{"id":"CVE-2022-50165","state":"PUBLISHED","title":"wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()`","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()`\n\nCommit 7a4836560a61 changes simple_write_to_buffer() with memdup_user()\nbut it forgets to change the value to be returned that came from\nsimple_write_to_buffer() call. It results in the following warning:\n\n  warning: variable 'rc' is uninitialized when used here [-Wuninitialized]\n           return rc;\n                  ^~\n\nRemove rc variable and just return the passed in length if the\nmemdup_user() succeeds.","publishedAt":"2025-06-18T11:03:19.539Z","updatedAt":"2026-05-11T19:14:04.397Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"b13c84e877d7a3095bacb14665db304b2c00e95f","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"c9fde3a44da566d8929070ab6bda4f0dfa9955d0","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"52b11a48cf073e0aab923ae809a765d756cecf13","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"6c5fee83bdbeffe8d607d1ab125122a75f40bd1a","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"689e5caf63e99e15d2f485ec297c1bf9243e0e28","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"d4742c886043b69d2d058bfde3998ef333b66595","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"409bd72e544fdf4809ea0dac337bb5a1f11a25a9","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"d578e0af3a003736f6c440188b156483d451b329","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/b13c84e877d7a3095bacb14665db304b2c00e95f","https://git.kernel.org/stable/c/c9fde3a44da566d8929070ab6bda4f0dfa9955d0","https://git.kernel.org/stable/c/52b11a48cf073e0aab923ae809a765d756cecf13","https://git.kernel.org/stable/c/6c5fee83bdbeffe8d607d1ab125122a75f40bd1a","https://git.kernel.org/stable/c/689e5caf63e99e15d2f485ec297c1bf9243e0e28","https://git.kernel.org/stable/c/d4742c886043b69d2d058bfde3998ef333b66595","https://git.kernel.org/stable/c/409bd72e544fdf4809ea0dac337bb5a1f11a25a9","https://git.kernel.org/stable/c/d578e0af3a003736f6c440188b156483d451b329"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50165.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50165","state":"PUBLISHED","datePublished":"2025-06-18T11:03:19.539Z","dateUpdated":"2026-05-11T19:14:04.397Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.426Z"},"containers":{"cna":{"title":"wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()`","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()`\n\nCommit 7a4836560a61 changes simple_write_to_buffer() with memdup_user()\nbut it forgets to change the value to be returned that came from\nsimple_write_to_buffer() call. It results in the following warning:\n\n  warning: variable 'rc' is uninitialized when used here [-Wuninitialized]\n           return rc;\n                  ^~\n\nRemove rc variable and just return the passed in length if the\nmemdup_user() succeeds."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"b13c84e877d7a3095bacb14665db304b2c00e95f","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"c9fde3a44da566d8929070ab6bda4f0dfa9955d0","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"52b11a48cf073e0aab923ae809a765d756cecf13","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"6c5fee83bdbeffe8d607d1ab125122a75f40bd1a","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"689e5caf63e99e15d2f485ec297c1bf9243e0e28","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"d4742c886043b69d2d058bfde3998ef333b66595","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"409bd72e544fdf4809ea0dac337bb5a1f11a25a9","versionType":"git"},{"version":"ff974e4083341383d3dd4079e52ed30f57f376f0","status":"affected","lessThan":"d578e0af3a003736f6c440188b156483d451b329","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/b13c84e877d7a3095bacb14665db304b2c00e95f"},{"url":"https://git.kernel.org/stable/c/c9fde3a44da566d8929070ab6bda4f0dfa9955d0"},{"url":"https://git.kernel.org/stable/c/52b11a48cf073e0aab923ae809a765d756cecf13"},{"url":"https://git.kernel.org/stable/c/6c5fee83bdbeffe8d607d1ab125122a75f40bd1a"},{"url":"https://git.kernel.org/stable/c/689e5caf63e99e15d2f485ec297c1bf9243e0e28"},{"url":"https://git.kernel.org/stable/c/d4742c886043b69d2d058bfde3998ef333b66595"},{"url":"https://git.kernel.org/stable/c/409bd72e544fdf4809ea0dac337bb5a1f11a25a9"},{"url":"https://git.kernel.org/stable/c/d578e0af3a003736f6c440188b156483d451b329"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:14:04.397Z"},"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"}}}}}