{"id":"CVE-2022-49832","summary":"pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map","details":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map\n\nHere is the BUG report by KASAN about null pointer dereference:\n\nBUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50\nRead of size 1 at addr 0000000000000000 by task python3/2640\nCall Trace:\n strcmp\n __of_find_property\n of_find_property\n pinctrl_dt_to_map\n\nkasprintf() would return NULL pointer when kmalloc() fail to allocate.\nSo directly return ENOMEM, if kasprintf() return NULL pointer.","modified":"2026-05-15T11:54:33.656339849Z","published":"2025-05-01T14:09:50.435Z","related":["SUSE-SU-2025:01918-1","SUSE-SU-2025:01966-1","SUSE-SU-2025:01982-1","SUSE-SU-2025:01983-1","SUSE-SU-2025:01995-1","SUSE-SU-2025:02173-1","SUSE-SU-2025:02262-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49832.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/040f726fecd88121f3b95e70369785ad452dddf9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5834a3a98cd266ad35a229923c0adbd0addc8d68"},{"type":"WEB","url":"https://git.kernel.org/stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a988dcd3dd9e691c5ccc3324b209688f3b5453e9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aaf552c5d53abe4659176e099575fe870d2e4768"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49832.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49832"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.5.0"},{"fixed":"4.9.334"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.300"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.267"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.225"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.156"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.80"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49832.json"}}],"schema_version":"1.7.5"}