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.
Product status
ec0467ccbdeb69a86c8729073057bda7bce00eec (git) before d652ef399f131fcd5f8f34266167449ee7c9e5b3
ec0467ccbdeb69a86c8729073057bda7bce00eec (git) before 5590cd04d6845c01a6bad985a491c58af6fb5389
ec0467ccbdeb69a86c8729073057bda7bce00eec (git) before a11d03d116eef138a7249202bd772c8e61915aec
ec0467ccbdeb69a86c8729073057bda7bce00eec (git) before d0559d07afabfddaaded6a61a16154486b956764
ec0467ccbdeb69a86c8729073057bda7bce00eec (git) before 2e4d5e8d86a969318340be95470bb76e52392082
ec0467ccbdeb69a86c8729073057bda7bce00eec (git) before a133e3caf844a3f56b6eef89ddaa66115874f6bd
ec0467ccbdeb69a86c8729073057bda7bce00eec (git) before 1a867d0d79a4a570a33f2f433919ad2bd7a27b67
ec0467ccbdeb69a86c8729073057bda7bce00eec (git) before 186615f8855a0be4ee7d3fcd09a8ecc10e783b08
4.15
Any version before 4.15
5.10.252 (semver)
5.15.202 (semver)
6.1.165 (semver)
6.6.128 (semver)
6.12.75 (semver)
6.18.16 (semver)
6.19.6 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/d652ef399f131fcd5f8f34266167449ee7c9e5b3
git.kernel.org/...c/5590cd04d6845c01a6bad985a491c58af6fb5389
git.kernel.org/...c/a11d03d116eef138a7249202bd772c8e61915aec
git.kernel.org/...c/d0559d07afabfddaaded6a61a16154486b956764
git.kernel.org/...c/2e4d5e8d86a969318340be95470bb76e52392082
git.kernel.org/...c/a133e3caf844a3f56b6eef89ddaa66115874f6bd
git.kernel.org/...c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67
git.kernel.org/...c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08