High severity8.8NVD Advisory· Published May 6, 2026· Updated Jun 1, 2026
CVE-2026-43110
CVE-2026-43110
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: brcmfmac: validate bsscfg indices in IF events
brcmf_fweh_handle_if_event() validates the firmware-provided interface index before it touches drvr->iflist[], but it still uses the raw bsscfgidx field as an array index without a matching range check.
Reject IF events whose bsscfg index does not fit in drvr->iflist[] before indexing the interface array.
[add missing wifi prefix]
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
91cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=3.9,<6.6.136
- cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*
- (no CPE)
- osv-coords82 versionspkg:apk/chainguard/linux-aws-6.18pkg:apk/chainguard/linux-azure-6.18pkg:apk/chainguard/linux-gcp-6.18pkg:apk/chainguard/linux-qemu-6.18pkg:apk/chainguard/linux-qemu-6.18-bootc-boot-installedpkg:apk/chainguard/linux-vmware-6.18pkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-64kpkg:rpm/almalinux/kernel-64k-corepkg:rpm/almalinux/kernel-64k-debugpkg:rpm/almalinux/kernel-64k-debug-corepkg:rpm/almalinux/kernel-64k-debug-develpkg:rpm/almalinux/kernel-64k-debug-devel-matchedpkg:rpm/almalinux/kernel-64k-debug-modulespkg:rpm/almalinux/kernel-64k-debug-modules-corepkg:rpm/almalinux/kernel-64k-debug-modules-extrapkg:rpm/almalinux/kernel-64k-develpkg:rpm/almalinux/kernel-64k-devel-matchedpkg:rpm/almalinux/kernel-64k-modulespkg:rpm/almalinux/kernel-64k-modules-corepkg:rpm/almalinux/kernel-64k-modules-extrapkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-devel-matchedpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-corepkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-debug-uki-virtpkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-devel-matchedpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-corepkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-modules-extra-matchedpkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-64kpkg:rpm/almalinux/kernel-rt-64k-corepkg:rpm/almalinux/kernel-rt-64k-debugpkg:rpm/almalinux/kernel-rt-64k-debug-corepkg:rpm/almalinux/kernel-rt-64k-debug-develpkg:rpm/almalinux/kernel-rt-64k-debug-modulespkg:rpm/almalinux/kernel-rt-64k-debug-modules-corepkg:rpm/almalinux/kernel-rt-64k-debug-modules-extrapkg:rpm/almalinux/kernel-rt-64k-develpkg:rpm/almalinux/kernel-rt-64k-modulespkg:rpm/almalinux/kernel-rt-64k-modules-corepkg:rpm/almalinux/kernel-rt-64k-modules-extrapkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-rt-debug-modules-corepkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-corepkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-uki-virtpkg:rpm/almalinux/kernel-uki-virt-addonspkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-devel-matchedpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-modules-corepkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/libperfpkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/almalinux/rtlapkg:rpm/almalinux/rv
< 6.18.31-r0+ 81 more
- (no CPE)range: < 6.18.31-r0
- (no CPE)range: < 6.18.24-r1
- (no CPE)range: < 6.18.31-r0
- (no CPE)range: < 6.18.31-r0
- (no CPE)range: < 6.18.31-r0
- (no CPE)range: < 6.18.31-r0
- (no CPE)range: < 4.18.0-553.134.1.el8_10
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
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- (no CPE)range: < 5.14.0-687.12.1.el9_8
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- (no CPE)range: < 5.14.0-687.12.1.el9_8
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- (no CPE)range: < 5.14.0-687.12.1.el9_8
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- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 6.12.0-211.18.1.el10_2
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
- (no CPE)range: < 5.14.0-687.12.1.el9_8
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/1ae1e1caa428844e481231f6dbe9b4f475f1d52dnvdPatch
- git.kernel.org/stable/c/304950a467d83678bd0b0f46331882e2ac23b12dnvdPatch
- git.kernel.org/stable/c/3ec7437e9d11374105c2c4e47ae671537729d7e6nvdPatch
- git.kernel.org/stable/c/9fca68c2512a362cad258e4df12a307bb2ee4b8envdPatch
- git.kernel.org/stable/c/b427c2b05222db36d32ee141609de6128e9091bbnvdPatch
- git.kernel.org/stable/c/2ae3ccb78c0a9ef5ee3d80d02ab319ac1d5af734nvd
- git.kernel.org/stable/c/9c81bcc2c695e0082012a2a3d36a0eefaa51579cnvd
- git.kernel.org/stable/c/b329fbcf075949a038045d8e9b86ae3d5bbd8a54nvd
News mentions
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