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Description

In the Linux kernel, the following vulnerability has been resolved: wifi: avoid kernel-infoleak from struct iw_point struct iw_point has a 32bit hole on 64bit arches. struct iw_point { void __user *pointer; /* Pointer to the data (in user space) */ __u16 length; /* number of fields or size in bytes */ __u16 flags; /* Optional params */ }; Make sure to zero the structure to avoid disclosing 32bits of kernel data to user space.

PUBLISHED Reserved 2026-01-13 | Published 2026-01-23 | Updated 2026-02-09 | Assigner Linux

Product status

Default status
unaffected

87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 (git) before d943b5f592767b107ba8c12a902f17431350378c
affected

87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 (git) before a3827e310b5a73535646ef4a552d53b3c8bf74f6
affected

87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 (git) before 442ceac0393185e9982323f6682a52a53e8462b1
affected

87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 (git) before d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8
affected

87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 (git) before 024f71a57d563fbe162e528c8bf2d27e9cac7c7b
affected

87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 (git) before e3c35177103ead4658b8a62f41e3080d45885464
affected

87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 (git) before 21cbf883d073abbfe09e3924466aa5e0449e7261
affected

Default status
affected

2.6.27
affected

Any version before 2.6.27
unaffected

5.10.248 (semver)
unaffected

5.15.198 (semver)
unaffected

6.1.161 (semver)
unaffected

6.6.121 (semver)
unaffected

6.12.66 (semver)
unaffected

6.18.6 (semver)
unaffected

6.19 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/d943b5f592767b107ba8c12a902f17431350378c

git.kernel.org/...c/a3827e310b5a73535646ef4a552d53b3c8bf74f6

git.kernel.org/...c/442ceac0393185e9982323f6682a52a53e8462b1

git.kernel.org/...c/d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8

git.kernel.org/...c/024f71a57d563fbe162e528c8bf2d27e9cac7c7b

git.kernel.org/...c/e3c35177103ead4658b8a62f41e3080d45885464

git.kernel.org/...c/21cbf883d073abbfe09e3924466aa5e0449e7261

cve.org (CVE-2026-22978)

nvd.nist.gov (CVE-2026-22978)

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