CVE-2023-53309
kernel: Linux kernel: Denial of Service via integer overflow in radeon_cs_parser_init
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 16, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's drm/radeon component. A local attacker with low privileges could exploit an integer overflow vulnerability in the radeon_cs_parser_init function. This flaw causes a size variable to become zero, leading to the referencing of uninitialized memory. This can result in a system crash, causing a denial of service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-190 · Integer Overflow or Wraparound