# NULL pointer dereference in AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics and others CVE record · `CVE-2026-43603` - **Identifiers:** `CVE-2026-43603` - **State:** Confirmed - **Severity:** CVSS 6.9 Medium - **Critical:** No - **CNA:** AMD - **Weakness (CWE):** [CWE-476](https://cwe.mitre.org/data/definitions/476.html) - **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md) - **Technologies:** [AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-4000-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7035-series-processors-with-radeontm-graphics.md) · [AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-athlontm-3000-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7040-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7020-series-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7045-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-7000-series-desktop-processors.md) · [AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7030-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 9000HX Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-9000hx-series-processors.md) · [AMD Ryzen™ AI 300 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-ai-300-series-processors.md) · [AMD Ryzen™ 8000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-8000-series-desktop-processors.md) · [AMD Ryzen™ 9000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-9000-series-desktop-processors.md) · [AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 4000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-4000-series-desktop-processors.md) · [AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-desktop-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-8040-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-6000-series-processors-with-radeontm-graphics.md) · [AMD Ryzen™ AI Max 300 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-ai-max-300-series-processors.md) · [AMD Ryzen™ AI Max 400 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-ai-max-400-series-processors.md) · [AMD Ryzen™ AI 400 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-ai-400-series-processors.md) - **Published:** 3 Nov 2026 - **Updated:** 3 Nov 2026 - **Reviewed by a person:** No Published by the CVE Program (CNA: AMD) at 3 Nov 2026, 15:06 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: AMD. Product: AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 7000 Series Desktop Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 9000HX Series Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ AI 300 Series Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 8000 Series Desktop Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 9000 Series Desktop Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 4000 Series Desktop Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ AI Max 300 Series Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ AI Max 400 Series Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ AI 400 Series Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ RX 9000 Series Graphics Products. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ AI PRO R9000 Series Graphics Products. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ RX 7000 Series Graphics Products. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO W7000 Series Graphics Products. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO W6000 Series Graphics Products. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ RX 6000 Series Graphics Products. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO W5000 Series Graphics Products. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ RX 5000 Series Graphics Products. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI210. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI250. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI300A. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI300X. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI325X. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI350X. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI355X. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI308X. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Instinct™ MI250X. - unaffected: `Linux GPU Driver 31.40` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO V710. - unaffected: `Contact your AMD Customer Engineering representative` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO V620. - unaffected: `Contact your AMD Customer Engineering representative` - Other versions: affected - Vendor: AMD. Product: AMD EPYC™ 4005 Series Processors. - unaffected: `Radeon Software for Linux 26.13` - Other versions: affected And 1 more products. The full list is on the CVE record: ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 6.9 Medium, CVSS 4.0: `CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`, from CNA (AMD) - **CISA KEV:** Not listed. - **EPSS:** 0.0016, the 4th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline - 3 Nov 2026, 15:06 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-43603) - 3 Nov 2026, 15:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-43603) - 3 Nov 2026, 15:18 UTC: First seen by agentprime ## Sources - [CVE List: CVE-2026-43603](https://www.cve.org/CVERecord?id=CVE-2026-43603) - [NVD: CVE-2026-43603](https://nvd.nist.gov/vuln/detail/CVE-2026-43603) ### References from the CNA - Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .