CVE-2019-12380

**DISPUTED** An issue was discovered in the efi subsystem in the Linux kernel through 5.1.5. phys_efi_set_virtual_address_map in arch/x86/platform/efi/efi.c and efi_call_phys_prolog in arch/x86/platform/efi/efi_64.c mishandle memory allocation failures. NOTE: This id is disputed as not being an issue because “All the code touched by the referenced commit runs only at boot, before any user processes are started. Therefore, there is no possibility for an unprivileged user to control it.”.

Published: 2019-05-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-12380 is rated Low Risk (35.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.48%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-12380

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.04% 0.48% +0.44%
2 2026-02-07 0.07% 0.04% -0.02%
3 2025-03-30 — 0.07% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-12380

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 3.0 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 3.6 [email protected]
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2019-12380

OS Trackers for CVE-2019-12380

vendor priority summary link
debian unimportant CVE-2019-12380 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2019-12380
redhat low — https://access.redhat.com/security/cve/CVE-2019-12380
suse low CVE-2019-12380 severity low: SUSE including 169 source package names (cluster-md-kmp-default-4.12.14-120.1, cluster-md-kmp-default-4.12.14-150.27.1, …), 510 product×package rows across 91 product lines (HPE Helion OpenStack 8, SLES for SAP Applications 11 SP3, … (91 product lines)): Fixed 300, Known Not Affected 210. https://www.suse.com/security/cve/CVE-2019-12380/
ubuntu negligible CVE-2019-12380 negligible priority: Ubuntu including 122 source packages (linux, linux-aws, …), 1281 status rows across 14 suites (bionic, cosmic, disco, eoan, focal, groovy, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 917, not-affected 175, released 152, ignored 37. https://ubuntu.com/security/CVE-2019-12380

Affected software / configurations for CVE-2019-12380

Vendor Product Version Raw CPE
linux linux_kernel <= 5.1.5 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

References for CVE-2019-12380

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
http://www.securityfocus.com/bid/108477 Third Party Advisory VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=4e78921ba4dd0aca1cc89168f45039add4183f8e Mailing List Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLGWJKLMTBBB53D5QLS4HOY2EH246WBE/
https://security.netapp.com/advisory/ntap-20190710-0002/
https://usn.ubuntu.com/4414-1/
https://usn.ubuntu.com/4427-1/
https://usn.ubuntu.com/4439-1/
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