{"id":"CVE-2025-21649","title":"net: hns3: fix kernel crash when 1588 is sent on HIP08 devices","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix kernel crash when 1588 is sent on HIP08 devices\n\nCurrently, HIP08 devices does not register the ptp devices, so the\nhdev->ptp is NULL. But the tx process…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"adp","vendor":"Linux","product":"Linux","affected":["Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < 4cfa9624d6bf2d68c3831e22b49ccffe3f0b556a","Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < 7b1b15058b177b0457ebf34b6664763cf2bbf712","Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < 9d213ca0cb49e2d829f8338baf776f32cc8d9efa","Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < f19ab3ef96d9626e5f1bdc56d3574c355e83d623","Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < 9741e72b2286de8b38de9db685588ac421a95c87","Linux 5.14"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-10-01T19:53:53.106260Z"},"published":"2025-01-19","updated":"2026-09-14","sourceUpdated":"2026-09-14T11:57:51.478Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-21649","references":[{"url":"https://git.kernel.org/stable/c/4cfa9624d6bf2d68c3831e22b49ccffe3f0b556a"},{"url":"https://git.kernel.org/stable/c/7b1b15058b177b0457ebf34b6664763cf2bbf712"},{"url":"https://git.kernel.org/stable/c/9d213ca0cb49e2d829f8338baf776f32cc8d9efa"},{"url":"https://git.kernel.org/stable/c/f19ab3ef96d9626e5f1bdc56d3574c355e83d623"},{"url":"https://git.kernel.org/stable/c/9741e72b2286de8b38de9db685588ac421a95c87"}],"tags":["cve.org"],"epss":0.00212,"epssPercentile":0.11769,"ingestedAt":"2026-09-14T15:23:07.460Z","slug":"CVE-2025-21649","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix kernel crash when 1588 is sent on HIP08 devices\n\nCurrently, HIP08 devices does not register the ptp devices, so the\nhdev->ptp is NULL. But the tx process would still try to set hardware time\nstamp info with SKBTX_HW_TSTAMP flag and cause a kernel crash.\n\n[  128.087798] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018\n...\n[  128.280251] pc : hclge_ptp_set_tx_info+0x2c/0x140 [hclge]\n[  128.286600] lr : hclge_ptp_set_tx_info+0x20/0x140 [hclge]\n[  128.292938] sp : ffff800059b93140\n[  128.297200] x29: ffff800059b93140 x28: 0000000000003280\n[  128.303455] x27: ffff800020d48280 x26: ffff0cb9dc814080\n[  128.309715] x25: ffff0cb9cde93fa0 x24: 0000000000000001\n[  128.315969] x23: 0000000000000000 x22: 0000000000000194\n[  128.322219] x21: ffff0cd94f986000 x20: 0000000000000000\n[  128.328462] x19: ffff0cb9d2a166c0 x18: 0000000000000000\n[  128.334698] x17: 0000000000000000 x16: ffffcf1fc523ed24\n[  128.340934] x15: 0000ffffd530a518 x14: 0000000000000000\n[  128.347162] x13: ffff0cd6bdb31310 x12: 0000000000000368\n[  128.353388] x11: ffff0cb9cfbc7070 x10: ffff2cf55dd11e02\n[  128.359606] x9 : ffffcf1f85a212b4 x8 : ffff0cd7cf27dab0\n[  128.365831] x7 : 0000000000000a20 x6 : ffff0cd7cf27d000\n[  128.372040] x5 : 0000000000000000 x4 : 000000000000ffff\n[  128.378243] x3 : 0000000000000400 x2 : ffffcf1f85a21294\n[  128.384437] x1 : ffff0cb9db520080 x0 : ffff0cb9db500080\n[  128.390626] Call trace:\n[  128.393964]  hclge_ptp_set_tx_info+0x2c/0x140 [hclge]\n[  128.399893]  hns3_nic_net_xmit+0x39c/0x4c4 [hns3]\n[  128.405468]  xmit_one.constprop.0+0xc4/0x200\n[  128.410600]  dev_hard_start_xmit+0x54/0xf0\n[  128.415556]  sch_direct_xmit+0xe8/0x634\n[  128.420246]  __dev_queue_xmit+0x224/0xc70\n[  128.425101]  dev_queue_xmit+0x1c/0x40\n[  128.429608]  ovs_vport_send+0xac/0x1a0 [openvswitch]\n[  128.435409]  do_output+0x60/0x17c [openvswitch]\n[  128.440770]  do_execute_actions+0x898/0x8c4 [openvswitch]\n[  128.446993]  ovs_execute_actions+0x64/0xf0 [openvswitch]\n[  128.453129]  ovs_dp_process_packet+0xa0/0x224 [openvswitch]\n[  128.459530]  ovs_vport_receive+0x7c/0xfc [openvswitch]\n[  128.465497]  internal_dev_xmit+0x34/0xb0 [openvswitch]\n[  128.471460]  xmit_one.constprop.0+0xc4/0x200\n[  128.476561]  dev_hard_start_xmit+0x54/0xf0\n[  128.481489]  __dev_queue_xmit+0x968/0xc70\n[  128.486330]  dev_queue_xmit+0x1c/0x40\n[  128.490856]  ip_finish_output2+0x250/0x570\n[  128.495810]  __ip_finish_output+0x170/0x1e0\n[  128.500832]  ip_finish_output+0x3c/0xf0\n[  128.505504]  ip_output+0xbc/0x160\n[  128.509654]  ip_send_skb+0x58/0xd4\n[  128.513892]  udp_send_skb+0x12c/0x354\n[  128.518387]  udp_sendmsg+0x7a8/0x9c0\n[  128.522793]  inet_sendmsg+0x4c/0x8c\n[  128.527116]  __sock_sendmsg+0x48/0x80\n[  128.531609]  __sys_sendto+0x124/0x164\n[  128.536099]  __arm64_sys_sendto+0x30/0x5c\n[  128.540935]  invoke_syscall+0x50/0x130\n[  128.545508]  el0_svc_common.constprop.0+0x10c/0x124\n[  128.551205]  do_el0_svc+0x34/0xdc\n[  128.555347]  el0_svc+0x20/0x30\n[  128.559227]  el0_sync_handler+0xb8/0xc0\n[  128.563883]  el0_sync+0x160/0x180\n\n## Affected\n\n- `Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < 4cfa9624d6bf2d68c3831e22b49ccffe3f0b556a`\n- `Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < 7b1b15058b177b0457ebf34b6664763cf2bbf712`\n- `Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < 9d213ca0cb49e2d829f8338baf776f32cc8d9efa`\n- `Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < f19ab3ef96d9626e5f1bdc56d3574c355e83d623`\n- `Linux >= 0bf5eb788512187b744ef7f79de835e6cbe85b9c < 9741e72b2286de8b38de9db685588ac421a95c87`\n- `Linux 5.14`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}