CVE-2026-64212 is a vulnerability in Linux Kernel
Published on July 24, 2026
wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it
In 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()")
Products Associated with CVE-2026-64212
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Affected Versions
Linux:- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 3a74aaad047353da3344aed32e9042d4f334f926 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below b6b4db85c7baf0788c5e7ec61350c1ff2bb775e0 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below d733ed481fd20a8e7bfe5119c4e77761ba3f87ee is affected.
- Before 6.18.34 is affected.
- Before 7.0.11 is affected.
- Version 6.18.34, <= 6.18.* is unaffected.
- Version 7.0.11, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.