CVE-2020-27820

Description

A vulnerability was found in Linux kernel, where a use-after-frees in nouveau's postclose() handler could happen if removing device (that is not common to remove video card physically without power-off, but same happens if "unbind" the driver).

References

https://lore.kernel.org/dri-devel/[email protected]/

https://bugzilla.redhat.com/show_bug.cgi?id=1901726

https://lore.kernel.org/dri-devel/[email protected]/

https://lore.kernel.org/dri-devel/[email protected]/

https://www.oracle.com/security-alerts/cpujul2022.html

https://access.redhat.com/errata/RHSA-2022:1988

https://access.redhat.com/errata/RHSA-2022:1975

https://access.redhat.com/security/cve/CVE-2020-27820

https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline%40redhat.com/

https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline%40redhat.com/

https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline%40redhat.com/

Details

Risk Information

CVSS v2

CVSS v3