GSD-2021-1001698 riscv: Flush current cpu icache before other cpus
A race condition in the RISC-V kernel icache flushing allows local attackers to potentially execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001698?
GSD-2021-1001698 is a vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
riscv: Flush current cpu icache before other cpus
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.12 by commit f1c7aa87c423e765e3862349c2f095fdfccdd9b3, it was introduced in version v4.15 by commit fab957c11efe2f405e08b9f0d080524bc2631428. For more details please see the references link.
Which versions are affected by GSD-2021-1001698?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001698?
No fix has been published for GSD-2021-1001698 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001698 being exploited?
There is no known exploitation of GSD-2021-1001698 in the wild and no public exploit code.