CVE-2022-49273
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedFeb 26, 2025
First seenFeb 26, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel5.15.33, 5.16.19, 5.17.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.12 ≤ v < 5.15.33, 5.16 ≤ v < 5.16.19, 5.17 ≤ v < 5.17.2 | 5.15.33, 5.16.19, 5.17.2 |
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