Use After Free Affecting kernel-core package, versions *
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-7278840
- published 20 Jun 2024
- disclosed 19 Jun 2024
Introduced: 19 Jun 2024
CVE-2021-47616 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:9 kernel-core.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-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:
RDMA: Fix use-after-free in rxe_queue_cleanup
On error handling path in rxe_qp_from_init() qp->sq.queue is freed and then rxe_create_qp() will drop last reference to this object. qp clean up function will try to free this queue one time and it causes UAF bug.
Fix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().