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{"bugzilla": {"description": "kernel: sock_map: fix a NULL pointer dereference in sock_map_link_update_prog()", "id": "2324856", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2324856"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/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:\nsock_map: fix a NULL pointer dereference in sock_map_link_update_prog()\nThe following race condition could trigger a NULL pointer dereference:\nsock_map_link_detach():sock_map_link_update_prog():\nmutex_lock(&sockmap_mutex);\n...\nsockmap_link->map = NULL;\nmutex_unlock(&sockmap_mutex);\nmutex_lock(&sockmap_mutex);\n...\nsock_map_prog_link_lookup(sockmap_link->map);\nmutex_unlock(&sockmap_mutex);\n<continue>\nFix it by adding a NULL pointer check. In this specific case, it makes\nno sense to update a link which is being released."], "name": "CVE-2024-50260", "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": "2024-11-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50260\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50260\nhttps://lore.kernel.org/linux-cve-announce/2024110940-CVE-2024-50260-db68@gregkh/T"], "threat_severity": "Moderate"}

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