CVE-2022-1786
HighA 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.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-843CVE-2022-1786 is classified as CWE-843
See CWE-843 on MITRE CWE for full details on this weakness type.
References
The following references provide additional information about CVE-2022-1786 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Issue Tracking Third Party Advisory
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Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2022/dsa-5161Third Party Advisory
Frequently asked questions
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What is CVE-2022-1786?
CVE-2022-1786 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2022-1786 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-1786?
CVE-2022-1786 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2022-1786?
No patch is currently available for CVE-2022-1786. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2022-1786 actively exploited?
No — CVE-2022-1786 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.