Vulnerability CVE-2024-43860
Published: 2024-08-17

Description:
In the Linux kernel, the following vulnerability has been resolved:

remoteproc: imx_rproc: Skip over memory region when node value is NULL

In imx_rproc_addr_init() "nph = of_count_phandle_with_args()" just counts
number of phandles. But phandles may be empty. So of_parse_phandle() in
the parsing loop (0 < a < nph) may return NULL which is later dereferenced.
Adjust this issue by adding NULL-return check.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

[Fixed title to fit within the prescribed 70-75 charcters]

 References:
https://git.kernel.org/stable/c/9a17cf8b2ce483fa75258bc2cdcf628f24bcf5f8
https://git.kernel.org/stable/c/6c9ea3547fad252fe9ae5d3ed7e066e2085bf3a2
https://git.kernel.org/stable/c/c877a5f5268d4ab8224b9c9fbce3d746e4e72bc9
https://git.kernel.org/stable/c/2fa26ca8b786888673689ccc9da6094150939982
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