CVE-2019-18809: canonical ubuntu_linux
Vulnerability summary
CVE-2019-18809 is a medium (CVSS 4.9) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41.8% of scored vulnerabilities.
Not severe (CVSS 4.6, physical access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 18 · Related 15Timeline
- 07-11-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · DebianEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.49%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.49% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: physical access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu32 products
- linux< 4.15.0-88.88
- linux-aws< 4.15.0-1060.62
- linux-aws-5.0< 5.0.0-1025.28
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1060.62~16.04.1
Debian2 products
- linux< 5.4.13-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.10
Fedoraproject1 product
- fedoraEOL30 | 31
Linux1 product
- linux_kernel≤ 5.3.9
Opensuse1 product
- leapEOL15.1
6 vendors · 38 products
References
17 links- github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928X Refsource MISCREPORTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory