GSD-2021-1000082 mtd: physmap: physmap-bt1-rom: Fix unintentional stack access
A stack access error in the Linux kernel MTD physmap driver could allow local attackers to execute 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-2021-1000082?
GSD-2021-1000082 is a memory corruption vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mtd: physmap: physmap-bt1-rom: Fix unintentional stack access
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 v5.12.3 by commit 4d786870e3262ec098a3b4ed10b895176bc66ecb, it was introduced in version v5.10 by commit b3e79e7682e075326df8041b826b03453acacd0a. For more details please see the references link.
Which versions are affected by GSD-2021-1000082?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000082?
No fix has been published for GSD-2021-1000082 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1000082 being exploited?
There is no known exploitation of GSD-2021-1000082 in the wild and no public exploit code.