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CVE-2020-11935

aufs: improperly managed inode reference counts in the vfsub_dentry_open() method

MEDIUM
5.5
CVSS Score
Published: April 7, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 02:51 AM UTC
2 products affected across 2 vendorsDebian LinuxUbuntu Linux

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor AdvisoryIssue Tracking
Source: [email protected]
https://bugs.launchpad.net/bugs/1873074
Vendor Advisory
Source: [email protected]
https://ubuntu.com/security/CVE-2020-11935

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-911NVD-CWE-Other

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