What’s Vulnerable › Vulnerabilities

CVE-2019-11815

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-05-08 · updated 2026-06-17
• Weakness: CWE-362

Description

An issue was discovered in rds_tcp_kill_sock in net/rds/tcp.c in the Linux kernel before 5.0.8. There is a race condition leading to a use-after-free, related to net namespace cleanup.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 19.04
• Debian Linux: 8.0, 9.0
• Linux kernel: from 4.3 before 4.4.179; from 4.9 before 4.9.169; from 4.14 before 4.14.112; from 4.19 before 4.19.35; from 5.0 before 5.0.8; 5.1-rc1, 5.1-rc2, 5.1-rc3, 5.1-rc4 — fixed in 4.14.112, 4.19.35, 4.4.179, 4.9.169, 5.0.8
• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: from 9.5
• NetApp Cn1610 Firmware: all versions
• NetApp Hci Compute Node: all versions
• NetApp Hci Management Node: all versions
• NetApp Hci Storage Node: all versions
• NetApp Snapprotect: all versions
• NetApp Solidfire: all versions
• NetApp Storage Replication Adapter: 7.2
• NetApp Vasa Provider For Clustered Data Ontap: from 7.2
• NetApp Virtual Storage Console: from 7.2
• openSUSE Leap: 15.0, 15.1, 42.3

How to fix

Upgrade to a fixed version: Linux kernel 4.14.112, 4.19.35, 4.4.179, 4.9.169. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
• http://packetstormsecurity.com/files/153799/Kernel-Live-Patch-Security-Notice-LSN-0053-1.html
• http://www.securityfocus.com/bid/108283
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb66ddd156203daefb8d71158036b27b0e2caf63
• https://github.com/torvalds/linux/commit/cb66ddd156203daefb8d71158036b27b0e2caf63
• https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
• https://seclists.org/bugtraq/2019/Jun/26
• https://security.netapp.com/advisory/ntap-20190719-0003/
• https://support.f5.com/csp/article/K32019083

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