CVE-2022-50522

Summary

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

mcb: mcb-parse: fix error handing in chameleon_parse_gdd()

If mcb_device_register() returns error in chameleon_parse_gdd(), the refcount of bus and device name are leaked. Fix this by calling put_device() to give up the reference, so they can be released in mcb_release_dev() and kobject_cleanup().

Affected Software

VendorProductVersion RangeStatus
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < 891f606ae0765bc9ca99f5276735be4d338f0255affected
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < cf6e70c0ced50b52415ac0c88eba1fb09c500a5aaffected
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < fd85ece416fd7edb945203e59d4cd94952f77e7caffected
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < 110dc34c9fa33d37f55b394b1199ea6c0ad1ee84affected
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < 7b289b791a59386dc23a00d3cf17a0db984b40d3affected
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < 43bfc7c2402a22d3b4eb08c040f274ba2b76461aaffected
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < b948baa29394ec5f4e6ec28486e7d06a76caee91affected
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < 4a9f1a8b3af287581ffb690d0e1593c681729ddbaffected
LinuxLinux3764e82e5150d87b205c10cd78a9c9ab86fbfa51 < 728ac3389296caf68638628c987aeae6c8851e2daffected
LinuxLinux3.15affected
LinuxLinux0 < 3.15unaffected
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