{"id":77151,"date":"2026-02-14T19:45:56","date_gmt":"2026-02-14T16:15:56","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-23166-ice-fix-null-pointer-dereference-in-ice_vsi_set_napi_queues\/"},"modified":"2026-02-14T19:45:56","modified_gmt":"2026-02-14T16:15:56","slug":"cve-2026-23166-ice-fix-null-pointer-dereference-in-ice_vsi_set_napi_queues","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-23166-ice-fix-null-pointer-dereference-in-ice_vsi_set_napi_queues\/","title":{"rendered":"CVE-2026-23166 &#8211; ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues"},"content":{"rendered":"<p>CVE ID : CVE-2026-23166<\/p>\n<p>Published :  Feb. 14, 2026, 4:15 p.m. | 14\u00a0minutes ago<\/p>\n<p>Description : In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues<\/p>\n<p>Add NULL pointer checks in ice_vsi_set_napi_queues() to prevent crashes<br \/>\nduring resume from suspend when rings[q_idx]-&gt;q_vector is NULL.<\/p>\n<p>Tested adaptor:<br \/>\n60:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Controller E810-XXV for SFP [8086:159b] (rev 02)<br \/>\n        Subsystem: Intel Corporation Ethernet Network Adapter E810-XXV-2 [8086:4003]\n<p>SR-IOV state: both disabled and enabled can reproduce this issue.<\/p>\n<p>kernel version: v6.18<\/p>\n<p>Reproduce steps:<br \/>\nBoot up and execute suspend like systemctl suspend or rtcwake.<\/p>\n<p>Log:<br \/>\n[  231.443607] BUG: kernel NULL pointer dereference, address: 0000000000000040<br \/>\n[  231.444052] #PF: supervisor read access in kernel mode<br \/>\n[  231.444484] #PF: error_code(0x0000) &#8211; not-present page<br \/>\n[  231.444913] PGD 0 P4D 0<br \/>\n[  231.445342] Oops: Oops: 0000 [#1] SMP NOPTI<br \/>\n[  231.446635] RIP: 0010:netif_queue_set_napi+0xa\/0x170<br \/>\n[  231.447067] Code: 31 f6 31 ff c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 48 85 c9 74 0b  83 79 30 00 0f 84 39 01 00 00 55 41 89 d1 49 89 f8 89 f2 48 89<br \/>\n[  231.447513] RSP: 0018:ffffcc780fc078c0 EFLAGS: 00010202<br \/>\n[  231.447961] RAX: ffff8b848ca30400 RBX: ffff8b848caf2028 RCX: 0000000000000010<br \/>\n[  231.448443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8b848dbd4000<br \/>\n[  231.448896] RBP: ffffcc780fc078e8 R08: 0000000000000000 R09: 0000000000000000<br \/>\n[  231.449345] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001<br \/>\n[  231.449817] R13: ffff8b848dbd4000 R14: ffff8b84833390c8 R15: 0000000000000000<br \/>\n[  231.450265] FS:  00007c7b29e9d740(0000) GS:ffff8b8c068e2000(0000) knlGS:0000000000000000<br \/>\n[  231.450715] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033<br \/>\n[  231.451179] CR2: 0000000000000040 CR3: 000000030626f004 CR4: 0000000000f72ef0<br \/>\n[  231.451629] PKRU: 55555554<br \/>\n[  231.452076] Call Trace:<br \/>\n[  231.452549]\n[  231.452996]  ? ice_vsi_set_napi_queues+0x4d\/0x110 [ice]\n[  231.453482]  ice_resume+0xfd\/0x220 [ice]\n[  231.453977]  ? __pfx_pci_pm_resume+0x10\/0x10<br \/>\n[  231.454425]  pci_pm_resume+0x8c\/0x140<br \/>\n[  231.454872]  ? __pfx_pci_pm_resume+0x10\/0x10<br \/>\n[  231.455347]  dpm_run_callback+0x5f\/0x160<br \/>\n[  231.455796]  ? dpm_wait_for_superior+0x107\/0x170<br \/>\n[  231.456244]  device_resume+0x177\/0x270<br \/>\n[  231.456708]  dpm_resume+0x209\/0x2f0<br \/>\n[  231.457151]  dpm_resume_end+0x15\/0x30<br \/>\n[  231.457596]  suspend_devices_and_enter+0x1da\/0x2b0<br \/>\n[  231.458054]  enter_state+0x10e\/0x570<\/p>\n<p>Add defensive checks for both the ring pointer and its q_vector<br \/>\nbefore dereferencing, allowing the system to resume successfully even when<br \/>\nq_vectors are unmapped.<\/p>\n<p>Severity: 0.0 | NA<\/p>\n<p>Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2026-23166 Published : Feb. 14, 2026, 4:15 p.m. | 14\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues Add NULL pointer checks in ice_vsi_set_napi_queues() to prevent crashes during resume from suspend when rings[q_idx]-&gt;q_vector is NULL. Tested adaptor: 60:00.0 Ethernet controller &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-77151","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/77151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=77151"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/77151\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=77151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=77151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=77151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}