats function

A flaw was found in the Linux kernel’s implementation of displaying NUMA statistics, where displaying the scheduler statistics could trigger a use-after-free in shownumastats and display the kernel memory to userspace. The highest threat from this vulnerability is to system availability...

CentOS 7 : kernel (RHSA-2021:2725)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2725 advisory. - An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in shownumastats because NUM...

kernel: use-after-free in show_numa_stats function

A flaw was found in the Linux kernel’s implementation of displaying NUMA statistics, where displaying the scheduler statistics could trigger a use-after-free in shownumastats and display the kernel memory to userspace. The highest threat from this vulnerability is to system availability...

kernel: use-after-free in show_numa_stats function

A flaw was found in the Linux kernel’s implementation of displaying NUMA statistics, where displaying the scheduler statistics could trigger a use-after-free in shownumastats and display the kernel memory to userspace. The highest threat from this vulnerability is to system availability...

CVE-2019-20934

An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in shownumastats because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c...

Linux - Use-After-Free Reads in show_numa_stats()

/ On NUMA systems, the Linux fair scheduler tracks information related to NUMA faults in taskstruct::numafaults and taskstruct::numagroup. Both of these have broken object lifetimes. Since commit 82727018b0d3 "sched/numa: Call tasknumafree from doexecve", first in v3.13, -numafaults is freed not...