CVE-2026-46145

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rx_hash_key_len Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.

CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0014

Probability of exploitation

0.03%

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

Other References

https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838 https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287 https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425 https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72 https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f

Frequently Asked Questions

What is CVE-2026-46145? +

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rx_hash_key_len Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-46145? +

CVE-2026-46145 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0014, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-46145? +

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.