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The fix adds a check to ensure 'pipe_ctx->plane_state' is not\nnull before accessing. This prevents a null pointer dereference.\n\nFound by code review.\n\n(cherry picked from commit 63e6a77ccf239337baa9b1e7787cde9fa0462092)"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Se corrige la comprobaci\u00f3n nula de pipe_ctx->plane_state en resource_build_scaling_params. Un problema de desreferencia de puntero nulo pod\u00eda ocurrir cuando pipe_ctx->plane_state era nulo. Esta correcci\u00f3n a\u00f1ade una comprobaci\u00f3n para garantizar que 'pipe_ctx->plane_state' no fuera nulo antes de acceder. Esto evita una desreferencia de puntero nulo. Encontrado mediante revisi\u00f3n de c\u00f3digo. 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{"bugzilla": {"description": "kernel: drm/amd/display: Fix null check for pipe_ctx->plane_state in resource_build_scaling_params", "id": "2356604", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2356604"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/display: Fix null check for pipe_ctx->plane_state in resource_build_scaling_params\nNull pointer dereference issue could occur when pipe_ctx->plane_state\nis null. The fix adds a check to ensure 'pipe_ctx->plane_state' is not\nnull before accessing. This prevents a null pointer dereference.\nFound by code review.\n(cherry picked from commit 63e6a77ccf239337baa9b1e7787cde9fa0462092)"], "name": "CVE-2025-21941", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21941\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21941\nhttps://lore.kernel.org/linux-cve-announce/2025040135-CVE-2025-21941-8240@gregkh/T"], "threat_severity": "Moderate"}