CVEvulnerability
CVE-2021-47331
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-21
- 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
- Weaknesses
- CWE-476
Description
In the Linux kernel, the following vulnerability has been resolved:
usb: common: usb-conn-gpio: fix NULL pointer dereference of charger
When power on system with OTG cable, IDDIG's interrupt arises before
the charger registration, it will cause a NULL pointer dereference,
fix the issue by registering the power supply before requesting
IDDIG/VBUS irq.
Affected configurations
• linux linux kernel (< 5.10.52)
• linux linux kernel (>= 5.11 < 5.12.19)
• linux linux kernel (>= 5.13 < 5.13.4)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25 Patch
- https://git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1 Patch
- https://git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21 Patch
- https://git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228b Patch
- https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25 Patch
- https://git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1 Patch
- https://git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21 Patch
- https://git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228b Patch