CVE-2026-43196

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43196", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.992Z", "datePublished": "2026-05-06T11:28:04.132Z", "dateUpdated": "2026-05-11T22:19:42.186Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:19:42.186Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: ti: pruss: Fix double free in pruss_clk_mux_setup()\n\nIn the pruss_clk_mux_setup(), the devm_add_action_or_reset() indirectly\ncalls pruss_of_free_clk_provider(), which calls of_node_put(clk_mux_np)\non the error path. However, after the devm_add_action_or_reset()\nreturns, the of_node_put(clk_mux_np) is called again, causing a double\nfree.\n\nFix by returning directly, to avoid the duplicate of_node_put()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/soc/ti/pruss.c"], "versions": [{"version": "ba59c9b43c86b2c2396acac94e41d946cbaec9fe", "lessThan": "dbda01bf2dfe5af33163e1e5fca1b82b619c2803", "status": "affected", "versionType": "git"}, {"version": "ba59c9b43c86b2c2396acac94e41d946cbaec9fe", "lessThan": "24c40076e3bc3d73c839c886d6bda1da6c4d9b93", "status": "affected", "versionType": "git"}, {"version": "ba59c9b43c86b2c2396acac94e41d946cbaec9fe", "lessThan": "818cf66d91c8ef09b01664a12d5f4ea786d64396", "status": "affected", "versionType": "git"}, {"version": "ba59c9b43c86b2c2396acac94e41d946cbaec9fe", "lessThan": "e113339cc7d23be4948891f3a702e9dce5b47035", "status": "affected", "versionType": "git"}, {"version": "ba59c9b43c86b2c2396acac94e41d946cbaec9fe", "lessThan": "69aa67c1e22d13e9aad4b08c86304ad8e743dcab", "status": "affected", "versionType": "git"}, {"version": "ba59c9b43c86b2c2396acac94e41d946cbaec9fe", "lessThan": "b7db9953c2f8da37de498198623b05b46f8e2ca0", "status": "affected", "versionType": "git"}, {"version": "ba59c9b43c86b2c2396acac94e41d946cbaec9fe", "lessThan": "04dbbb18cc9c8795c9ff47d8994bc03ebfef9d68", "status": "affected", "versionType": "git"}, {"version": "ba59c9b43c86b2c2396acac94e41d946cbaec9fe", "lessThan": "80db65d4acfb9ff12d00172aed39ea8b98261aad", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/soc/ti/pruss.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/dbda01bf2dfe5af33163e1e5fca1b82b619c2803"}, {"url": "https://git.kernel.org/stable/c/24c40076e3bc3d73c839c886d6bda1da6c4d9b93"}, {"url": "https://git.kernel.org/stable/c/818cf66d91c8ef09b01664a12d5f4ea786d64396"}, {"url": "https://git.kernel.org/stable/c/e113339cc7d23be4948891f3a702e9dce5b47035"}, {"url": "https://git.kernel.org/stable/c/69aa67c1e22d13e9aad4b08c86304ad8e743dcab"}, {"url": "https://git.kernel.org/stable/c/b7db9953c2f8da37de498198623b05b46f8e2ca0"}, {"url": "https://git.kernel.org/stable/c/04dbbb18cc9c8795c9ff47d8994bc03ebfef9d68"}, {"url": "https://git.kernel.org/stable/c/80db65d4acfb9ff12d00172aed39ea8b98261aad"}], "title": "soc: ti: pruss: Fix double free in pruss_clk_mux_setup()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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However, after the devm_add_action_or_reset()\nreturns, the of_node_put(clk_mux_np) is called again, causing a double\nfree.\n\nFix by returning directly, to avoid the duplicate of_node_put()."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nsoc: ti: pruss: Arreglo de doble liberaci\u00f3n en pruss_clk_mux_setup()\n\nEn pruss_clk_mux_setup(), devm_add_action_or_reset() llama indirectamente a pruss_of_free_clk_provider(), que llama a of_node_put(clk_mux_np) en la ruta de error. Sin embargo, despu\u00e9s de que devm_add_action_or_reset() retorna, of_node_put(clk_mux_np) es llamada de nuevo, causando una doble liberaci\u00f3n.\n\nSe corrige retornando directamente, para evitar la llamada duplicada a of_node_put()."}], "id": "CVE-2026-43196", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-06T12:16:38.607", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/04dbbb18cc9c8795c9ff47d8994bc03ebfef9d68"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24c40076e3bc3d73c839c886d6bda1da6c4d9b93"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/69aa67c1e22d13e9aad4b08c86304ad8e743dcab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/80db65d4acfb9ff12d00172aed39ea8b98261aad"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/818cf66d91c8ef09b01664a12d5f4ea786d64396"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b7db9953c2f8da37de498198623b05b46f8e2ca0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dbda01bf2dfe5af33163e1e5fca1b82b619c2803"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e113339cc7d23be4948891f3a702e9dce5b47035"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: soc: ti: pruss: Fix double free in pruss_clk_mux_setup()", "id": "2467117", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467117"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1341", "details": ["A flaw was found in the Linux kernel, specifically within the PRUSS (Programmable Real-time Unit Subsystem) clock multiplexer setup. This vulnerability, a double free, occurs when the system attempts to release the same memory resource twice. This can lead to memory corruption, which a local attacker could potentially exploit to cause the system to crash, resulting in a denial of service (DoS)."], "name": "CVE-2026-43196", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43196\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43196\nhttps://lore.kernel.org/linux-cve-announce/2026050644-CVE-2026-43196-b9da@gregkh/T"], "threat_severity": "Moderate"}

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