ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues
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]->q_vector is NULL. Tested adaptor: 60:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Controller E810-XXV for SFP [8086:159b] (rev 02) Subsystem: Intel Corporation Ethernet Network Adapter E810-XXV-2 [8086:4003] SR-IOV state: both disabled and enabled can reproduce this issue. kernel version: v6.18 Reproduce steps: Boot up and execute suspend like systemctl suspend or rtcwake. Log: <1>[ 231.443607] BUG: kernel NULL pointer dereference, address: 0000000000000040 <1>[ 231.444052] #PF: supervisor read access in kernel mode <1>[ 231.444484] #PF: error_code(0x0000) - not-present page <6>[ 231.444913] PGD 0 P4D 0 <4>[ 231.445342] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 231.446635] RIP: 0010:netif_queue_set_napi+0xa/0x170 <4>[ 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 <48> 83 79 30 00 0f 84 39 01 00 00 55 41 89 d1 49 89 f8 89 f2 48 89 <4>[ 231.447513] RSP: 0018:ffffcc780fc078c0 EFLAGS: 00010202 <4>[ 231.447961] RAX: ffff8b848ca30400 RBX: ffff8b848caf2028 RCX: 0000000000000010 <4>[ 231.448443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8b848dbd4000 <4>[ 231.448896] RBP: ffffcc780fc078e8 R08: 0000000000000000 R09: 0000000000
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 6.12.69, 6.18.9
- CVEs
- CVE-2026-23166
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 15:44 UTC · Revision 1
Source evidence
ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues
core-osv · Original sourcePublished 14 Feb 2026, 16:01 UTC
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]->q_vector is NULL. Tested adaptor: 60:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Controller E810-XXV for SFP [8086:159b] (rev 02) Subsystem: Intel Corporation Ethernet Network Adapter E810-XXV-2 [8086:4003] SR-IOV state: both disabled and enabled can reproduce this issue. kernel version: v6.18 Reproduce steps: Boot up and execute suspend like systemctl suspend or rtcwake. Log: <1>[ 231.443607] BUG: kernel NULL pointer dereference, address: 0000000000000040 <1>[ 231.444052] #PF: supervisor read access in kernel mode <1>[ 231.444484] #PF: error_code(0x0000) - not-present page <6>[ 231.444913] PGD 0 P4D 0 <4>[ 231.445342] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 231.446635] RIP: 0010:netif_queue_set_napi+0xa/0x170 <4>[ 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 <48> 83 79 30 00 0f 84 39 01 00 00 55 41 89 d1 49 89 f8 89 f2 48 89 <4>[ 231.447513] RSP: 0018:ffffcc780fc078c0 EFLAGS: 00010202 <4>[ 231.447961] RAX: ffff8b848ca30400 RBX: ffff8b848caf2028 RCX: 0000000000000010 <4>[ 231.448443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8b848dbd4000 <4>[ 231.448896] RBP: ffffcc780fc078e8 R08: 0000000000000000 R09: 0000000000
osv:CVE-2026-23166
Kernel
Fixed versions: 6.12.69, 6.18.9
Complete source record
{
"id": "2e0754853b62de81bba551c205809df2596ed566e509bd6644c08181277acf2c",
"url": "https://osv.dev/vulnerability/CVE-2026-23166",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues",
"summary": "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]->q_vector is NULL. Tested adaptor: 60:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Controller E810-XXV for SFP [8086:159b] (rev 02) Subsystem: Intel Corporation Ethernet Network Adapter E810-XXV-2 [8086:4003] SR-IOV state: both disabled and enabled can reproduce this issue. kernel version: v6.18 Reproduce steps: Boot up and execute suspend like systemctl suspend or rtcwake. Log: <1>[ 231.443607] BUG: kernel NULL pointer dereference, address: 0000000000000040 <1>[ 231.444052] #PF: supervisor read access in kernel mode <1>[ 231.444484] #PF: error_code(0x0000) - not-present page <6>[ 231.444913] PGD 0 P4D 0 <4>[ 231.445342] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 231.446635] RIP: 0010:netif_queue_set_napi+0xa/0x170 <4>[ 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 <48> 83 79 30 00 0f 84 39 01 00 00 55 41 89 d1 49 89 f8 89 f2 48 89 <4>[ 231.447513] RSP: 0018:ffffcc780fc078c0 EFLAGS: 00010202 <4>[ 231.447961] RAX: ffff8b848ca30400 RBX: ffff8b848caf2028 RCX: 0000000000000010 <4>[ 231.448443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8b848dbd4000 <4>[ 231.448896] RBP: ffffcc780fc078e8 R08: 0000000000000000 R09: 0000000000",
"evidence": "osv:CVE-2026-23166",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.12.69",
"evidence": "/affected/1/ranges"
},
{
"value": "6.18.9",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2026-23166",
"aliases": [
"CVE-2026-23166"
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
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{
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},
{
"fixed": "36126ddbe924727add05a594dedf230d3b575e4d"
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{
"fixed": "9bb30be4d89ff9a8d7ab1aa0eb2edaca83431f85"
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{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
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"introduced": "6.10.10"
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{
"fixed": "6.11"
}
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{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
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"versions": [
"v6.10.14",
"v6.10.13",
"v6.10.12",
"v6.10.11",
"v6.10.10"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23166.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.11.0"
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{
"fixed": "6.12.69"
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{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.13.0"
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{
"fixed": "6.18.9"
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23166.json"
}
}
],
"modified": "2026-10-28T02:30:30.361496152Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/36126ddbe924727add05a594dedf230d3b575e4d",
"https://git.kernel.org/stable/c/9bb30be4d89ff9a8d7ab1aa0eb2edaca83431f85",
"https://git.kernel.org/stable/c/d75c7b7c3c2b8e3569043099e6bdcefc983856c5",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23166.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-23166",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23166.json"
}
},
"related_cves": [
{
"value": "CVE-2026-23166",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 496953,
"published_at": "2026-02-14T16:01:30.059+00:00"
}