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Status published
Medium
CVE-2020-27820
A vulnerability was found in Linux kernel, where a use-after-frees...
Vulnerability 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).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1901726
- https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline%40redhat.com/
- https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline%40redhat.com/
- https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline%40redhat.com/
- https://www.oracle.com/security-alerts/cpujul2022.html
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Affected Vendor
Affected Software
kernel
Vulnerable Versions:
to be fixed in RHEL-9 release
Timeline
Official Publish:
November 2nd, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H