CVE-2022-49047 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ep93xx: clock: Fix UAF in ep93xx_clk_register_gate()

arch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] arch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch if (IS_ERR(clk)) ^ arch/arm/mach-ep93xx/clock.c:152:3: note: Memory is released kfree(psc); ^~~~~~~~~~ arch/arm/mach-ep93xx/clock.c:154:2: note: Use of memory after it is freed return &psc->hw; ^ ~~~~~~~~

Reference

https://git.kernel.org/stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017 https://git.kernel.org/stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9