REDHAT-BUG-1882591: Null Pointer Dereference
First published: Fri Sep 25 2020(Updated: )
A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact References: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467</a> <a href="https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8">https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | =5.8.8 |
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Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1882592
- https://access.redhat.com/errata/RHSA-2021:1578
- https://access.redhat.com/errata/RHSA-2021:1739
- https://access.redhat.com/security/cve/cve-2020-25285
- https://bugzilla.redhat.com/show_bug.cgi?id=1882591
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