An issue was discovered in net/ipv4/sysctl_net_ipv4.c in the Linux kernel before 5.0.11. There is a net/ipv4/tcp_input.c signed integer overflow in tcp_ack_update_rtt() when userspace writes a very large integer to /proc/sys/net/ipv4/tcp_min_rtt_wlen, leading to a denial of service or possibly unspecified other impact, aka CID-19fad20d15a6.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-11-07T13:08:05

Updated: 2024-08-05T02:02:39.538Z

Reserved: 2019-11-07T00:00:00

Link: CVE-2019-18805

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-11-07T14:15:11.067

Modified: 2024-11-21T04:33:36.167

Link: CVE-2019-18805

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-04-16T00:00:00Z

Links: CVE-2019-18805 - Bugzilla