CVE-2026-43141
ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.15
References 8
git.kernel.org
- stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3
- stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389
- stable/c/a11d03d116eef138a7249202bd772c8e61915aec
- stable/c/d0559d07afabfddaaded6a61a16154486b956764
- stable/c/2e4d5e8d86a969318340be95470bb76e52392082
- stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd
- stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67
- stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08