USN-4017-1: linux Ubuntu
Vulnerability summary
USN-4017-1 is a vulnerability in linux Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 2 · Downstream 0 · Related 2Timeline
- 17-06-2019PublishedVulnerability first disclosed.
- 22-04-2026Last modifiedVulnerability information updated.
Description
linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities 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)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu11 products
- linux< 4.4.0-151.178 | < 4.15.0-52.56
- linux-aws< 4.4.0-1085.96 | < 4.15.0-1041.43
- linux-aws-hwe< 4.15.0-1041.43~16.04.1
- linux-azure< 4.15.0-1047.51 | < 4.18.0-1020.20~18.04.1
- linux-gcp< 4.15.0-1034.36~16.04.1 | < 4.15.0-1034.36
- linux-hwe< 4.15.0-52.56~16.04.1 | < 4.18.0-22.23~18.04.1
- linux-kvm< 4.4.0-1048.55 | < 4.15.0-1036.36
- linux-oem< 4.15.0-1043.48
- linux-oracle< 4.15.0-1015.17~16.04.1 | < 4.15.0-1015.17
- linux-raspi2< 4.4.0-1111.120 | < 4.15.0-1038.40
- linux-snapdragon< 4.4.0-1115.121 | < 4.15.0-1055.59
1 vendor · 11 products