CVE-2026-43141
highIn 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…
Vendor / product: Linux — linux kernel
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
7.1
7.1 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-05-06 12:16
Modified: 2026-11-11 21:10
NVD status: Analyzed
Last synced 5 hours ago
Verified against the source API 2026-11-11 21:11 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linux / linux_kernel ≥4.15 <5.10.252, ≥5.11 <5.15.202, ≥5.16 <6.1.165, ≥6.2 <6.6.128, ≥6.7 <6.12.75, ≥6.13 <6.18.16
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08
Patch / mitigation: https://git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67
Patch / mitigation: https://git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082
Patch / mitigation: https://git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389
Patch / mitigation: https://git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aec
Patch / mitigation: https://git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd
Patch / mitigation: https://git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764
Patch / mitigation: https://git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3
References
- https://git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aec 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Data sources
NVD CVE API 2.0 — fetched 2026-11-11 21:11 UTC · record ↗