In the Linux kernel, the following vulnerability has been resolved:
powerpc/mm: Fix null-pointer dereference in pgtable_cache_add
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
git.kernel.org/stable/c/145febd85c3bcc5c74d87ef9a598fc7d9122d532
git.kernel.org/stable/c/21e45a7b08d7cd98d6a53c5fc5111879f2d96611
git.kernel.org/stable/c/aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b
git.kernel.org/stable/c/ac3ed969a40357b0542d20f096a6d43acdfa6cc7
git.kernel.org/stable/c/d482d61025e303a2bef3733a011b6b740215cfa1
git.kernel.org/stable/c/f46c8a75263f97bda13c739ba1c90aced0d3b071
git.kernel.org/stable/c/f6781add1c311c17eff43e14c786004bbacf901e
git.kernel.org/stable/c/ffd29dc45bc0355393859049f6becddc3ed08f74
lists.debian.org/debian-lts-announce/2024/06/msg00017.html