CVE-2019-11477

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

98.74% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.9% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-06-18 23:34Z7 YR AGO

Last updated

2024-09-17 02:21Z2 YR AGO

Reserved

2019-04-23

Assigning CNA

canonical

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

150c6e5c023ac56b53dd20bd2cf23d27b8e72d59eb8e867b8079f2e0ee6aceef

• www.kb.cert.orgVU#905115https://www.kb.cert.org/vuls/id/905115third-party-advisoryx_refsource_CERT-VN
• www.openwall.com[oss-security] 20190620 Re: Linux and FreeBSD Kernel: Multiple TCP-based remote denial of service issueshttp://www.openwall.com/lists/oss-security/2019/06/20/3mailing-listx_refsource_MLIST
• access.redhat.comRHSA-2019:1594https://access.redhat.com/errata/RHSA-2019:1594vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:1602https://access.redhat.com/errata/RHSA-2019:1602vendor-advisoryx_refsource_REDHAT
• www.openwall.com[oss-security] 20190628 Re: linux-distros membership application - Microsofthttp://www.openwall.com/lists/oss-security/2019/06/28/2mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20190706 Re: linux-distros membership application - Microsofthttp://www.openwall.com/lists/oss-security/2019/07/06/3mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20190706 Re: linux-distros membership application - Microsofthttp://www.openwall.com/lists/oss-security/2019/07/06/4mailing-listx_refsource_MLIST
• access.redhat.comRHSA-2019:1699https://access.redhat.com/errata/RHSA-2019:1699vendor-advisoryx_refsource_REDHAT
• www.openwall.com[oss-security] 20191023 Membership application for linux-distros - VMwarehttp://www.openwall.com/lists/oss-security/2019/10/24/1mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20191029 Re: Membership application for linux-distros - VMwarehttp://www.openwall.com/lists/oss-security/2019/10/29/3mailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2020.htmlx_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2020.htmlx_refsource_MISC
• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cffx_refsource_MISC
• github.comhttps://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.mdx_refsource_MISC
• wiki.ubuntu.comhttps://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanicx_refsource_MISC
• access.redhat.comhttps://access.redhat.com/security/vulnerabilities/tcpsackx_refsource_MISC
• support.f5.comhttps://support.f5.com/csp/article/K78234183x_refsource_CONFIRM
• packetstormsecurity.comhttp://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.htmlx_refsource_MISC
• kb.pulsesecure.nethttps://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193x_refsource_CONFIRM
• www.synology.comhttps://www.synology.com/security/advisory/Synology_SA_19_28x_refsource_CONFIRM
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190625-0001/x_refsource_CONFIRM
• psirt.global.sonicwall.comhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006x_refsource_CONFIRM
• kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10287x_refsource_CONFIRM
• www.vmware.comhttp://www.vmware.com/security/advisories/VMSA-2019-0010.htmlx_refsource_CONFIRM
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdfx_refsource_CONFIRM
• www.us-cert.govhttps://www.us-cert.gov/ics/advisories/icsa-19-253-03x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.htmlx_refsource_MISC
• www.huawei.comhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-enx_refsource_CONFIRM
• www.arubanetworks.comhttp://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txtx_refsource_CONFIRM