CVE-2022-49445 | BDVDB-2026-267948 Detail
LinuxLinux
Description#
In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: core: Fix possible null-ptr-deref in sh_pfc_map_resources() It will cause null-ptr-deref when using 'res', if platform_get_resource() returns NULL, so move using 'res' after devm_ioremap_resource() that will check it to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: local.
Weaknesses#
- CWE-476 NULL Pointer Dereference
References#
- https://git.kernel.org/stable/c/f991879762392c19661af5b722578089a12b305f
- https://git.kernel.org/stable/c/5ed0519d425619b435150372cce2ffeec71581fa
- https://git.kernel.org/stable/c/e3a1ad8fd0ac11f4fa1260c23b5db71a25473254
- https://git.kernel.org/stable/c/fb4f022b3ad1f3ff3cafdbc7d51896090ae17701
- https://git.kernel.org/stable/c/5376e3d904532e657fd7ca1a9b1ff3d351527b90
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.