CVE-2023-2598
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJun 1, 2023
First seenJun 1, 2023
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel6.3.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.3 ≤ v < 6.3.2 | 6.3.2 |
| netapp hci_baseboard_management_controller | h300s, h410c, h410s, h500s, h700s | — |
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