CVE-2022-49273

low-risk
Published 2025-02-26

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.

Do I need to act?

-
0.11% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (4)

Patch 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
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal