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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2019-11477
HistoryJun 19, 2019 - 12:15 a.m.

CVE-2019-11477

2019-06-1900:15:00
Debian Security Bug Tracker
security-tracker.debian.org
22

0.972 High

EPSS

Percentile

99.8%

Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). 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 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.