What’s Vulnerable › Vulnerabilities
CVE-2019-15504
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 4.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2019-08-23 · updated 2026-06-17
- Weakness: CWE-415
Description
drivers/net/wireless/rsi/rsi_91x_usb.c in the Linux kernel through 5.2.9 has a Double Free via crafted USB device traffic (which may be remote via usbip or usbredir).
Affected products
- Canonical Ubuntu Linux: 18.04, 19.04
- Linux kernel: from 4.17 before 4.19.74; from 4.20 before 5.2.16 — fixed in 4.19.74, 5.2.16
How to fix
Upgrade to a fixed version: Linux kernel 4.19.74, 5.2.16. Check the vendor advisory for mitigations.
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RUDQJXRJQVGHCGR4YZWTQ3ECBI7TXH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4JZ6AEUKFWBHQAROGMQARJ274PQP2QP/
- https://lore.kernel.org/lkml/20190819220230.10597-1-benquike%40gmail.com/
- https://security.netapp.com/advisory/ntap-20190905-0002/
- https://support.f5.com/csp/article/K33554143
- https://support.f5.com/csp/article/K33554143?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/4157-1/
- https://usn.ubuntu.com/4157-2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RUDQJXRJQVGHCGR4YZWTQ3ECBI7TXH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4JZ6AEUKFWBHQAROGMQARJ274PQP2QP/
- https://lore.kernel.org/lkml/20190819220230.10597-1-benquike%40gmail.com/
- https://security.netapp.com/advisory/ntap-20190905-0002/
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