EUVD-2026-77154
GHSA-cp33-7crq-f47m
Severity by source
AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
Kernel heap double-free reliably causes kernel panic, warranting A:H over vendor-scored A:L; all other metrics align with the vendor vector.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
3DescriptionCVE.org
An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A double-free vulnerability in the Samsung Exynos DPU driver (due to improper pointer management during DMA buffer reallocation) leads to kernel memory corruption and a potential use-after-free.
AnalysisAI
Double-free in the Samsung Exynos Display Processing Unit (DPU) kernel driver allows a local low-privileged attacker to corrupt kernel heap memory and trigger a use-after-free condition across nine Exynos chip families spanning mid-range to flagship Samsung devices. Exploitation requires meeting a high-complexity timing condition during DMA buffer reallocation in the DPU driver, limiting practical attack surface despite the kernel-level impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local code execution on an Android device powered by one of the nine affected Exynos chip families (1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, or 2600). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 4.2 (AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L) appropriately reflects the local-only attack vector and high exploitation complexity, though A:L appears conservative for a kernel heap double-free that can reliably panic the system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the DPU driver firmware fix issued by Samsung via the product security updates portal at https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23790/. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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