CVE-2019-19045: canonical ubuntu_linux
Vulnerability summary
CVE-2019-19045 is a medium (CVSS 4.9) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 46.4% of scored vulnerabilities.
Not severe (CVSS 4.4, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 18 · Related 16Timeline
- 18-11-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A memory leak in the mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · DebianEcosystem advisory · calculated4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- NVDNIST4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.56% 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: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu30 products
- linux< 4.15.0-74.84
- linux-aws< 4.15.0-1057.59
- linux-aws-5.0< 5.0.0-1023.26~18.04.1
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1057.59~16.04.1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.04 | 19.10
Debian1 product
- linux< 5.3.15-1
Linux1 product
- linux_kernel< 5.3.11
Opensuse1 product
- leapEOL15.1
5 vendors · 34 products
References
18 links- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11X Refsource MISCREPORTRelease NotesVendor Advisory
- github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39X Refsource MISCREPORTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory