CVE - CVE-2022-49832

CVE-ID
CVE-2022-49832	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace: strcmp __of_find_property of_find_property pinctrl_dt_to_map kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/040f726fecd88121f3b95e70369785ad452dddf9 URL:https://git.kernel.org/stable/c/040f726fecd88121f3b95e70369785ad452dddf9 MISC:https://git.kernel.org/stable/c/5834a3a98cd266ad35a229923c0adbd0addc8d68 URL:https://git.kernel.org/stable/c/5834a3a98cd266ad35a229923c0adbd0addc8d68 MISC:https://git.kernel.org/stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471 URL:https://git.kernel.org/stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471 MISC:https://git.kernel.org/stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce URL:https://git.kernel.org/stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce MISC:https://git.kernel.org/stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb URL:https://git.kernel.org/stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb MISC:https://git.kernel.org/stable/c/a988dcd3dd9e691c5ccc3324b209688f3b5453e9 URL:https://git.kernel.org/stable/c/a988dcd3dd9e691c5ccc3324b209688f3b5453e9 MISC:https://git.kernel.org/stable/c/aaf552c5d53abe4659176e099575fe870d2e4768 URL:https://git.kernel.org/stable/c/aaf552c5d53abe4659176e099575fe870d2e4768 MISC:https://git.kernel.org/stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c URL:https://git.kernel.org/stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c
Assigning CNA
kernel.org
Date Record Created
20250501	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250501)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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