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Test your applicationsUpgrade Oracle:8
kernel-tools-libs
to version 0:4.18.0-553.16.1.el8_10 or higher.
This issue was patched in ELSA-2024-5101
.
Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs
package and not the kernel-tools-libs
package as distributed by Oracle
.
See How to fix?
for Oracle:8
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
pstore/ram: Fix crash when setting number of cpus to an odd number
When the number of cpu cores is adjusted to 7 or other odd numbers, the zone size will become an odd number. The address of the zone will become: addr of zone0 = BASE addr of zone1 = BASE + zone_size addr of zone2 = BASE + zone_size*2 ... The address of zone1/3/5/7 will be mapped to non-alignment va. Eventually crashes will occur when accessing these va.
So, use ALIGN_DOWN() to make sure the zone size is even to avoid this bug.