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CVE-2019-7222

21
FAUCET Score

CVE-2019-7222 describes an information leak vulnerability within the KVM implementation of the Linux kernel, affecting versions up to 4.20.5, including distributions like Debian, Fedora, and Red Hat. Rated Medium with a CVSS score of 5.5, this local vulnerability (AV:L) has low attack complexity (AC:L) and requires low privileges (PR:L), potentially leading to high confidentiality impact (C:H) without affecting integrity or availability. There is currently no evidence of active exploitation, and no public exploit code or significant community discussion has been identified.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.20.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
28CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.68%
Probability of exploitation in next 30 days
EPSS Percentile
48.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0068 is in the 95th percentile among its peer group of 15,932 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-1062.rt56.1022.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-1062.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-147.rt24.93.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-147.el8
View patch

Vendor Advisories (1)

redhatCVE-2019-7222Low

Kernel: KVM: leak of uninitialized stack contents to guest

Feb 7, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-02/msg00042.html
Broken LinkMailing ListThird Party Advisory
packetstormsecurity.com / files/151712/KVM-kvm_inject_page_fault-Uninitialized-Memory-Leak.html
Third Party AdvisoryVDB Entry
access.redhat.com / errata/RHSA-2019:2029
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2043
Third Party Advisory
access.redhat.com / errata/RHSA-2019:3309
Third Party Advisory
access.redhat.com / errata/RHSA-2019:3517
Third Party Advisory
bugs.chromium.org / p/project-zero/issues/detail
ExploitPatchThird Party Advisory
github.com / torvalds/linux/commits/master/arch/x86/kvm
Third Party Advisory
git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
PatchVendor Advisory
lists.debian.org / debian-lts-announce/2019/03/msg00034.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/04/msg00004.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/05/msg00002.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN
security.netapp.com / advisory/ntap-20190404-0002
Third Party Advisory
usn.ubuntu.com / 3930-1
Third Party Advisory
usn.ubuntu.com / 3930-2
Third Party Advisory
usn.ubuntu.com / 3931-1
Third Party Advisory
usn.ubuntu.com / 3931-2
Third Party Advisory
usn.ubuntu.com / 3932-1
Third Party Advisory
usn.ubuntu.com / 3932-2
Third Party Advisory
usn.ubuntu.com / 3933-1
Third Party Advisory
usn.ubuntu.com / 3933-2
Third Party Advisory
openwall.com / lists/oss-security/2019/02/18/2
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/106963
Broken LinkThird Party AdvisoryVDB Entry