Vulnerability Intelligence Report
CVE-2019-18805
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:3.43%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| linux | linux_kernel | 5.1 |
| opensuse | leap | 15.0, 15.1 |
| redhat | enterprise_linux | 7.0 |
| netapp | active_iq_unified_manager | all |
| netapp | data_availability_services | all |
| netapp | e-series_santricity_os_controller | all |
| netapp | hci_management_node | all |
| netapp | solidfire | all |
| netapp | steelstore_cloud_integrated_storage | all |
| netapp | hci_compute_node | all |
| netapp | hci_storage_node | all |
| broadcom | fabric_operating_system | all |
| netapp | aff_a700s_firmware | all |
| netapp | aff_a700s | all |
| netapp | fas8300_firmware | all |
| netapp | fas8300 | all |
| netapp | fas8700_firmware | all |
| netapp | fas8700 | all |
| netapp | aff_a400_firmware | all |
| netapp | aff_a400 | all |
| netapp | h610s_firmware | all |
| netapp | h610s | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
3.431%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2019-11-07T00:00:00 |
| Published | 2019-11-07T13:08:05 |
| Last Updated | 2024-08-05T02:02:39 |
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