CVE-2020-28588
kernel: information leak in the syscall implementation on 32-bit systems
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 3, 2020
Updated · June 28, 2026
Description
A flaw read uninitialized values in the Linux kernel syscall implementation on 32 bit-systems was found in the way user reading /proc/self/syscall. A local user could use this flaw to read three 64 bits uninitialized values, but cannot control which values. The highest threat from this vulnerability is to confidentiality.
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 · 2.9CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-908 · Use of Uninitialized Resource