mailbox: mailbox-test: don't free the reused channel
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
mailbox: mailbox-test: don't free the reused channel
The RX channel can be aliased to the TX channel if it has a different
MMIO. This special case needs to be handled when freeing the channels
otherwise a double-free occurs.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4https://git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0https://git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060https://git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5https://git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324dhttps://git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473https://git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6https://git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b