CVE-2020-11935

2020-06-2900:00:00

ubuntu.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

Bugs

<https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1873074>

Notes

Author	Note
sbeattie	upstream aufs4-linux.git commits: 515a586eeef31e0717d5dea21e2c11a965340b3c f10aea57d39d6cd311312e9e7746804f7059b5c8

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-112.113UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-42.46UNKNOWN
ubuntu22.04noarchlinux< anyUNKNOWN
ubuntu23.10noarchlinux< anyUNKNOWN
ubuntu24.04noarchlinux< anyUNKNOWN
ubuntu16.04noarchlinux< 4.4.0-186.216UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1079.83UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1020.20UNKNOWN
ubuntu22.04noarchlinux-aws< anyUNKNOWN
ubuntu23.10noarchlinux-aws< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-112.113	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-42.46	UNKNOWN
ubuntu	22.04	noarch	linux	< any	UNKNOWN
ubuntu	23.10	noarch	linux	< any	UNKNOWN
ubuntu	24.04	noarch	linux	< any	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-186.216	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1079.83	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1020.20	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	23.10	noarch	linux-aws	< any	UNKNOWN