Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.10, < 5.12 |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2087760Issue TrackingThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220722-0001/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5161Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2087760Issue TrackingThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220722-0001/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5161Third Party Advisory
FAQ
What is CVE-2022-1786?
CVE-2022-1786 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 fla...
How severe is CVE-2022-1786?
CVE-2022-1786 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-1786?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp H410C Firmware, Netapp H410C, Netapp H300S Firmware, Netapp H300S.