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MEDIUM

CVE-2020-11935

CVE-2020-11935 — aufs: improperly managed inode reference counts in the vfsub_dentry_open() method

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.

Published Updated Sources: cvelistV5, canonical

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

0%

chance of exploitation in 30 days

Affects

ubuntu

linux_kernel_aufs_filesystem_module

CVSS base

4.4

MEDIUM

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

ubuntu

Products (1)

linux kernel aufs filesystem module

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
4.4CVSS 3.1MEDIUM——cvelistV5

Weakness & attack patterns

  • CWE-911

References

2 on the record

Elsewhere on this site

  • ubuntuevery CVE for this vendor
  • CWE-911other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.