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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2019-11478
HistoryJun 19, 2019 - 12:15 a.m.

CVE-2019-11478

2019-06-1900:15:00
Debian Security Bug Tracker
security-tracker.debian.org
23

0.966 High

EPSS

Percentile

99.6%

Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment 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. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit f070ef2ac66716357066b683fb0baf55f8191a2e.