Out-of-bounds read in Linux kernel - CVE-2023-2598

 

Out-of-bounds read in Linux kernel - CVE-2023-2598

Published: May 11, 2023 / Updated: April 5, 2024


Vulnerability identifier: #VU76043
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-2598
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the io_sqe_buffer_register() function in io_uring/rsrc.c. A local user can trigger an out-of-bounds read error and read contents of memory on the system.


Affected software

Linux kernel

How to mitigate CVE-2023-2598

Install updates from vendor's website.

Linux kernel - update to 6.3 rc1

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins