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Test your applicationsUpgrade RHEL:8
kernel-modules-extra
to version 0:4.18.0-240.el8 or higher.
This issue was patched in RHSA-2020:4431
.
Note: Versions mentioned in the description apply only to the upstream kernel-modules-extra
package and not the kernel-modules-extra
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.