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CVE-2022-49273

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CVE-2022-49273

Published: Feb 26, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
d9b0dd54a1943f47a381a474f8ea2c94466110c0 - < cd2722e411e8ab7e5ae41102f6925fa13dffdac5
affected
d9b0dd54a1943f47a381a474f8ea2c94466110c0 - < d274ce4a3dfd0b9a292667535578359b865765cb
affected
d9b0dd54a1943f47a381a474f8ea2c94466110c0 - < 1b915703964f7e636961df04c540261dc55c6c70
affected
d9b0dd54a1943f47a381a474f8ea2c94466110c0 - < ea6af39f3da50c86367a71eb3cc674ade3ed244c

Linux

Linux

affected
5.12
unaffected
0 - < 5.12
unaffected
5.15.33 - <= 5.15.*
unaffected
5.16.19 - <= 5.16.*
unaffected
5.17.2 - <= 5.17.*

+1 more versions

References

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