{"id":"CVE-2022-50169","state":"PUBLISHED","title":"wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()\n\nThe simple_write_to_buffer() function will succeed if even a single\nbyte is initialized.  However, we need to initialize the whole buffer\nto prevent information leaks.  Just use memdup_user().","publishedAt":"2025-06-18T11:03:22.397Z","updatedAt":"2026-05-11T19:14:09.043Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"c1216e699a1ce83ea005510844bd7508d34c6cef","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"4615458db7793fadc6d546ac3564b36819e77a22","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"60c9983425167ec5073c628d83a6875760d18059","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"05ceda14ef7c73104e709c414c3680d8a59f51d4","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"074e865b37da55aa87baa16d68b96896f85f8adb","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"789edc1af9c1a2293956e8534bfef3d18d629de9","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"67470920cd3f3cb38699b1ad23234f96bead4d21","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"7a4836560a6198d245d5732e26f94898b12eb760","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/wil6210/debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.14.291","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/wil6210/debugfs.c"]}],"references":["https://git.kernel.org/stable/c/c1216e699a1ce83ea005510844bd7508d34c6cef","https://git.kernel.org/stable/c/4615458db7793fadc6d546ac3564b36819e77a22","https://git.kernel.org/stable/c/60c9983425167ec5073c628d83a6875760d18059","https://git.kernel.org/stable/c/05ceda14ef7c73104e709c414c3680d8a59f51d4","https://git.kernel.org/stable/c/074e865b37da55aa87baa16d68b96896f85f8adb","https://git.kernel.org/stable/c/789edc1af9c1a2293956e8534bfef3d18d629de9","https://git.kernel.org/stable/c/67470920cd3f3cb38699b1ad23234f96bead4d21","https://git.kernel.org/stable/c/7a4836560a6198d245d5732e26f94898b12eb760"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50169.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50169","state":"PUBLISHED","datePublished":"2025-06-18T11:03:22.397Z","dateUpdated":"2026-05-11T19:14:09.043Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.426Z"},"containers":{"cna":{"title":"wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()\n\nThe simple_write_to_buffer() function will succeed if even a single\nbyte is initialized.  However, we need to initialize the whole buffer\nto prevent information leaks.  Just use memdup_user()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"c1216e699a1ce83ea005510844bd7508d34c6cef","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"4615458db7793fadc6d546ac3564b36819e77a22","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"60c9983425167ec5073c628d83a6875760d18059","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"05ceda14ef7c73104e709c414c3680d8a59f51d4","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"074e865b37da55aa87baa16d68b96896f85f8adb","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"789edc1af9c1a2293956e8534bfef3d18d629de9","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"67470920cd3f3cb38699b1ad23234f96bead4d21","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"7a4836560a6198d245d5732e26f94898b12eb760","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/wil6210/debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.14.291","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/wil6210/debugfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c1216e699a1ce83ea005510844bd7508d34c6cef"},{"url":"https://git.kernel.org/stable/c/4615458db7793fadc6d546ac3564b36819e77a22"},{"url":"https://git.kernel.org/stable/c/60c9983425167ec5073c628d83a6875760d18059"},{"url":"https://git.kernel.org/stable/c/05ceda14ef7c73104e709c414c3680d8a59f51d4"},{"url":"https://git.kernel.org/stable/c/074e865b37da55aa87baa16d68b96896f85f8adb"},{"url":"https://git.kernel.org/stable/c/789edc1af9c1a2293956e8534bfef3d18d629de9"},{"url":"https://git.kernel.org/stable/c/67470920cd3f3cb38699b1ad23234f96bead4d21"},{"url":"https://git.kernel.org/stable/c/7a4836560a6198d245d5732e26f94898b12eb760"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:14:09.043Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.14.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}