{"id":"AZL-63107","summary":"CVE-2023-52670 affecting package kernel for versions less than 5.15.182.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nrpmsg: virtio: Free driver_override when rpmsg_remove()\n\nFree driver_override when rpmsg_remove(), otherwise\nthe following memory leak will occur:\n\nunreferenced object 0xffff0000d55d7080 (size 128):\n  comm \"kworker/u8:2\", pid 56, jiffies 4294893188 (age 214.272s)\n  hex dump (first 32 bytes):\n    72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00  rpmsg_ns........\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [\u003c000000009c94c9c1\u003e] __kmem_cache_alloc_node+0x1f8/0x320\n    [\u003c000000002300d89b\u003e] __kmalloc_node_track_caller+0x44/0x70\n    [\u003c00000000228a60c3\u003e] kstrndup+0x4c/0x90\n    [\u003c0000000077158695\u003e] driver_set_override+0xd0/0x164\n    [\u003c000000003e9c4ea5\u003e] rpmsg_register_device_override+0x98/0x170\n    [\u003c000000001c0c89a8\u003e] rpmsg_ns_register_device+0x24/0x30\n    [\u003c000000008bbf8fa2\u003e] rpmsg_probe+0x2e0/0x3ec\n    [\u003c00000000e65a68df\u003e] virtio_dev_probe+0x1c0/0x280\n    [\u003c00000000443331cc\u003e] really_probe+0xbc/0x2dc\n    [\u003c00000000391064b1\u003e] __driver_probe_device+0x78/0xe0\n    [\u003c00000000a41c9a5b\u003e] driver_probe_device+0xd8/0x160\n    [\u003c000000009c3bd5df\u003e] __device_attach_driver+0xb8/0x140\n    [\u003c0000000043cd7614\u003e] bus_for_each_drv+0x7c/0xd4\n    [\u003c000000003b929a36\u003e] __device_attach+0x9c/0x19c\n    [\u003c00000000a94e0ba8\u003e] device_initial_probe+0x14/0x20\n    [\u003c000000003c999637\u003e] bus_probe_device+0xa0/0xac","modified":"2026-04-01T05:20:10.146780Z","published":"2024-05-17T14:15:10Z","upstream":["CVE-2023-52670"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52670"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.182.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-63107.json"}}],"schema_version":"1.7.5"}