CVE-2019-3819: canonical ubuntu_linux Loop with Unreachable Exit Condition
Vulnerability summary
CVE-2019-3819 is a medium (CVSS 4.9) Loop with Unreachable Exit Condition vulnerability in canonical ubuntu_linux. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 39.6% of scored vulnerabilities.
Not severe (CVSS 4.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 12Timeline
- 25-01-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in the Linux kernel in the function hid_debug_events_read() in drivers/hid/hid-debug.c file which may enter an infinite loop with certain parameters passed from a userspace. A local privileged user ("root") can cause a system lock up and a denial of service. Versions from v4.18 and newer are vulnerable.
CVSS metrics
8 scores · 5 sources · 3 versions- OSV · DebianEcosystem advisory · calculated4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem 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
- OSV · UbuntuEcosystem advisory · calculated4.2MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
- NVDNIST4.2MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.46% 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, user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard82 products
- hyperv-daemons-6.18All versions (No fix recorded)
- hyperv-daemons-genericAll versions (No fix recorded)
- linux-aws-6.12All versions (No fix recorded) | < 6.12.65-r0
- linux-aws-6.12-boot-installedAll versions (No fix recorded)
- linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Ubuntu22 products
- linux< 4.4.0-145.171 | < 4.15.0-60.67
- linux-aws< 4.4.0-1040.43 | < 4.4.0-1079.89 | < 4.15.0-1047.49
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1047.49~16.04.1
- linux-azure< 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1014.14~18.04.1
Debian2 products
- linux< 4.19.20-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Linux1 product
- linux_kernel≥ 4.18 (No fix recorded)
Opensuse1 product
- leapEOL15.0
The linux foundation1 product
- kernel:from v4.18 and newer
7 vendors · 110 products
References
20 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3819X Refsource CONFIRMFIXIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing ListX Refsource MLISTAdvisoryThird Party Advisory
- lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing ListX Refsource MLISTAdvisoryThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlVendor AdvisoryX Refsource SUSEAdvisoryMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing ListX Refsource MLISTAdvisoryThird Party Advisory
Show all 20 references
- git.kernel.org/pub/…REPORT