CVE-2024-38606 crypto: qat - validate slices count returned by FW
A missing validation in the Linux kernel QAT driver could allow an out-of-bounds memory read, potentially disclosing sensitive kernel memory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-38606?
CVE-2024-38606 is a high-severity vulnerability in Linux kernel, published on 19 Jun 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
crypto: qat - validate slices count returned by FW
The function adf_send_admin_tl_start() enables the telemetry (TL) feature on a QAT device by sending the ICP_QAT_FW_TL_START message to the firmware. This triggers the FW to start writing TL data to a DMA buffer in memory and returns an array containing the number of accelerators of each type (slices) supported by this HW. The pointer to this array is stored in the adf_tl_hw_data data structure called slice_cnt.
The array slice_cnt is then used in the function tl_print_dev_data() to report in debugfs only statistics about the supported accelerators. An incorrect value of the elements in slice_cnt might lead to an out of bounds memory read. At the moment, there isn't an implementation of FW that returns a wrong value, but for robustness validate the slice count array returned by FW.
Weakness: CWE-125
Which versions are affected by CVE-2024-38606?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-38606?
Apply the vendor's patch.
Is CVE-2024-38606 being exploited?
There is no known exploitation of CVE-2024-38606 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-38606, DEBIAN-CVE-2024-38606, GHSA-r8c3-h27x-qrpx, UBUNTU-CVE-2024-38606.