{"id":"CVE-2022-50538","state":"PUBLISHED","title":"vme: Fix error not catched in fake_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvme: Fix error not catched in fake_init()\n\nIn fake_init(), __root_device_register() is possible to fail but it's\nignored, which can cause unregistering vme_root fail when exit.\n\n general protection fault,\n probably for non-canonical address 0xdffffc000000008c\n KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467]\n RIP: 0010:root_device_unregister+0x26/0x60\n Call Trace:\n  <TASK>\n  __x64_sys_delete_module+0x34f/0x540\n  do_syscall_64+0x38/0x90\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nReturn error when __root_device_register() fails.","publishedAt":"2025-10-07T15:21:04.428Z","updatedAt":"2026-05-11T19:21:21.843Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"e831fdd60e5863ee03173baf5a0f7c5450b44381","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"69b43937f14bdc3594f57f1a507a14f3d1187136","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"09be0e7ac5f9374b6f8de72c89ed67129af71f65","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"f3f65c4177846c483bf009f8c512ab04b3c62466","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"4bc217b25ea81034fad8e33fd33e4659f086421d","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"a2a93546d414c7fe4862b87183fb737d1300d9d2","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"60ff9bd4ffc87bace581e235a6728f5ac8e5071f","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"7bef797d707f1744f71156b21d41e3b8c946631f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/vme_user/vme_fake.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/vme_user/vme_fake.c"]}],"references":["https://git.kernel.org/stable/c/e831fdd60e5863ee03173baf5a0f7c5450b44381","https://git.kernel.org/stable/c/69b43937f14bdc3594f57f1a507a14f3d1187136","https://git.kernel.org/stable/c/09be0e7ac5f9374b6f8de72c89ed67129af71f65","https://git.kernel.org/stable/c/f3f65c4177846c483bf009f8c512ab04b3c62466","https://git.kernel.org/stable/c/37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c","https://git.kernel.org/stable/c/4bc217b25ea81034fad8e33fd33e4659f086421d","https://git.kernel.org/stable/c/a2a93546d414c7fe4862b87183fb737d1300d9d2","https://git.kernel.org/stable/c/60ff9bd4ffc87bace581e235a6728f5ac8e5071f","https://git.kernel.org/stable/c/7bef797d707f1744f71156b21d41e3b8c946631f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50538.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50538","state":"PUBLISHED","datePublished":"2025-10-07T15:21:04.428Z","dateUpdated":"2026-05-11T19:21:21.843Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-07T15:15:38.666Z"},"containers":{"cna":{"title":"vme: Fix error not catched in fake_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvme: Fix error not catched in fake_init()\n\nIn fake_init(), __root_device_register() is possible to fail but it's\nignored, which can cause unregistering vme_root fail when exit.\n\n general protection fault,\n probably for non-canonical address 0xdffffc000000008c\n KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467]\n RIP: 0010:root_device_unregister+0x26/0x60\n Call Trace:\n  <TASK>\n  __x64_sys_delete_module+0x34f/0x540\n  do_syscall_64+0x38/0x90\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nReturn error when __root_device_register() fails."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"e831fdd60e5863ee03173baf5a0f7c5450b44381","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"69b43937f14bdc3594f57f1a507a14f3d1187136","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"09be0e7ac5f9374b6f8de72c89ed67129af71f65","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"f3f65c4177846c483bf009f8c512ab04b3c62466","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"4bc217b25ea81034fad8e33fd33e4659f086421d","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"a2a93546d414c7fe4862b87183fb737d1300d9d2","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"60ff9bd4ffc87bace581e235a6728f5ac8e5071f","versionType":"git"},{"version":"658bcdae9c6755806e66b33e29d56b33a3ff421a","status":"affected","lessThan":"7bef797d707f1744f71156b21d41e3b8c946631f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/vme_user/vme_fake.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/vme_user/vme_fake.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e831fdd60e5863ee03173baf5a0f7c5450b44381"},{"url":"https://git.kernel.org/stable/c/69b43937f14bdc3594f57f1a507a14f3d1187136"},{"url":"https://git.kernel.org/stable/c/09be0e7ac5f9374b6f8de72c89ed67129af71f65"},{"url":"https://git.kernel.org/stable/c/f3f65c4177846c483bf009f8c512ab04b3c62466"},{"url":"https://git.kernel.org/stable/c/37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c"},{"url":"https://git.kernel.org/stable/c/4bc217b25ea81034fad8e33fd33e4659f086421d"},{"url":"https://git.kernel.org/stable/c/a2a93546d414c7fe4862b87183fb737d1300d9d2"},{"url":"https://git.kernel.org/stable/c/60ff9bd4ffc87bace581e235a6728f5ac8e5071f"},{"url":"https://git.kernel.org/stable/c/7bef797d707f1744f71156b21d41e3b8c946631f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:21:21.843Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy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