{"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":"2026-05-11T22:01:36.058Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:01:36.058Z"},"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]  <TASK>\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"}]},{"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"}}}}