kernel: powerpc/powernv: Add a null pointer check to scom_debug_init_one()

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check to scomdebuginitone The Linux kernel CVE team has assigned CVE-2023-52690 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024051753-CVE-2023-52690-f225@gregk...

UBUNTU-CVE-2023-52690

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check to scomdebuginitone kasprintf returns a pointer to dynamically allocated memory which can be NULL upon failure. Add a null pointer check, and release 'ent' to avoid memory leaks...

CVE-2023-52690

CVE-2023-52690 is a Linux kernel vulnerability affecting powerpc/powernv where kasprintf() can return NULL on allocation failure and a null pointer check was missing in scom_debug_init_one(). The fix adds a null pointer check and ensures proper release of ent to avoid memory leaks. Connected advi...