CVE-2022-49273

MEDIUM

Linux kernel - Null Pointer Dereference

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 15.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (14)
linux/Kernel 5.12.0 - 5.15.33linux
linux/Kernel 5.16.0 - 5.16.19linux
linux/Kernel 5.17.0 - 5.17.2linux
Linux/Linux < 5.12
Linux/Linux 5.12
Linux/Linux 5.15.33 - 5.15.*
Linux/Linux 5.16.19 - 5.16.*
Linux/Linux 5.17.2 - 5.17.*
Linux/Linux 5.18
Linux/Linux d9b0dd54a1943f47a381a474f8ea2c94466110c0 - 1b915703964f7e636961df04c540261dc55c6c70
... and 4 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026