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CVE-2022-49273 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: rtc: pl031: fix rtc features null pointer dereference When there is no interrupt line, rtc alarm feature is disabled. The clearing of the alarm feature bit was being done prior to allocations of ldata->rtc device, resulting in a null pointer dereference. Clear RTC_FEATURE_ALARM after the rtc device is allocated.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/1b915703964f7e636961df04c540261dc55c6c70 Patch 
https://git.kernel.org/stable/c/cd2722e411e8ab7e5ae41102f6925fa13dffdac5 Patch 
https://git.kernel.org/stable/c/d274ce4a3dfd0b9a292667535578359b865765cb Patch 
https://git.kernel.org/stable/c/ea6af39f3da50c86367a71eb3cc674ade3ed244c Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-49273
NVD Published Date:
02/26/2025
NVD Last Modified:
04/14/2025
Source:
kernel.org