Search/CVE-2026-63854
● CVE — High

CVE-2026-63854

VendorlinuxProductlinux kernelDiscoveredJul 19, 2026UpdatedOct 30, 2026

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 663bed3c7b8b9a7624b0d95d300ddae034ad0614)

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CVSS v3.1
7.8 HIGH
EPSS
0.18%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
21
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 26, 2026 → Sep 25, 2026
● 0.00pp
0.18% → 0.18% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
23 relationships
Timeline
disclosure → media coverage
Jul 19, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 30, 2026
Jul 21, 2026
ubuntu.com reports: USN-8574-1: Linux kernel (GCP FIPS) vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8593-1: Linux kernel vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8574-2: Linux kernel vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8595-1: Linux kernel (Oracle) vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8596-1: Linux kernel (NVIDIA) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8603-1: Linux kernel (Azure) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8595-2: Linux kernel (AWS) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8606-1: Linux kernel (Azure) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8607-1: Linux kernel (Azure CVM) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8608-1: Linux kernel (Azure FIPS) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8609-1: Linux kernel (Azure CVM) vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8618-1: Linux kernel vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8574-3: Linux kernel vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8595-3: Linux kernel (AWS) vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8619-1: Linux kernel (HWE) vulnerabilities
Aug 20, 2026
ubuntu.com reports: USN-8663-1: Linux kernel (NVIDIA) vulnerabilities
Aug 20, 2026
ubuntu.com reports: USN-8664-1: Linux kernel (NVIDIA BaseOS) vulnerabilities
Aug 20, 2026
ubuntu.com reports: USN-8665-1: Linux kernel (Raspberry Pi) vulnerabilities
Sep 7, 2026
ubuntu.com reports: USN-8728-1: Linux kernel (GCP) vulnerabilities
Sep 22, 2026
ubuntu.com reports: USN-8728-2: Linux kernel (Azure) vulnerabilities
Sep 29, 2026
ubuntu.com reports: USN-8728-3: Linux kernel (Oracle) vulnerabilities