{"id":"CVE-2022-48663","state":"PUBLISHED","title":"gpio: mockup: fix NULL pointer dereference when removing debugfs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: mockup: fix NULL pointer dereference when removing debugfs\n\nWe now remove the device's debugfs entries when unbinding the driver.\nThis now causes a NULL-pointer dereference on module exit because the\nplatform devices are unregistered *after* the global debugfs directory\nhas been recursively removed. Fix it by unregistering the devices first.","publishedAt":"2024-04-28T13:01:36.158Z","updatedAt":"2026-05-11T18:44:44.124Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3815e66c2183f3430490e450ba16779cf5214ec6","status":"affected","lessThan":"bdea98b98f844bd8a983ca880893e509a8b4162f","versionType":"git"},{"version":"3a10e8edee2b45a654f1f7b05f747129ec84cf9d","status":"affected","lessThan":"18352095a0d581f6aeb1e9fc9d68cc0152cd64b4","versionType":"git"},{"version":"bc55c1677edbe86a1c66a35e800df47dff16ad61","status":"affected","lessThan":"af0bfabf06c74c260265c30ba81a34e7dec0e881","versionType":"git"},{"version":"303e6da99429510b1e4edf833afe90ac8542e747","status":"affected","lessThan":"b7df41a6f79dfb18ba2203f8c5f0e9c0b9b57f68","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-mockup.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5.10.144","status":"affected","lessThan":"5.10.146","versionType":"semver"},{"version":"5.15.69","status":"affected","lessThan":"5.15.71","versionType":"semver"},{"version":"5.19.10","status":"affected","lessThan":"5.19.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-mockup.c"]}],"references":["https://git.kernel.org/stable/c/bdea98b98f844bd8a983ca880893e509a8b4162f","https://git.kernel.org/stable/c/18352095a0d581f6aeb1e9fc9d68cc0152cd64b4","https://git.kernel.org/stable/c/af0bfabf06c74c260265c30ba81a34e7dec0e881","https://git.kernel.org/stable/c/b7df41a6f79dfb18ba2203f8c5f0e9c0b9b57f68"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/48xxx/CVE-2022-48663.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48663","state":"PUBLISHED","datePublished":"2024-04-28T13:01:36.158Z","dateUpdated":"2026-05-11T18:44:44.124Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-25T13:44:28.320Z"},"containers":{"cna":{"title":"gpio: mockup: fix NULL pointer dereference when removing debugfs","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: mockup: fix NULL pointer dereference when removing debugfs\n\nWe now remove the device's debugfs entries when unbinding the driver.\nThis now causes a NULL-pointer dereference on module exit because the\nplatform devices are unregistered *after* the global debugfs directory\nhas been recursively removed. Fix it by unregistering the devices first."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3815e66c2183f3430490e450ba16779cf5214ec6","status":"affected","lessThan":"bdea98b98f844bd8a983ca880893e509a8b4162f","versionType":"git"},{"version":"3a10e8edee2b45a654f1f7b05f747129ec84cf9d","status":"affected","lessThan":"18352095a0d581f6aeb1e9fc9d68cc0152cd64b4","versionType":"git"},{"version":"bc55c1677edbe86a1c66a35e800df47dff16ad61","status":"affected","lessThan":"af0bfabf06c74c260265c30ba81a34e7dec0e881","versionType":"git"},{"version":"303e6da99429510b1e4edf833afe90ac8542e747","status":"affected","lessThan":"b7df41a6f79dfb18ba2203f8c5f0e9c0b9b57f68","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-mockup.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5.10.144","status":"affected","lessThan":"5.10.146","versionType":"semver"},{"version":"5.15.69","status":"affected","lessThan":"5.15.71","versionType":"semver"},{"version":"5.19.10","status":"affected","lessThan":"5.19.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-mockup.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bdea98b98f844bd8a983ca880893e509a8b4162f"},{"url":"https://git.kernel.org/stable/c/18352095a0d581f6aeb1e9fc9d68cc0152cd64b4"},{"url":"https://git.kernel.org/stable/c/af0bfabf06c74c260265c30ba81a34e7dec0e881"},{"url":"https://git.kernel.org/stable/c/b7df41a6f79dfb18ba2203f8c5f0e9c0b9b57f68"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:44:44.124Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.144","versionEndExcluding":"5.10.146"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.69","versionEndExcluding":"5.15.71"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19.10","versionEndExcluding":"5.19.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/bdea98b98f844bd8a983ca880893e509a8b4162f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/18352095a0d581f6aeb1e9fc9d68cc0152cd64b4","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/af0bfabf06c74c260265c30ba81a34e7dec0e881","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b7df41a6f79dfb18ba2203f8c5f0e9c0b9b57f68","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T15:17:55.854Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48663","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:45:58.565669Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:33:54.124Z"}}]}}}