What’s Vulnerable › Vulnerabilities

CVE-2019-18809

• Severity: medium (CVSS 4.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-07 · updated 2026-06-17
• Weakness: CWE-401

Description

A memory leak in the af9005_identify_state() function in drivers/media/usb/dvb-usb/af9005.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption), aka CID-2289adbfa559.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 19.10
• Debian Linux: 8.0
• Fedoraproject Fedora: 30, 31
• Linux kernel: through 5.3.9
• openSUSE Leap: 15.1

References

• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
• https://github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928
• https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
• https://security.netapp.com/advisory/ntap-20191205-0001/
• https://usn.ubuntu.com/4285-1/
• https://usn.ubuntu.com/4287-1/
• https://usn.ubuntu.com/4287-2/
• https://usn.ubuntu.com/4300-1/
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
• https://github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928

Get alerted when CVE-2019-18809 or the next vulnerability affects your stack