Description
In the Linux kernel, the following vulnerability has been resolved: clk: xilinx: vcu: unregister pll_post only if registered correctly If registration of pll_post is failed, it will be set to NULL or ERR, unregistering same will fail with following call trace: Unable to handle kernel NULL pointer dereference at virtual address 008 pc : clk_hw_unregister+0xc/0x20 lr : clk_hw_unregister_fixed_factor+0x18/0x30 sp : ffff800011923850 ... Call trace: clk_hw_unregister+0xc/0x20 clk_hw_unregister_fixed_factor+0x18/0x30 xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu] xvcu_probe+0x2bc/0x53c [xlnx_vcu]
Product status
4472e1849db7f719bbf625890096e0269b5849fe before 7e903da71f8bec4beb7c06707900e1ed8db843ca
4472e1849db7f719bbf625890096e0269b5849fe before 88bd875b7f9c3652c27d6e4bb7a23701b764f762
4472e1849db7f719bbf625890096e0269b5849fe before 51990eecf22f446550befdfd1a9f54147eafd636
4472e1849db7f719bbf625890096e0269b5849fe before f1a1be99d5ae53d3b404415f1665eb59e8e02a8c
4472e1849db7f719bbf625890096e0269b5849fe before 86124c5cfceb5ac04d2fddbf1b6f7147332d96a3
4472e1849db7f719bbf625890096e0269b5849fe before a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed
4472e1849db7f719bbf625890096e0269b5849fe before 3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d
5.12
Any version before 5.12
5.15.190
6.1.148
6.6.102
6.12.42
6.15.10
6.16.1
6.17
References
git.kernel.org/...c/7e903da71f8bec4beb7c06707900e1ed8db843ca
git.kernel.org/...c/88bd875b7f9c3652c27d6e4bb7a23701b764f762
git.kernel.org/...c/51990eecf22f446550befdfd1a9f54147eafd636
git.kernel.org/...c/f1a1be99d5ae53d3b404415f1665eb59e8e02a8c
git.kernel.org/...c/86124c5cfceb5ac04d2fddbf1b6f7147332d96a3
git.kernel.org/...c/a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed
git.kernel.org/...c/3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d
