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).
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.4.162 |
| Fedoraproject | Fedora | 33 |
| Oracle | Communications Cloud Native Core Binding Support Function | 22.1.3 |
| Oracle | Communications Cloud Native Core Network Exposure Function | 22.1.1 |
| Oracle | Communications Cloud Native Core Policy | 22.2.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1901726Issue TrackingPatchThird Party Advisory
- https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline%40redhat.com/Mailing ListVendor Advisory
- https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline%40redhat.com/Mailing ListVendor Advisory
- https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline%40redhat.com/Mailing ListVendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1901726Issue TrackingPatchThird Party Advisory
- https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline%40redhat.com/Mailing ListVendor Advisory
- https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline%40redhat.com/Mailing ListVendor Advisory
- https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline%40redhat.com/Mailing ListVendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
FAQ
What is CVE-2020-27820?
CVE-2020-27820 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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-of...
How severe is CVE-2020-27820?
CVE-2020-27820 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27820?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Fedoraproject Fedora, Oracle Communications Cloud Native Core Binding Support Function, Oracle Communications Cloud Native Core Network Exposure Function, Oracle Communications Cloud Native Core Policy.