Vulnerability in Linux Kernel
CVE-2019-18809
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 30, 31
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928 (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20191205-0001/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4285-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4287-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4287-2/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/03/msg00001.html (mailing-list, Third Party Advisory)
- usn.ubuntu.com/4300-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-18809?
- CVE-2019-18809 is a medium-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 4.6/10. Published 2019-11-07.
- How severe is CVE-2019-18809?
- Medium severity. CVSS v3 base score is 4.6 out of 10.
- Is CVE-2019-18809 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.