Use After Free in Linux Linux_kernel
CVE-2023-2598
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 lo…
Vulnerability class: Use-After-Free
EPSS: 0.014 (68.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Netapp Hci_baseboard_management_controller — versions h300s, h410c, h410s
- N/a Kernel — versions Kernel prior to 6.4-rc1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Mailing List, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (mailing-list)
Frequently asked questions
- What is CVE-2023-2598?
- CVE-2023-2598 is a high-severity vulnerability in Linux Linux_kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2023-06-01.
- How severe is CVE-2023-2598?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-2598 known to be exploited?
- 26 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.