CVE-2024-36331: linux Improper Initialization
Vulnerability summary
CVE-2024-36331 is a low (CVSS 3.2) Improper Initialization vulnerability in linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.5% of scored vulnerabilities.
Not severe (CVSS 3.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 23 · Related 22Timeline
- 06-09-2025PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
Improper initialization of CPU cache memory could allow a privileged attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated3.2LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated3.2LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
- NVDNIST3.2LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.15% 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, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu148 products
- linuxAll versions (No fix recorded) | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.148-1 | < 6.12.43-1 | < 6.16.3-1
2 vendors · 149 products