Memory leak in the vrend_renderer_init_blit_ctx function in vrend_blitter.c in virglrenderer before 0.6.0 allows local guest OS users to cau
Memory leak in the vrend_renderer_init_blit_ctx function in vrend_blitter.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRGL_CCMD_BLIT commands.
- Published
- Mar 15, 2017
- Updated
- Jun 16, 2026
- EPSS
- 0.4% · 30th percentile
- CWE
- CWE-772
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| virglrenderer project | virglrenderer | cpe:2.3:a:virglrenderer_project:virglrenderer |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- virglrenderer project virglrendererup to 0.5.0 inclusive
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | virglrenderer | before 0.6.0-1 | 0.6.0-1 |
| openSUSE:Tumbleweed | virglrenderer | before 0.9.1-1.3 | 0.9.1-1.3 |
| SUSE:Linux Enterprise Desktop 12 SP2 | virglrenderer | before 0.5.0-11.1 | 0.5.0-11.1 |
Same product
virglrenderer project: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-0135An out-of-bounds write issue was found in the VirGL virtual OpenGL renderer (virglrenderer).31Monitor
- CVE-2019-18389A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows gue31Monitor
- CVE-2019-18390An out-of-bounds read in the vrend_blit_need_swizzle function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to ca28Monitor
- CVE-2017-5580The parse_instruction function in gallium/auxiliary/tgsi/tgsi_text.c in virglrenderer before 0.6.0 allows local guest OS users to cause a de28Monitor
- CVE-2016-10214Memory leak in the virgl_resource_attach_backing function in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of ser26Monitor
- CVE-2017-5937The util_format_is_pure_uint function in vrend_renderer.c in Virgil 3d project (aka virglrenderer) 0.6.0 and earlier allows local guest OS u26Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:virglrenderer | 0.6.0-1 · Debian:12 | Package registry (OSV) |
| opensuse:virglrenderer | 0.9.1-1.3 · openSUSE:Tumbleweed | Package registry (OSV) |
| suse:virglrenderer | 0.5.0-11.1 · SUSE:Linux Enterprise Desktop 12 SP2 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-772 · Missing Release of Resource after Effective LifetimeCVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- security.gentoo.org/glsa/201707-06
- www.openwall.com/lists/oss-security/2017/02/15/7
- www.securityfocus.com/bid/96275
- bugzilla.redhat.com/show_bug.cgi?id=1422438
- cgit.freedesktop.org/virglrenderer/commit/?id=6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22
- lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.