Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.3, < 6.3.2 |
| Netapp | Hci Baseboard Management Controller | h300s |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://security.netapp.com/advisory/ntap-20230703-0006/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/05/08/3Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://security.netapp.com/advisory/ntap-20230703-0006/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/05/08/3Mailing ListThird Party Advisory
FAQ
What is CVE-2023-2598?
CVE-2023-2598 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 o...
How severe is CVE-2023-2598?
CVE-2023-2598 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-2023-2598?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Hci Baseboard Management Controller.