VulnerabilityModified
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.
HIGH 7.8EPSS 1.37%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.37% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416, CWE-787
- Affected
- linux/linux kernel · netapp/hci baseboard management controller
- Source
- secalert@redhat.com
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 List, Third 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 List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.