CVE-2021-47331

low-risk
Published 2024-05-21

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (8)

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 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
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal