CVE-2022-49072

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-49072
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49072.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49072
Related
Published
2025-02-26T07:00:44Z
Modified
2025-02-26T19:02:50.808104Z
Downstream
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

gpio: Restrict usage of GPIO chip irq members before initialization

GPIO chip irq members are exposed before they could be completely initialized and this leads to race conditions.

One such issue was observed for the gc->irq.domain variable which was accessed through the I2C interface in gpiochiptoirq() before it could be initialized by gpiochipaddirqchip(). This resulted in Kernel NULL pointer dereference.

Following are the logs for reference :-

kernel: Call Trace: kernel: gpiodtoirq+0x53/0x70 kernel: acpidevgpioirqgetby+0x113/0x1f0 kernel: i2cacpigetirq+0xc0/0xd0 kernel: i2cdeviceprobe+0x28a/0x2a0 kernel: reallyprobe+0xf2/0x460 kernel: RIP: 0010:gpiochipto_irq+0x47/0xc0

To avoid such scenarios, restrict usage of GPIO chip irq members before they are completely initialized.

References

Affected packages

Debian:11 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.10.113-1

Affected versions

5.*

5.10.46-4
5.10.46-5
5.10.70-1~bpo10+1
5.10.70-1
5.10.84-1
5.10.92-1~bpo10+1
5.10.92-1
5.10.92-2
5.10.103-1~bpo10+1
5.10.103-1
5.10.106-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.17.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.17.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}