vulnerability
Red Hat: CVE-2020-27835: CVE-2020-27835 kernel: child process is able to access parent mm through hfi dev file handle (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Jan 7, 2021 | May 21, 2021 | Aug 11, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Jan 7, 2021
Added
May 21, 2021
Modified
Aug 11, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
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