CVE-2023-52510

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In\nthis case, a use-after-free may happen in the second time we call\nclk_unregister().\n\nFix this by removing the first clk_unregister(). Also, priv->clk could\nbe an error code on failure of clk_register_fixed_rate(). Use\nIS_ERR_OR_NULL to catch this case in ca8210_unregister_ext_clock()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ieee802154/ca8210.c"], "versions": [{"version": "ded845a781a578dfb0b5b2c138e5a067aa3b1242", "lessThan": "28b68cba378e3e50a4082b65f262bc4f2c7c2add", "status": "affected", "versionType": "git"}, {"version": "ded845a781a578dfb0b5b2c138e5a067aa3b1242", "lessThan": "cdb46be93c1f7bbf2c4649e9fc5fb147cfb5245d", "status": "affected", "versionType": "git"}, {"version": "ded845a781a578dfb0b5b2c138e5a067aa3b1242", "lessThan": "85c2857ef90041f567ce98722c1c342c4d31f4bc", "status": "affected", "versionType": "git"}, {"version": "ded845a781a578dfb0b5b2c138e5a067aa3b1242", "lessThan": "55e06850c7894f00d41b767c5f5665459f83f58f", "status": "affected", "versionType": "git"}, {"version": "ded845a781a578dfb0b5b2c138e5a067aa3b1242", "lessThan": 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However, the caller ca8210_probe() then calls ca8210_remove(),\nwhere priv->clk is freed again in ca8210_unregister_ext_clock(). In\nthis case, a use-after-free may happen in the second time we call\nclk_unregister().\n\nFix this by removing the first clk_unregister(). Also, priv->clk could\nbe an error code on failure of clk_register_fixed_rate(). 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"vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: ca8210: Fix a potential UAF in ca8210_probe\n\nIf of_clk_add_provider() fails in ca8210_register_ext_clock(),\nit calls clk_unregister() to release priv->clk and returns an\nerror. However, the caller ca8210_probe() then calls ca8210_remove(),\nwhere priv->clk is freed again in ca8210_unregister_ext_clock(). In\nthis case, a use-after-free may happen in the second time we call\nclk_unregister().\n\nFix this by removing the first clk_unregister(). Also, priv->clk could\nbe an error code on failure of clk_register_fixed_rate(). Use\nIS_ERR_OR_NULL to catch this case in ca8210_unregister_ext_clock()."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ieee802154: ca8210: solucione un UAF potencial en ca8210_probe Si of_clk_add_provider() falla en ca8210_register_ext_clock(), llama a clk_unregister() para liberar priv->clk y devuelve un error. Sin embargo, la persona que llama ca8210_probe() luego llama a ca8210_remove(), donde priv->clk se libera nuevamente en ca8210_unregister_ext_clock(). En este caso, puede ocurrir un Use After Free la segunda vez que llamamos a clk_unregister(). Solucione este problema eliminando el primer clk_unregister(). Adem\u00e1s, priv->clk podr\u00eda ser un c\u00f3digo de error en caso de falla de clk_register_fixed_rate(). Utilice IS_ERR_OR_NULL para detectar este caso en ca8210_unregister_ext_clock()."}], "id": "CVE-2023-52510", "lastModified": "2026-06-17T06:42:53.840", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52510", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-03-04T19:37:23.493520Z", "version": "2.0.3"}}]}, "published": "2024-03-02T22:15:47.587", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/217efe32a45249eb07dcd7197e8403de98345e66"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28b68cba378e3e50a4082b65f262bc4f2c7c2add"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/55e06850c7894f00d41b767c5f5665459f83f58f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84c6aa0ae5c4dc121f9996bb8fed46c80909d80e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/85c2857ef90041f567ce98722c1c342c4d31f4bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/becf5c147198f4345243c5df0c4f035415491640"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cdb46be93c1f7bbf2c4649e9fc5fb147cfb5245d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f990874b1c98fe8e57ee9385669f501822979258"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/217efe32a45249eb07dcd7197e8403de98345e66"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28b68cba378e3e50a4082b65f262bc4f2c7c2add"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/55e06850c7894f00d41b767c5f5665459f83f58f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84c6aa0ae5c4dc121f9996bb8fed46c80909d80e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/85c2857ef90041f567ce98722c1c342c4d31f4bc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/becf5c147198f4345243c5df0c4f035415491640"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cdb46be93c1f7bbf2c4649e9fc5fb147cfb5245d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f990874b1c98fe8e57ee9385669f501822979258"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ieee802154: ca8210: Fix a potential UAF in ca8210_probe", "id": "2267773", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267773"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nieee802154: ca8210: Fix a potential UAF in ca8210_probe\nIf of_clk_add_provider() fails in ca8210_register_ext_clock(),\nit calls clk_unregister() to release priv->clk and returns an\nerror. However, the caller ca8210_probe() then calls ca8210_remove(),\nwhere priv->clk is freed again in ca8210_unregister_ext_clock(). In\nthis case, a use-after-free may happen in the second time we call\nclk_unregister().\nFix this by removing the first clk_unregister(). Also, priv->clk could\nbe an error code on failure of clk_register_fixed_rate(). Use\nIS_ERR_OR_NULL to catch this case in ca8210_unregister_ext_clock()."], "name": "CVE-2023-52510", "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": "2024-03-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52510\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52510\nhttps://lore.kernel.org/linux-cve-announce/2024030250-CVE-2023-52510-6f8a@gregkh/T/#u"], "threat_severity": "Low"}

{}