CVE-2022-1043: Linux Kernel io_uring Use-After-Free Privilege Escalation Vulnerability
First published: Wed Aug 25 2021(Updated: )
A flaw was found in the Linux kernel’s io_uring implementation. This flaw allows an attacker with a local account to corrupt system memory, crash the system or escalate privileges.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=5.10.51<5.10.61 | |
| Linux Linux kernel | >=5.11<5.13.13 | |
| redhat/kernel | <5.14 | 5.14 |
| Linux kernel |
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Reference Links
- http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Escalation.html
- https://access.redhat.com/security/cve/CVE-2022-1043
- https://bugzilla.redhat.com/show_bug.cgi?id=1997328
- https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14
- https://www.zerodayinitiative.com/advisories/ZDI-22-362/
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