vulnerability
Red Hat: CVE-2019-18805: CVE-2019-18805 kernel: integer overflow in tcp_ack_update_rtt in net/ipv4/tcp_input.c (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | 2019-11-07 | 2020-03-12 | 2024-11-27 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
2019-11-07
Added
2020-03-12
Modified
2024-11-27
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.
Solution(s)
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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