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]
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
4472e1849db7f719bbf625890096e0269b5849fe to < 7e903da71f8bec4beb7c06707900e1ed8db843caaffected4472e1849db7f719bbf625890096e0269b5849fe to < 88bd875b7f9c3652c27d6e4bb7a23701b764f762affected4472e1849db7f719bbf625890096e0269b5849fe to < 51990eecf22f446550befdfd1a9f54147eafd636affected4472e1849db7f719bbf625890096e0269b5849fe to < f1a1be99d5ae53d3b404415f1665eb59e8e02a8caffected4472e1849db7f719bbf625890096e0269b5849fe to < 86124c5cfceb5ac04d2fddbf1b6f7147332d96a3affected4472e1849db7f719bbf625890096e0269b5849fe to < a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8edaffected4472e1849db7f719bbf625890096e0269b5849fe to < 3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139daffected
Linux Linux
Default version status: affected
5.12affected0 to < 5.12unaffected5.15.190 to ≤ 5.15.*unaffected6.1.148 to ≤ 6.1.*unaffected6.6.102 to ≤ 6.6.*unaffected6.12.42 to ≤ 6.12.*unaffected6.15.10 to ≤ 6.15.*unaffected6.16.1 to ≤ 6.16.*unaffected6.17 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/7e903da71f8bec4beb7c06707900e1ed8db843ca ↗
- https://git.kernel.org/stable/c/88bd875b7f9c3652c27d6e4bb7a23701b764f762 ↗
- https://git.kernel.org/stable/c/51990eecf22f446550befdfd1a9f54147eafd636 ↗
- https://git.kernel.org/stable/c/f1a1be99d5ae53d3b404415f1665eb59e8e02a8c ↗
- https://git.kernel.org/stable/c/86124c5cfceb5ac04d2fddbf1b6f7147332d96a3 ↗
- https://git.kernel.org/stable/c/a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed ↗
- https://git.kernel.org/stable/c/3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d ↗
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html ↗