Detections
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CVE-2019-18805
critical
Description
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.
References
https://security.netapp.com/advisory/ntap-20191205-0001/
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11
https://access.redhat.com/errata/RHSA-2020:0740
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html