CVE-2022-25332 SK_LOAD timing side channel during AES module decryption in Texas Instruments OMAP L138
An attacker with non-secure supervisor privileges can recover the Customer Encryption Key via a timing side channel in the AES module.
- 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 CVE-2022-25332?
CVE-2022-25332 is a medium-severity vulnerability in Texas Instruments OMAP, published on 19 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The AES implementation in the Texas Instruments OMAP L138 (secure variants), present in mask ROM, suffers from a timing side channel which can be exploited by an adversary with non-secure supervisor privileges by managing cache contents and collecting timing information for different ciphertext inputs. Using this side channel, the SK_LOAD secure kernel routine can be used to recover the Customer Encryption Key (CEK).
Which versions are affected by CVE-2022-25332?
It affects 1 product.
Products include Ti Omap L138 Firmware.
How do I fix CVE-2022-25332?
No fix has been published for CVE-2022-25332 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-25332 being exploited?
There is no known exploitation of CVE-2022-25332 in the wild and no public exploit code.
Other vulnerabilities in Texas Instruments OMAP
Sources
Also known as GHSA-3jg7-ghg4-5pxr.