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Test your applicationsUpgrade RHEL:8
kernel-zfcpdump
to version 0:4.18.0-305.el8 or higher.
This issue was patched in RHSA-2021:1578
.
Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump
package and not the kernel-zfcpdump
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.