CVE-2023-53201

CVE-2023-53201: vulnerability in Linux

RDMA/bnxt_re: wraparound mbox producer index

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 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: RDMA/bnxt_re: wraparound mbox producer index Driver is not handling the wraparound of the mbox producer index correctly. Currently the wraparound happens once u32 max is reached. Bit 31 of the producer index register is special and should be set only once for the first command. Because the producer index overflow setting bit31 after a long time, FW goes to initialization sequence and this causes FW hang. Fix is to wraparound the mbox producer index once it reaches u16 max.
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/0af91306e17ef3d18e5f100aa58aa787869118afhttps://git.kernel.org/stable/c/50d77c3739b2b15e9e1f1c9cbe50037d294800f8https://git.kernel.org/stable/c/79226176cdd1b65a1e6a90e0e1a2b490f0a9df33https://git.kernel.org/stable/c/7bfa0303fbc265c94cfbd17505c55b99848aa4e3https://git.kernel.org/stable/c/9341501e2f7af29f5b5562c2840a7fde40eb7de4https://git.kernel.org/stable/c/c9be352be9bb15e6b83e40abc4df7f4776b435ba