CVEvulnerability
CVE-2022-49273
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-02-26
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (>= 5.12 < 5.15.33)
• linux linux kernel (>= 5.16 < 5.16.19)
• linux linux kernel (>= 5.17 < 5.17.2)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- 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 Patch