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{"bugzilla": {"description": "kernel: media: v4l: async: Fix NULL pointer dereference in adding ancillary links", "id": "2305491", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2305491"}, "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:\nmedia: v4l: async: Fix NULL pointer dereference in adding ancillary links\nIn v4l2_async_create_ancillary_links(), ancillary links are created for\nlens and flash sub-devices. These are sub-device to sub-device links and\nif the async notifier is related to a V4L2 device, the source sub-device\nof the ancillary link is NULL, leading to a NULL pointer dereference.\nCheck the notifier's sd field is non-NULL in\nv4l2_async_create_ancillary_links().\n[Sakari Ailus: Reword the subject and commit messages slightly.]", "A flaw was found in the v4l2-async module in the Linux kernel. Adding ancillary links with a NULL source sub-device can cause a NULL pointer dereference, resulting in a denial of service."], "name": "CVE-2024-43833", "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": "2024-08-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-43833\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-43833\nhttps://lore.kernel.org/linux-cve-announce/2024081728-CVE-2024-43833-4e73@gregkh/T"], "statement": "The kernel as shipped in Red Hat Enterprise Linux is not affected by this vulnerability because the vulnerable code is not present.", "threat_severity": "Moderate"}