High severity7.8NVD Advisory· Published Jun 2, 2022· Updated Jun 17, 2026
CVE-2022-1786
CVE-2022-1786
Description
A use-after-free flaw was found in the Linux kernel’s io_uring subsystem in the way a user sets up a ring with IORING_SETUP_IOPOLL with more than one task completing submissions on this ring. This flaw allows a local user to crash or escalate their privileges on the system.
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Affected products
2- Linux kernel/io_uring subsystemdescription
Patches
Vulnerability mechanics
References
3- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- security.netapp.com/advisory/ntap-20220722-0001/nvdThird Party Advisory
- www.debian.org/security/2022/dsa-5161nvdThird Party Advisory
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