CVE-2022-49273
rtc: pl031: fix rtc features null pointer dereference
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 26, 2025 |
| Last Updated | May 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new medium vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
d9b0dd54a1943f47a381a474f8ea2c94466110c0 < cd2722e411e8ab7e5ae41102f6925fa13dffdac5 d9b0dd54a1943f47a381a474f8ea2c94466110c0 < d274ce4a3dfd0b9a292667535578359b865765cb d9b0dd54a1943f47a381a474f8ea2c94466110c0 < 1b915703964f7e636961df04c540261dc55c6c70 d9b0dd54a1943f47a381a474f8ea2c94466110c0 < ea6af39f3da50c86367a71eb3cc674ade3ed244c
Linux / Linux
5.12
References
git.kernel.org: https://git.kernel.org/stable/c/cd2722e411e8ab7e5ae41102f6925fa13dffdac5 git.kernel.org: https://git.kernel.org/stable/c/d274ce4a3dfd0b9a292667535578359b865765cb git.kernel.org: https://git.kernel.org/stable/c/1b915703964f7e636961df04c540261dc55c6c70 git.kernel.org: https://git.kernel.org/stable/c/ea6af39f3da50c86367a71eb3cc674ade3ed244c