Linux Kernel up to 7.0.9 Drm Amdgpu Jpeg /amdgpu/jpeg Local Privilege Escalation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as very critical has been reported in Linux Kernel up to 7.0.9. This issue affects some unknown processing of the file /amdgpu/jpeg of the component Drm Amdgpu Jpeg. The manipulation leads to Local Privilege Escalation. This vulnerability is listed as CVE-2026-63840. The attack must be carried out locally. There is no available exploit.
Details
A vulnerability, which was classified as very critical, has been found in Linux Kernel up to 7.0.9. This issue affects an unknown code of the file /amdgpu/jpeg of the component Drm Amdgpu Jpeg. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 86ac011ae234c03fb872f4945913391ea1d8862e)
The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2026-63840 since 07/19/2026. The exploitation is known to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/19/2026).
Upgrading to version 7.0.10 eliminates this vulnerability. Applying the patch 86ac011ae234c03fb872f4945913391ea1d8862e is able to eliminate this problem.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.4
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Local Privilege EscalationCWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Upgrade: Kernel 7.0.10
Patch: 86ac011ae234c03fb872f4945913391ea1d8862e
Timeline
07/19/2026 Advisory disclosed07/19/2026 CVE reserved
07/19/2026 VulDB entry created
07/19/2026 VulDB entry last update
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2026-63840 (🔒)
GCVE (CVE): GCVE-0-2026-63840
GCVE (VulDB): GCVE-100-380153
Entry
Created: 07/19/2026 16:42Changes: 07/19/2026 16:42 (55)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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