{"id":"CVE-2026-22978","title":"wifi: avoid kernel-infoleak from struct iw_point","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: avoid kernel-infoleak from struct iw_point\n\nstruct iw_point has a 32bit hole on 64bit arches.\n\nstruct iw_point {\n  void __user   *pointer;       /* Pointer to the…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < d943b5f592767b107ba8c12a902f17431350378c","Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < a3827e310b5a73535646ef4a552d53b3c8bf74f6","Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < 442ceac0393185e9982323f6682a52a53e8462b1","Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8","Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < 024f71a57d563fbe162e528c8bf2d27e9cac7c7b","Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < e3c35177103ead4658b8a62f41e3080d45885464","Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < 21cbf883d073abbfe09e3924466aa5e0449e7261","Linux 2.6.27"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:17:32.819777Z"},"published":"2026-01-23","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:23:13.323Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-22978","references":[{"url":"https://git.kernel.org/stable/c/d943b5f592767b107ba8c12a902f17431350378c"},{"url":"https://git.kernel.org/stable/c/a3827e310b5a73535646ef4a552d53b3c8bf74f6"},{"url":"https://git.kernel.org/stable/c/442ceac0393185e9982323f6682a52a53e8462b1"},{"url":"https://git.kernel.org/stable/c/d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8"},{"url":"https://git.kernel.org/stable/c/024f71a57d563fbe162e528c8bf2d27e9cac7c7b"},{"url":"https://git.kernel.org/stable/c/e3c35177103ead4658b8a62f41e3080d45885464"},{"url":"https://git.kernel.org/stable/c/21cbf883d073abbfe09e3924466aa5e0449e7261"}],"tags":["cve.org"],"epss":0.00138,"epssPercentile":0.03197,"ingestedAt":"2026-11-05T22:38:32.063Z","slug":"CVE-2026-22978","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: avoid kernel-infoleak from struct iw_point\n\nstruct iw_point has a 32bit hole on 64bit arches.\n\nstruct iw_point {\n  void __user   *pointer;       /* Pointer to the data  (in user space) */\n  __u16         length;         /* number of fields or size in bytes */\n  __u16         flags;          /* Optional params */\n};\n\nMake sure to zero the structure to avoid disclosing 32bits of kernel data\nto user space.\n\n## Affected\n\n- `Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < d943b5f592767b107ba8c12a902f17431350378c`\n- `Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < a3827e310b5a73535646ef4a552d53b3c8bf74f6`\n- `Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < 442ceac0393185e9982323f6682a52a53e8462b1`\n- `Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8`\n- `Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < 024f71a57d563fbe162e528c8bf2d27e9cac7c7b`\n- `Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < e3c35177103ead4658b8a62f41e3080d45885464`\n- `Linux >= 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 < 21cbf883d073abbfe09e3924466aa5e0449e7261`\n- `Linux 2.6.27`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}