HomeDefectsLIN1022-19796
Fixed

LIN1022-19796 : Security Advisory - linux - CVE-2023-53817

Created: Dec 9, 2025    Updated: Dec 11, 2025
Resolved Date: Dec 10, 2025
Found In Version: 10.22.33.1
Fix Version: 10.22.33.13
Severity: Standard
Applicable for: Wind River Linux LTS 22
Component/s: Kernel

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui() During NVMeTCP Authentication a controller can trigger a kernel oops by specifying the 8192 bit Diffie Hellman group and passing a correctly sized, but zeroed Diffie Hellamn value. mpi_cmp_ui() was detecting this if the second parameter was 0, but 1 is passed from dh_is_pubkey_valid(). This causes the null pointer u->d to be dereferenced towards the end of mpi_cmp_ui()
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