CVE-2022-50624

Summary

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

net: netsec: fix error handling in netsec_register_mdio()

If phy_device_register() fails, phy_device_free() need be called to put refcount, so memory of phy device and device name can be freed in callback function.

If get_phy_device() fails, mdiobus_unregister() need be called, or it will cause warning in mdiobus_free() and kobject is leaked.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux533dd11a12f698c571a12271b20f235792d3e148 < 728884b22d83148a330b23f9472f1e118b589211affected
LinuxLinux533dd11a12f698c571a12271b20f235792d3e148 < fda2d07234a21be4d71ebfe97a45f499726902d6affected
LinuxLinux533dd11a12f698c571a12271b20f235792d3e148 < 62f0a08e82a6312efd7df7f595c0b11d4ffde610affected
LinuxLinux533dd11a12f698c571a12271b20f235792d3e148 < 1e0bee973ef6fc3c1e3acb014515eaea37c8fa17affected
LinuxLinux533dd11a12f698c571a12271b20f235792d3e148 < 846e677daf51220d7975c61a20e440a88473951eaffected
LinuxLinux533dd11a12f698c571a12271b20f235792d3e148 < 94423589689124e8cd145b38a1034be7f25835b2affected
LinuxLinux4.16affected
LinuxLinux0 < 4.16unaffected
LinuxLinux4.19.264 <= 4.19.*unaffected
LinuxLinux5.4.223 <= 5.4.*unaffected
LinuxLinux5.10.153 <= 5.10.*unaffected
LinuxLinux5.15.77 <= 5.15.*unaffected
LinuxLinux6.0.7 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References