CVE-2026-80523
HIGH
Published Aug 26, 2026
Modified Aug 27, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: clk: spacemit: k3: set hdma clock as critical HDMA clock is responsible for the internal TCM access path of X100 RISC-V core, so set the clock flag as critical to prevent it from being shut off, otherwise the Linux system will hang, for example in the case of a vector instruction access generates a page fault.
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CVSS v3.1 Score
7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS — Exploit Prediction
0.0016
Probability of exploitation
0.04%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Frequently Asked Questions
What is CVE-2026-80523? +
In the Linux kernel, the following vulnerability has been resolved:
clk: spacemit: k3: set hdma clock as critical
HDMA clock is responsible for the internal TCM access path of X100 RISC-V
core, so set the clock flag as critical to prevent it from being shut off,
otherwise the Linux system will hang, for example in the case of a vector
instruction access generates a page fault. It has a CVSS v3.1 base score of 7.1 (HIGH).
How severe is CVE-2026-80523? +
CVE-2026-80523 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-80523? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.
