CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
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
EPSS
Percentile
14.2%
ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel
through 5.5.3 allows attackers to cause a denial of service (soft lockup)
via a crafted journal size.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-96.97 | UNKNOWN |
ubuntu | 19.10 | noarch | linux | < 5.3.0-51.44 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-185.215 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1065.69 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-aws | < 5.3.0-1017.18 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1074.78 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1110.121 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.3 | < 5.3.0-1017.18~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1065.69~16.04.1 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-azure | < 5.3.0-1020.21 | UNKNOWN |
launchpad.net/bugs/cve/CVE-2020-8992
lore.kernel.org/r/[email protected]
nvd.nist.gov/vuln/detail/CVE-2020-8992
patchwork.ozlabs.org/patch/1236118/
security-tracker.debian.org/tracker/CVE-2020-8992
ubuntu.com/security/notices/USN-4318-1
ubuntu.com/security/notices/USN-4324-1
ubuntu.com/security/notices/USN-4342-1
ubuntu.com/security/notices/USN-4344-1
ubuntu.com/security/notices/USN-4419-1
www.cve.org/CVERecord?id=CVE-2020-8992
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
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
EPSS
Percentile
14.2%