CVE-2017-2635: redhat libvirt NULL Pointer Dereference
Vulnerability summary
CVE-2017-2635 is a high (CVSS 7.7) NULL Pointer Dereference vulnerability in redhat libvirt. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.7% of scored vulnerabilities.
Not severe (CVSS 7.7, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 22-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.
CVSS metrics
4 scores · 3 sources · 2 versions- NVDNIST6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
1.53%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.53% 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: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- libvirt< 3.0.0-3
Redhat1 product
- libvirt≥ 2.5.0, ≤ 3.0.0
The libvirt project1 product
- libvirtfrom 2.5.0 to 3.0.0
3 vendors · 3 products