Out-of-Bounds Affecting kernel-tools-libs package, versions *
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLSLIBS-7229702
- published 9 Jun 2024
- disclosed 21 May 2024
Introduced: 21 May 2024
CVE-2023-52731 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:8 kernel-tools-libs.
NVD Description
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 RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
fbdev: Fix invalid page access after closing deferred I/O devices
When a fbdev with deferred I/O is once opened and closed, the dirty pages still remain queued in the pageref list, and eventually later those may be processed in the delayed work. This may lead to a corruption of pages, hitting an Oops.
This patch makes sure to cancel the delayed work and clean up the pageref list at closing the device for addressing the bug. A part of the cleanup code is factored out as a new helper function that is called from the common fb_release().