{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-20421", "assignerOrgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "assignerShortName": "google_android", "dateUpdated": "2024-08-03T02:10:44.836Z", "dateReserved": "2021-10-14T00:00:00.000Z", "datePublished": "2022-10-11T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "shortName": "google_android", "dateUpdated": "2022-11-01T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-239630375References: Upstream kernel"}], "affected": [{"vendor": "n/a", "product": "Android", "versions": [{"version": "Android kernel", "status": "affected"}]}], "references": [{"url": "https://source.android.com/security/bulletin/2022-10-01"}, {"name": "DSA-5257", "tags": ["vendor-advisory"], "url": "https://www.debian.org/security/2022/dsa-5257"}, {"name": "[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Elevation of privilege"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:10:44.836Z"}, "title": "CVE Program Container", "references": [{"url": "https://source.android.com/security/bulletin/2022-10-01", "tags": ["x_transferred"]}, {"name": "DSA-5257", "tags": ["vendor-advisory", "x_transferred"], "url": "https://www.debian.org/security/2022/dsa-5257"}, {"name": "[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"}]}]}}

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{"bugzilla": {"description": "kernel: use after free in binder_inc_ref_for_node in drivers/android/binder.c due", "id": "2139598", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139598"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.6", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-239630375References: Upstream kernel", "A vulnerability was found in the binder_inc_ref_for_node function in drivers/android/binder.c due to memory corruption, causing a use-after-free issue in the Linux kernel. This flaw could lead to local privilege escalation."], "name": "CVE-2022-20421", "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": "2022-08-01T12:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-20421\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-20421\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a0e44c64b6061dda7e00b7c458e4523e2331b739"], "statement": "There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code.", "threat_severity": "Moderate"}

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