wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-64212
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-24 16:16:48 UTC
Updated2026-07-24 16:16:48 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it In iwl_mld_remove_link, the link->fw_id is saved at the beginning of the function so we have it after we freed the link. But the link pointer can be NULL, and is not checked when the fw_id is stored. Fix it by simply freeing the link at the end of the function. fFixes: 0e66a39f4f0e ("wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link()")

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 3a74aaad047353da3344aed32e9042d4f334f926 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b6b4db85c7baf0788c5e7ec61350c1ff2bb775e0 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 d733ed481fd20a8e7bfe5119c4e77761ba3f87ee git Not specified
CNA Linux Linux affected 6.18.34 semver Not specified
CNA Linux Linux affected 7.0.11 semver Not specified
CNA Linux Linux unaffected 6.18.34 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.11 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/d733ed481fd20a8e7bfe5119c4e77761ba3f87ee 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3a74aaad047353da3344aed32e9042d4f334f926 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b6b4db85c7baf0788c5e7ec61350c1ff2bb775e0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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