CVE-2023-2598
Last modified
CVE-2023-2598 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.37% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.3, < 6.3.2 |
| Netapp | Hci Baseboard Management Controller | h300s |
| Netapp | Hci Baseboard Management Controller | h410c |
| Netapp | Hci Baseboard Management Controller | h410s |
| Netapp | Hci Baseboard Management Controller | h500s |
| Netapp | Hci Baseboard Management Controller | h700s |
References
- https://security.netapp.com/advisory/ntap-20230703-0006/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/05/08/3Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230703-0006/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/05/08/3Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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