CVE-2019-19074: canonical ubuntu_linux
Vulnerability summary
CVE-2019-19074 is a high (CVSS 7.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 4.43% chance of exploitation in the next 30 days, higher than 91.3% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 19 · Related 16Timeline
- 18-11-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A memory leak in the ath9k_wmi_cmd() function in drivers/net/wireless/ath/ath9k/wmi.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption), aka CID-728c1e2a05e4.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
4.43%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.43% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu31 products
- linuxAll versions (No fix recorded) | < 4.4.0-190.220 | < 4.15.0-118.119
- linux-aws< 4.4.0-1078.82 | < 4.4.0-1114.127 | < 4.15.0-1083.87
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.3All versions (No fix recorded)
- linux-aws-fips< 4.15.0-2027.27 | All versions (No fix recorded)
Debian2 products
- linux< 5.4.6-1
- debian_linuxEOL9.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Linux1 product
- linux_kernel< 4.4.233 | ≥ 4.5, < 4.9.233 | ≥ 4.10, < 4.14.192 | ≥ 4.15, < 4.19.137 | ≥ 4.20, < 5.4
4 vendors · 35 products
References
15 links- lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing ListX Refsource MLISTThird Party Advisory
- github.com/torvalds/linux/commit/728c1e2a05e4b5fc52fab3421dce772a806612a2X Refsource MISCREPORTPatchThird Party Advisory