CVE-2019-14865: gnu grub2 Privilege Defined With Unsafe Actions
CVSS: 5.9v3.0MediumAnalyzed
AliasesRHSA-2020:0335
Published 29-11-2019Last modified 13-02-2025
Vulnerability summary
CVE-2019-14865 is a medium (CVSS 5.9) Privilege Defined With Unsafe Actions vulnerability in gnu grub2. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.9% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.0 (CVE.org)EPSS score
0.32%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 29-11-2019PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.
CVSS metrics
5 scores · 3 sources · 3 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:HSourcesSingle source
Medium 5.9Preferred score · CVE.org (CNA)
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:HSourcesAll 3 agree
- NVDNIST5.9MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H
- OSV · Red hatEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.32% on 20-09-2026
20-09-202620-10-2026
EPSS score0.32%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat25 products
- grub2< 1:2.02-78.el8_1.1
- grub2-common< 1:2.02-78.el8_1.1
- grub2-debuginfo< 1:2.02-78.el8_1.1
- grub2-debugsource< 1:2.02-78.el8_1.1
- grub2-efi-aa64< 1:2.02-78.el8_1.1
[unknown]1 product
- grub2n/a
Gnu1 product
- grub2na
3 vendors · 27 products
References
10 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14865X Refsource CONFIRMIssue TrackingThird Party Advisory
- access.redhat.com/errata/RHSA-2020:0335Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- www.openwall.com/lists/oss-security/2024/02/06/3Third Party Advisory