Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut Number of MW LUTs depends on NTB configuration and can be set to zero, in such scenario rounddown_pow_of_two will cause undefined behaviour and should not be performed. This patch ensures that rounddown_pow_of_two is called on valid value.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.15, < 5.10.252 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08Patch
- https://git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67Patch
- https://git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082Patch
- https://git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389Patch
- https://git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aecPatch
- https://git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bdPatch
- https://git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764Patch
- https://git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3Patch
FAQ
What is CVE-2026-43141?
CVE-2026-43141 is a vulnerability with a CVSS score of 7.1 (HIGH). In the Linux kernel, the following vulnerability has been resolved: ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut Number of MW LUTs depends on NTB configuration and can be set to zero,...
How severe is CVE-2026-43141?
CVE-2026-43141 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-43141?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.