CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
99.9%
Jonathan Looney discovered that the TCP retransmission queue implementation
in the Linux kernel could be fragmented when handling certain TCP Selective
Acknowledgment (SACK) sequences. A remote attacker could use this to cause
a denial of service. (CVE-2019-11478)
Jonathan Looney discovered that an integer overflow existed in the Linux
kernel when handling TCP Selective Acknowledgments (SACKs). A remote
attacker could use this to cause a denial of service (system crash).
(CVE-2019-11477)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 19.04 | noarch | linux-image-5.0.0-1008-aws | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-aws-headers-5.0.0-1008 | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-aws-tools-5.0.0-1008 | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-buildinfo-5.0.0-1008-aws | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-headers-5.0.0-1008-aws | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-image-5.0.0-1008-aws-dbgsym | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-modules-5.0.0-1008-aws | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-tools-5.0.0-1008-aws | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-image-5.0.0-1008-gcp | < 5.0.0-1008.8 | UNKNOWN |
Ubuntu | 19.04 | noarch | linux-image-5.0.0-1008-gcp-dbgsym | < 5.0.0-1008.8 | UNKNOWN |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
99.9%