5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:S/C:P/I:N/A:N
0.0004 Low
EPSS
Percentile
5.3%
A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS
filesystem allowed for size increase of files with unaligned size. A local
attacker could use this flaw to leak data on the XFS filesystem otherwise
not accessible to them.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-169.177 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-100.113 | UNKNOWN |
ubuntu | 21.10 | noarch | linux | < 5.13.0-30.33 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-237.271) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1121.129 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1066.69 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-aws | < 5.13.0-1014.15 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1116.122) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1154.169) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws-5.13 | < 5.13.0-1014.15~20.04.1 | UNKNOWN |
git.kernel.org/linus/983d8e60f50806f90534cc5373d0ce867e5aaf79 (5.16)
launchpad.net/bugs/cve/CVE-2021-4155
nvd.nist.gov/vuln/detail/CVE-2021-4155
security-tracker.debian.org/tracker/CVE-2021-4155
ubuntu.com/security/notices/USN-5278-1
ubuntu.com/security/notices/USN-5294-1
ubuntu.com/security/notices/USN-5294-2
ubuntu.com/security/notices/USN-5295-1
ubuntu.com/security/notices/USN-5295-2
ubuntu.com/security/notices/USN-5297-1
ubuntu.com/security/notices/USN-5298-1
ubuntu.com/security/notices/USN-5362-1
ubuntu.com/security/notices/USN-5884-1
ubuntu.com/security/notices/USN-5926-1
www.cve.org/CVERecord?id=CVE-2021-4155
www.openwall.com/lists/oss-security/2022/01/10/1
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:S/C:P/I:N/A:N
0.0004 Low
EPSS
Percentile
5.3%