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Start learningThere is no fixed version for RHEL:9
kernel-rt-debug-core
.
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-core
package and not the kernel-rt-debug-core
package as distributed by RHEL
.
See How to fix?
for RHEL:9
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
cachestat: fix page cache statistics permission checking
When the 'cachestat()' system call was added in commit cf264e1329fb ("cachestat: implement cachestat syscall"), it was meant to be a much more convenient (and performant) version of mincore() that didn't need mapping things into the user virtual address space in order to work.
But it ended up missing the "check for writability or ownership" fix for mincore(), done in commit 134fca9063ad ("mm/mincore.c: make mincore() more conservative").
This just adds equivalent logic to 'cachestat()', modified for the file context (rather than vma).