CVE-2020-27820
MEDIUM
4.7
CVSS Score
Published: November 2, 2021 at 11:26 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
6 products affected across 4 vendorsLinux KernelFedoraCommunications Cloud Native Core Policy
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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.5%
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).
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
2.6.12 < v < 5.4.1625.11 < v < 5.15.55.5 < v < 5.10.822.6.122.6.12 rc22.6.12 rc32.6.12 rc42.6.12 rc52.6.12 rc6
Affected range stops below 5.10.82, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.162, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1901726x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline%40redhat.com/x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline%40redhat.com/x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline%40redhat.com/x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpujul2022.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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