High severity7.8NVD Advisory· Published Jun 1, 2023· Updated Jun 17, 2026
CVE-2023-2598
CVE-2023-2598
Description
A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.
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Affected products
3Patches
Vulnerability mechanics
References
3- security.netapp.com/advisory/ntap-20230703-0006/nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2023/05/08/3nvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2024/04/24/3nvd
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