PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-23788 Samsung CVE debrief

A heap overflow in the Exynos DRM HDR driver due to improper buffer size validation leads to kernel memory corruption and a system crash in Samsung Mobile Processor Exynos 1280, 2200, and 1380. This vulnerability affects systems using these processors, potentially leading to system crashes and kernel memory corruption if exploited. Defenders should assess exposure and verify affected versions to prioritize remediation efforts. The CVE record and NVD entry provide details on the vulnerability, but specific affected versions and remediation steps require verification from Samsung.

Vendor
Samsung
Product
Exynos 1280 firmware
CVSS
MEDIUM 4.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-14
Original CVE updated
2026-09-22
Advisory published
2026-09-14
Advisory updated
2026-09-22

Who should care

Defenders responsible for systems using Samsung Mobile Processor Exynos 1280, 2200, and 1380 should assess exposure and verify affected versions.

Why it matters

Defenders should prioritize verifying affected versions and assessing exposure in systems using Samsung Mobile Processor Exynos 1280, 2200, and 1380 due to the potential for system crashes and kernel memory corruption.

  • Verification of affected versions is required to assess exposure
  • System crashes and kernel memory corruption may occur if the vulnerability is exploited
  • Remediation steps require verification from Samsung

Technical summary

The Exynos DRM HDR driver is vulnerable to a heap overflow due to improper buffer size validation, leading to kernel memory corruption and a system crash in Samsung Mobile Processor Exynos 1280, 2200, and 1380. This vulnerability can be triggered by specially crafted inputs that exceed buffer size limits, potentially allowing attackers to corrupt kernel memory and cause system crashes. Defenders should prioritize verifying affected versions and assessing exposure in systems using these processors to mitigate potential impacts.

Defensive priority

Defenders should prioritize verifying affected versions and assessing exposure in systems using these processors.

Recommended defensive actions

  • Verify affected versions of Samsung Mobile Processor Exynos 1280, 2200, and 1380
  • Assess exposure in systems using these processors
  • Monitor for system crashes and kernel memory corruption

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but specific affected versions and remediation steps require verification from Samsung.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-23788 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-23788

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-23788 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-23788

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.