i2c: amd-mp2: Unregister callback on adapter add failure
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
i2c: amd-mp2: Unregister callback on adapter add failure
amd_mp2_register_cb() stores the platform I2C context in the MP2 PCI
driver's callback table before the adapter is registered. If
i2c_add_adapter() fails, probe returns and devres frees the context,
but the PCI driver can still dereference the stale pointer from its IRQ
and system-sleep callbacks.
Unregister the callback before returning the adapter registration error.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/1883a09a37fed497b9efacf736c23624a472246bhttps://git.kernel.org/stable/c/2f7789b3a9628819ebf90bcba8f9da3c139f8687https://git.kernel.org/stable/c/4786d4d70dcd1e6b7e044f2348e00f201947b69chttps://git.kernel.org/stable/c/82048795242f04275a3f49ffc66ad851b6120954https://git.kernel.org/stable/c/8bf719659406e4a1b56d441e0c7da2085d891d96https://git.kernel.org/stable/c/9142a3dcff0d80a3a24ce159aee19ddc869d9784https://git.kernel.org/stable/c/b7c2c5c8868737926410b93d1223ada17625ead3https://git.kernel.org/stable/c/cf107c5983dc70fcf932a305581a5f976d908ff1