CVE-2026-43397

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{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/bridge/samsung-dsim.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "98310fe3a2a79671b739a5344c1a11d74c503e25", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}, {"lessThan": "0b07f7d2c5a4078c2f1c11bb36685084fe4e5c95", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}, {"lessThan": "e6d779654cda63d632bd8dfcdcabd125057e30a5", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}, {"lessThan": "a40b92fb4b26d4cb1b5e439e55a56db7e79a82d1", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}, {"lessThan": "803ec1faf7c1823e6e3b1f2aaa81be18528c9436", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/bridge/samsung-dsim.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.130", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.78", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.19", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B5DC2349-A344-41CA-9A54-55596F8AD981", "versionEndExcluding": "6.6.130", "versionStartIncluding": "6.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "28D591F5-B196-4CC9-905C-DC80F116E7A8", "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D394AC60-6F28-435F-872A-CCDF384B8331", "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: samsung-dsim: Fix memory leak in error path\n\nIn samsung_dsim_host_attach(), drm_bridge_add() is called to add the\nbridge. However, if samsung_dsim_register_te_irq() or\npdata->host_ops->attach() fails afterwards, the function returns\nwithout removing the bridge, causing a memory leak.\n\nFix this by adding proper error handling with goto labels to ensure\ndrm_bridge_remove() is called in all error paths. Also ensure that\nsamsung_dsim_unregister_te_irq() is called if the attach operation\nfails after the TE IRQ has been registered.\n\nsamsung_dsim_unregister_te_irq() function is moved without changes\nto be before samsung_dsim_host_attach() to avoid forward declaration."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm/bridge: samsung-dsim: Correcci\u00f3n de fuga de memoria en la ruta de error\n\nEn samsung_dsim_host_attach(), se llama a drm_bridge_add() para a\u00f1adir el puente. Sin embargo, si samsung_dsim_register_te_irq() o pdata -> host_ops -> attach() falla despu\u00e9s, la funci\u00f3n retorna sin eliminar el puente, causando una fuga de memoria.\n\nEsto se corrige a\u00f1adiendo un manejo de errores adecuado con etiquetas goto para asegurar que se llama a drm_bridge_remove() en todas las rutas de error. Tambi\u00e9n se asegura que se llama a samsung_dsim_unregister_te_irq() si la operaci\u00f3n de adjuntar falla despu\u00e9s de que el TE IRQ ha sido registrado.\n\nLa funci\u00f3n samsung_dsim_unregister_te_irq() se mueve sin cambios para estar antes de samsung_dsim_host_attach() para evitar la declaraci\u00f3n anticipada."}], "id": "CVE-2026-43397", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-08T15:16:51.117", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0b07f7d2c5a4078c2f1c11bb36685084fe4e5c95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/803ec1faf7c1823e6e3b1f2aaa81be18528c9436"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/98310fe3a2a79671b739a5344c1a11d74c503e25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a40b92fb4b26d4cb1b5e439e55a56db7e79a82d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e6d779654cda63d632bd8dfcdcabd125057e30a5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/bridge: samsung-dsim: Fix memory leak in error path", "id": "2468188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468188"}, "csaw": false, "cwe": "CWE-390", "details": ["A flaw was found in the Linux kernel's `drm/bridge: samsung-dsim` module. Improper error handling in the `samsung_dsim_host_attach()` function can lead to a memory leak. If the `drm_bridge_add()` operation is successful but subsequent operations fail, the bridge is not properly removed, causing memory to be retained. Over time, this unreleased memory can accumulate, potentially leading to a Denial of Service (DoS) condition where the system becomes unstable or unresponsive."], "name": "CVE-2026-43397", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43397\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43397\nhttps://lore.kernel.org/linux-cve-announce/2026050838-CVE-2026-43397-2864@gregkh/T"]}

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