{"id":"AZL-54227","summary":"CVE-2024-53120 affecting package kernel for versions less than 6.6.64.2-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: CT: Fix null-ptr-deref in add rule err flow\n\nIn error flow of mlx5_tc_ct_entry_add_rule(), in case ct_rule_add()\ncallback returns error, zone_rule-\u003eattr is used uninitiated. Fix it to\nuse attr which has the needed pointer value.\n\nKernel log:\n BUG: kernel NULL pointer dereference, address: 0000000000000110\n RIP: 0010:mlx5_tc_ct_entry_add_rule+0x2b1/0x2f0 [mlx5_core]\n…\n Call Trace:\n  \u003cTASK\u003e\n  ? __die+0x20/0x70\n  ? page_fault_oops+0x150/0x3e0\n  ? exc_page_fault+0x74/0x140\n  ? asm_exc_page_fault+0x22/0x30\n  ? mlx5_tc_ct_entry_add_rule+0x2b1/0x2f0 [mlx5_core]\n  ? mlx5_tc_ct_entry_add_rule+0x1d5/0x2f0 [mlx5_core]\n  mlx5_tc_ct_block_flow_offload+0xc6a/0xf90 [mlx5_core]\n  ? nf_flow_offload_tuple+0xd8/0x190 [nf_flow_table]\n  nf_flow_offload_tuple+0xd8/0x190 [nf_flow_table]\n  flow_offload_work_handler+0x142/0x320 [nf_flow_table]\n  ? finish_task_switch.isra.0+0x15b/0x2b0\n  process_one_work+0x16c/0x320\n  worker_thread+0x28c/0x3a0\n  ? __pfx_worker_thread+0x10/0x10\n  kthread+0xb8/0xf0\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork+0x2d/0x50\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork_asm+0x1a/0x30\n  \u003c/TASK\u003e","modified":"2026-04-01T05:16:39.403375Z","published":"2024-12-02T14:15:12Z","upstream":["CVE-2024-53120"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53120"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.64.2-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-54227.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}