CVE-2022-50848

Summary

In the Linux kernel, the following vulnerability has been resolved:

drivers: dio: fix possible memory leak in dio_init()

If device_register() returns error, the 'dev' and name needs be freed. Add a release function, and then call put_device() in the error path, so the name is freed in kobject_cleanup() and to the 'dev' is freed in release function.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < affe3cea6b3148fa66796a48640664822ceccd48affected
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < 4b68caa95064ac464f1b261d08ac677e753d1088affected
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < a524e7fed696a4dfef671e0fda3511bfd2dca0cfaffected
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < da64e01da40c6b71a54144126da53cc3b27201acaffected
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < fce9890e1be4c0460dad850cc8c00414a9d25f0faffected
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < a0ead7e8da84f4c3759417b8e928b65e0207c646affected
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < 8e002b9fe831b27d4506df6fa60cb33ba0730ac3affected
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < 78fddc0ff971f9874d53c854818cc4aafa144114affected
LinuxLinux2e4c77bea3d8b17d94f8ee382411f359b708560f < e63e99397b2613d50a5f4f02ed07307e67a190f1affected
LinuxLinux2.6.29affected
LinuxLinux0 < 2.6.29unaffected
LinuxLinux4.9.337 <= 4.9.*unaffected
LinuxLinux4.14.303 <= 4.14.*unaffected
LinuxLinux4.19.270 <= 4.19.*unaffected
LinuxLinux5.4.229 <= 5.4.*unaffected
LinuxLinux5.10.163 <= 5.10.*unaffected
LinuxLinux5.15.86 <= 5.15.*unaffected
LinuxLinux6.0.16 <= 6.0.*unaffected
LinuxLinux6.1.2 <= 6.1.*unaffected
LinuxLinux6.2 <= *unaffected

Weaknesses

References