Thursday, December 23, 2021

Red Hat: CVE-2021-20321: Moderate: kernel security and bug fix update (Multiple Advisories)

Description
A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.
Solution(s)
  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt


  • References
  • CVE-2021-20321
  • RHSA-2021:5227
  • RHSA-2021:5241




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