High severity7.8NVD Advisory· Published May 28, 2026· Updated Jun 24, 2026
CVE-2026-46122
CVE-2026-46122
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: b43: enforce bounds check on firmware key index in b43_rx()
The firmware-controlled key index in b43_rx() can exceed the dev->key[] array size (58 entries). The existing B43_WARN_ON is non-enforcing in production builds, allowing an out-of-bounds read.
Make the B43_WARN_ON check enforcing by dropping the frame when the firmware returns an invalid key index.
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Affected products
19- osv-coords15 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 2.6.24, < 5.10.258+ 14 more
- (no CPE)range: >= 2.6.24, < 5.10.258
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1.160000.2.19
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 7.0.11-1.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/135cb49c9a42a02cceeac7b49ec03e267f7ed6d6nvdPatch
- git.kernel.org/stable/c/1e9e55cf66f0fa4799f4d86ef3aaba8e606b5c14nvdPatch
- git.kernel.org/stable/c/1f4f78bf8549e6ac4f04fba4176854f3a6e0c332nvdPatch
- git.kernel.org/stable/c/219ba67e69e49681e48c822d6eaafb5def032f34nvdPatch
- git.kernel.org/stable/c/3157ad40b084a8f3932da2641749ab45e99b933envdPatch
- git.kernel.org/stable/c/765709720e6af9a178abc40244a8d1aa39ac4e71nvdPatch
- git.kernel.org/stable/c/c3d7b90dc95020cd9282c4630e402fe224f7644envdPatch
- git.kernel.org/stable/c/d7029879bafdac2006c67553807d122283dc6cbfnvdPatch
News mentions
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