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{"bugzilla": {"description": "kernel: net: wwan: iosm: fix memory leak in ipc_wwan_dellink", "id": "2363437", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363437"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: wwan: iosm: fix memory leak in ipc_wwan_dellink\nIOSM driver registers network device without setting the\nneeds_free_netdev flag, and does NOT call free_netdev() when\nunregisters network device, which causes a memory leak.\nThis patch sets needs_free_netdev to true when registers\nnetwork device, which makes netdev subsystem call free_netdev()\nautomatically after unregister_netdevice()."], "name": "CVE-2022-49867", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not 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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49867\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49867\nhttps://lore.kernel.org/linux-cve-announce/2025050149-CVE-2022-49867-e420@gregkh/T"], "statement": "This patch fixes a memory leak in the iosm WWAN driver. The driver failed to set needs_free_netdev = true when registering a network device, resulting in the memory not being freed during unregister_netdevice(). This oversight could lead to memory exhaustion over time if interfaces are frequently created and destroyed. The issue causes a kernel memory leak but does not involve privilege escalation, data corruption, or direct denial of service unless heavily exploited over time.", "threat_severity": "Moderate"}

{}