{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-23166", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.981Z", "datePublished": "2026-02-14T16:01:30.059Z", "dateUpdated": "2026-05-23T16:04:02.615Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T16:04:02.615Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: Fix NULL pointer dereference in ice_vsi_set_napi_queues\n\nAdd NULL pointer checks in ice_vsi_set_napi_queues() to prevent crashes\nduring resume from suspend when rings[q_idx]->q_vector is NULL.\n\nTested adaptor:\n60:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Controller E810-XXV for SFP [8086:159b] (rev 02)\n Subsystem: Intel Corporation Ethernet Network Adapter E810-XXV-2 [8086:4003]\n\nSR-IOV state: both disabled and enabled can reproduce this issue.\n\nkernel version: v6.18\n\nReproduce steps:\nBoot up and execute suspend like systemctl suspend or rtcwake.\n\nLog:\n<1>[ 231.443607] BUG: kernel NULL pointer dereference, address: 0000000000000040\n<1>[ 231.444052] #PF: supervisor read access in kernel mode\n<1>[ 231.444484] #PF: error_code(0x0000) - not-present page\n<6>[ 231.444913] PGD 0 P4D 0\n<4>[ 231.445342] Oops: Oops: 0000 [#1] SMP NOPTI\n<4>[ 231.446635] RIP: 0010:netif_queue_set_napi+0xa/0x170\n<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\n<4>[ 231.447513] RSP: 0018:ffffcc780fc078c0 EFLAGS: 00010202\n<4>[ 231.447961] RAX: ffff8b848ca30400 RBX: ffff8b848caf2028 RCX: 0000000000000010\n<4>[ 231.448443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8b848dbd4000\n<4>[ 231.448896] RBP: ffffcc780fc078e8 R08: 0000000000000000 R09: 0000000000000000\n<4>[ 231.449345] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001\n<4>[ 231.449817] R13: ffff8b848dbd4000 R14: ffff8b84833390c8 R15: 0000000000000000\n<4>[ 231.450265] FS: 00007c7b29e9d740(0000) GS:ffff8b8c068e2000(0000) knlGS:0000000000000000\n<4>[ 231.450715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n<4>[ 231.451179] CR2: 0000000000000040 CR3: 000000030626f004 CR4: 0000000000f72ef0\n<4>[ 231.451629] PKRU: 55555554\n<4>[ 231.452076] Call Trace:\n<4>[ 231.452549] \n<4>[ 231.452996] ? ice_vsi_set_napi_queues+0x4d/0x110 [ice]\n<4>[ 231.453482] ice_resume+0xfd/0x220 [ice]\n<4>[ 231.453977] ? __pfx_pci_pm_resume+0x10/0x10\n<4>[ 231.454425] pci_pm_resume+0x8c/0x140\n<4>[ 231.454872] ? __pfx_pci_pm_resume+0x10/0x10\n<4>[ 231.455347] dpm_run_callback+0x5f/0x160\n<4>[ 231.455796] ? dpm_wait_for_superior+0x107/0x170\n<4>[ 231.456244] device_resume+0x177/0x270\n<4>[ 231.456708] dpm_resume+0x209/0x2f0\n<4>[ 231.457151] dpm_resume_end+0x15/0x30\n<4>[ 231.457596] suspend_devices_and_enter+0x1da/0x2b0\n<4>[ 231.458054] enter_state+0x10e/0x570\n\nAdd defensive checks for both the ring pointer and its q_vector\nbefore dereferencing, allowing the system to resume successfully even when\nq_vectors are unmapped." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/intel/ice/ice_lib.c" ], "versions": [ { "version": "2a5dc090b92cfa5270e20056074241c6db5c9cdd", "lessThan": "d75c7b7c3c2b8e3569043099e6bdcefc983856c5", "status": "affected", "versionType": "git" }, { "version": "2a5dc090b92cfa5270e20056074241c6db5c9cdd", "lessThan": "36126ddbe924727add05a594dedf230d3b575e4d", "status": "affected", "versionType": "git" }, { "version": "2a5dc090b92cfa5270e20056074241c6db5c9cdd", "lessThan": "9bb30be4d89ff9a8d7ab1aa0eb2edaca83431f85", "status": "affected", "versionType": "git" }, { "version": "2285c2faef19ee08a6bd6754f4c3ec07dceb2889", "status": "affected", "versionType": "git" }, { "version": "6.10.10", "lessThan": "6.11", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/intel/ice/ice_lib.c" ], "versions": [ { "version": "6.11", "status": "affected" }, { "version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.69", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.9", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.12.69" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10.10" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/d75c7b7c3c2b8e3569043099e6bdcefc983856c5" }, { "url": "https://git.kernel.org/stable/c/36126ddbe924727add05a594dedf230d3b575e4d" }, { "url": "https://git.kernel.org/stable/c/9bb30be4d89ff9a8d7ab1aa0eb2edaca83431f85" } ], "title": "ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues", "x_generator": { "engine": "bippy-1.2.0" } } } }