Red Hat: CVE-2020-27835: CVE-2020-27835 kernel: child process is able to access parent mm through hfi dev file handle (Multiple Advisories)
5
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
01/07/2021
05/21/2021
05/21/2021
03/13/2024
Description
A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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