{"id":"CVE-2022-50672","state":"PUBLISHED","title":"mailbox: zynq-ipi: fix error handling while device_register() fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: zynq-ipi: fix error handling while device_register() fails\n\nIf device_register() fails, it has two issues:\n1. The name allocated by dev_set_name() is leaked.\n2. The parent of device is not NULL, device_unregister() is called\n   in zynqmp_ipi_free_mboxes(), it will lead a kernel crash because\n   of removing not added device.\n\nCall put_device() to give up the reference, so the name is freed in\nkobject_cleanup(). Add device registered check in zynqmp_ipi_free_mboxes()\nto avoid null-ptr-deref.","publishedAt":"2025-12-09T01:29:24.072Z","updatedAt":"2026-05-11T19:23:27.715Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"b3a5c76f61e2b380e29dfc6705854ca1ee85501d","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"a39b4de0804f9fe0ae911b359ffd4afe7d9d933b","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"4f05d8e2fb3ab702c2633a74571e1b31cb579985","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"f2d63cefc012cafe1b7651bbf3302f8bcd8bea4a","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"3fcf079958c00d83c51e4f250abf2c77fe9cc1b9","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"a6792a0cdef0b1c2d77920246283a72537e60e94","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mailbox/zynqmp-ipi-mailbox.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.1","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/mailbox/zynqmp-ipi-mailbox.c"]}],"references":["https://git.kernel.org/stable/c/b3a5c76f61e2b380e29dfc6705854ca1ee85501d","https://git.kernel.org/stable/c/a39b4de0804f9fe0ae911b359ffd4afe7d9d933b","https://git.kernel.org/stable/c/4f05d8e2fb3ab702c2633a74571e1b31cb579985","https://git.kernel.org/stable/c/f2d63cefc012cafe1b7651bbf3302f8bcd8bea4a","https://git.kernel.org/stable/c/3fcf079958c00d83c51e4f250abf2c77fe9cc1b9","https://git.kernel.org/stable/c/a6792a0cdef0b1c2d77920246283a72537e60e94"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50672.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50672","state":"PUBLISHED","datePublished":"2025-12-09T01:29:24.072Z","dateUpdated":"2026-05-11T19:23:27.715Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-09T01:26:45.991Z"},"containers":{"cna":{"title":"mailbox: zynq-ipi: fix error handling while device_register() fails","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: zynq-ipi: fix error handling while device_register() fails\n\nIf device_register() fails, it has two issues:\n1. The name allocated by dev_set_name() is leaked.\n2. The parent of device is not NULL, device_unregister() is called\n   in zynqmp_ipi_free_mboxes(), it will lead a kernel crash because\n   of removing not added device.\n\nCall put_device() to give up the reference, so the name is freed in\nkobject_cleanup(). Add device registered check in zynqmp_ipi_free_mboxes()\nto avoid null-ptr-deref."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"b3a5c76f61e2b380e29dfc6705854ca1ee85501d","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"a39b4de0804f9fe0ae911b359ffd4afe7d9d933b","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"4f05d8e2fb3ab702c2633a74571e1b31cb579985","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"f2d63cefc012cafe1b7651bbf3302f8bcd8bea4a","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"3fcf079958c00d83c51e4f250abf2c77fe9cc1b9","versionType":"git"},{"version":"4981b82ba2ff87df6a711fcd7a233c615df5fc79","status":"affected","lessThan":"a6792a0cdef0b1c2d77920246283a72537e60e94","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mailbox/zynqmp-ipi-mailbox.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.1","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/mailbox/zynqmp-ipi-mailbox.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b3a5c76f61e2b380e29dfc6705854ca1ee85501d"},{"url":"https://git.kernel.org/stable/c/a39b4de0804f9fe0ae911b359ffd4afe7d9d933b"},{"url":"https://git.kernel.org/stable/c/4f05d8e2fb3ab702c2633a74571e1b31cb579985"},{"url":"https://git.kernel.org/stable/c/f2d63cefc012cafe1b7651bbf3302f8bcd8bea4a"},{"url":"https://git.kernel.org/stable/c/3fcf079958c00d83c51e4f250abf2c77fe9cc1b9"},{"url":"https://git.kernel.org/stable/c/a6792a0cdef0b1c2d77920246283a72537e60e94"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:23:27.715Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}