First published: Wed Apr 08 2020(Updated: )
A flaw was found in the Linux kernel loose validation of child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/kernel-rt | <0:3.10.0-1160.rt56.1131.el7 | 0:3.10.0-1160.rt56.1131.el7 |
redhat/kernel | <0:3.10.0-1160.el7 | 0:3.10.0-1160.el7 |
redhat/kernel-rt | <0:4.18.0-240.rt7.54.el8 | 0:4.18.0-240.rt7.54.el8 |
redhat/kernel | <0:4.18.0-240.el8 | 0:4.18.0-240.el8 |
Linux Linux kernel | <5.6.5 | |
Canonical Ubuntu Linux | =20.04 | |
Redhat Enterprise Linux | =5.0 | |
Redhat Enterprise Linux | =6.0 | |
Redhat Enterprise Linux | =7.0 | |
Redhat Enterprise Linux | =8.0 | |
Redhat Enterprise Mrg | =2.0 | |
debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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