CVE-2019-3812: canonical ubuntu_linux
Vulnerability summary
CVE-2019-3812 is a medium (CVSS 5.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 37.6% 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 5 · Related 4Timeline
- 19-02-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.
CVSS metrics
5 scores · 4 sources · 2 versions- CVE.orgCNA4.4MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated4.4MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.43% 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 cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
Affected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Canonical1 product
- ubuntu_linuxEOL18.04 | 18.10
Debian1 product
- qemu< 1:3.1+dfsg-5
Fedoraproject1 product
- fedoraEOL29 | 30
Opensuse1 product
- leapEOL42.3
Qemu1 product
- qemu≥ 2.10.0, ≤ 3.1.0
The qemu project1 product
- qemu≤ version 2.10 and through to 3.1.0
Ubuntu1 product
- qemu< 1:2.11+dfsg-1ubuntu7.12
7 vendors · 7 products
References
13 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3812X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00094.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
