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CVE-2019-11477

high · 7.5

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.

7.5
CVSS
98.7%
EPSS (exploit prob.)
100th
EPSS percentile
2019-06-19
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-190

Affected products

VendorProductAffected versions
linuxlinux_kernel>= 2.6.29, < 3.16.69
linuxlinux_kernel>= 3.17, < 4.4.182
linuxlinux_kernel>= 4.5, < 4.9.182
linuxlinux_kernel>= 4.10, < 4.14.127
linuxlinux_kernel>= 4.15, < 4.19.52
linuxlinux_kernel>= 4.20, < 5.1.11
f5big-ip_advanced_firewall_manager>= 11.5.2, <= 11.6.4
f5big-ip_advanced_firewall_manager>= 12.1.0, <= 12.1.4
f5big-ip_advanced_firewall_manager>= 13.1.0, <= 13.1.1
f5big-ip_advanced_firewall_manager>= 14.0.0, <= 14.1.0
f5big-ip_advanced_firewall_manager15.0.0
f5big-ip_access_policy_manager>= 11.5.2, <= 11.6.4
f5big-ip_access_policy_manager>= 12.1.0, <= 12.1.4
f5big-ip_access_policy_manager>= 13.1.0, <= 13.1.1
f5big-ip_access_policy_manager>= 14.0.0, <= 14.1.0
f5big-ip_access_policy_manager15.0.0
f5big-ip_application_acceleration_manager>= 11.5.2, <= 11.6.4
f5big-ip_application_acceleration_manager>= 12.1.0, <= 12.1.4
f5big-ip_application_acceleration_manager>= 13.1.0, <= 13.1.1
f5big-ip_application_acceleration_manager>= 14.0.0, <= 14.1.0
f5big-ip_application_acceleration_manager15.0.0
f5big-ip_link_controller>= 11.5.2, <= 11.6.4
f5big-ip_link_controller>= 12.1.0, <= 12.1.4
f5big-ip_link_controller>= 13.1.0, <= 13.1.1
f5big-ip_link_controller>= 14.0.0, <= 14.1.0
f5big-ip_link_controller15.0.0
f5big-ip_policy_enforcement_manager>= 11.5.2, <= 11.6.4
f5big-ip_policy_enforcement_manager>= 12.1.0, <= 12.1.4
f5big-ip_policy_enforcement_manager>= 13.1.0, <= 13.1.1
f5big-ip_policy_enforcement_manager>= 14.0.0, <= 14.1.0
f5big-ip_policy_enforcement_manager15.0.0
f5big-ip_webaccelerator>= 11.5.2, <= 11.6.4
f5big-ip_webaccelerator>= 12.1.0, <= 12.1.4
f5big-ip_webaccelerator>= 13.1.0, <= 13.1.1
f5big-ip_webaccelerator>= 14.0.0, <= 14.1.0
f5big-ip_webaccelerator15.0.0
f5big-ip_application_security_manager>= 11.5.2, <= 11.6.4
f5big-ip_application_security_manager>= 12.1.0, <= 12.1.4
f5big-ip_application_security_manager>= 13.1.0, <= 13.1.1
f5big-ip_application_security_manager>= 14.0.0, <= 14.1.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2019-11477