CVE-2021-47414
kernel: riscv: Flush current cpu icache before other cpus
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 21, 2024
Updated · April 28, 2026
Description
A vulnerability was found in the Linux kernel in the function flush_icache_all(), which fails to flush the current CPU's icache (instruction cache), resulting in a potential boot-time error when requesting all other CPUs to flush their icache.
Statement
Red Hat Enterprise Linux is not impacted by this CVE, as the vulnerability in question does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue, and no further action or mitigation is necessary for systems running this operating system.
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 · 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-820 · Missing Synchronization