{"uuid": "4747be18-ca07-4a6d-b166-cec19ef9768e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-53121", "type": "seen", "source": "https://t.me/cvedetector/24365", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2023-53121 - Linux Kernel TCP Information Disclosure Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2023-53121 \nPublished : May 2, 2025, 4:15 p.m. | 1\u00a0hour, 4\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \ntcp: tcp_make_synack() can be called from process context  \n  \ntcp_rtx_synack() now could be called in process context as explained in  \n0a375c822497 (\"tcp: tcp_rtx_synack() can be called from process  \ncontext\").  \n  \ntcp_rtx_synack() might call tcp_make_synack(), which will touch per-CPU  \nvariables with preemption enabled. This causes the following BUG:  \n  \n    BUG: using __this_cpu_add() in preemptible [00000000] code: ThriftIO1/5464  \n    caller is tcp_make_synack+0x841/0xac0  \n    Call Trace:  \n       \n     dump_stack_lvl+0x10d/0x1a0  \n     check_preemption_disabled+0x104/0x110  \n     tcp_make_synack+0x841/0xac0  \n     tcp_v6_send_synack+0x5c/0x450  \n     tcp_rtx_synack+0xeb/0x1f0  \n     inet_rtx_syn_ack+0x34/0x60  \n     tcp_check_req+0x3af/0x9e0  \n     tcp_rcv_state_process+0x59b/0x2030  \n     tcp_v6_do_rcv+0x5f5/0x700  \n     release_sock+0x3a/0xf0  \n     tcp_sendmsg+0x33/0x40  \n     ____sys_sendmsg+0x2f2/0x490  \n     __sys_sendmsg+0x184/0x230  \n     do_syscall_64+0x3d/0x90  \n  \nAvoid calling __TCP_INC_STATS() with will touch per-cpu variables. Use  \nTCP_INC_STATS() which is safe to be called from context switch. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"02 May 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-05-02T20:07:54.000000Z"}