{"cve":"CVE-2025-21890","nvd":{"published":"2025-03-27T15:15:56.923","modified":"2026-10-15T22:18:11.407","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix checksums set in idpf_rx_rsc()\n\nidpf_rx_rsc() uses skb_transport_offset(skb) while the transport header\nis not set yet.\n\nThis triggers the following warning for CONFIG_DEBUG_NET=y builds.\n\nDEBUG_NET_WARN_ON_ONCE(!skb_transport_header_was_set(skb))\n\n[   69.261620] WARNING: CPU: 7 PID: 0 at ./include/linux/skbuff.h:3020 idpf_vport_splitq_napi_poll (include/linux/skbuff.h:3020) idpf\n[   69.261629] Modules linked in: vfat fat dummy bridge intel_uncore_frequency_tpmi intel_uncore_frequency_common intel_vsec_tpmi idpf intel_vsec cdc_ncm cdc_eem cdc_ether usbnet mii xhci_pci xhci_hcd ehci_pci ehci_hcd libeth\n[   69.261644] CPU: 7 UID: 0 PID: 0 Comm: swapper/7 Tainted: G S      W          6.14.0-smp-DEV #1697\n[   69.261648] Tainted: [S]=CPU_OUT_OF_SPEC, [W]=WARN\n[   69.261650] RIP: 0010:idpf_vport_splitq_napi_poll (include/linux/skbuff.h:3020) idpf\n[   69.261677] ? __warn (kernel/panic.c:242 kernel/panic.c:748)\n[   69.261682] ? idpf_vport_splitq_napi_poll (include/linux/skbuff.h:3020) idpf\n[   69.261687] ? report_bug (lib/bug.c:?)\n[   69.261690] ? handle_bug (arch/x86/kernel/traps.c:285)\n[   69.261694] ? exc_invalid_op (arch/x86/kernel/traps.c:309)\n[   69.261697] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)\n[   69.261700] ? __pfx_idpf_vport_splitq_napi_poll (drivers/net/ethernet/intel/idpf/idpf_txrx.c:4011) idpf\n[   69.261704] ? idpf_vport_splitq_napi_poll (include/linux/skbuff.h:3020) idpf\n[   69.261708] ? idpf_vport_splitq_napi_poll (drivers/net/ethernet/intel/idpf/idpf_txrx.c:3072) idpf\n[   69.261712] __napi_poll (net/core/dev.c:7194)\n[   69.261716] net_rx_action (net/core/dev.c:7265)\n[   69.261718] ? __qdisc_run (net/sched/sch_generic.c:293)\n[   69.261721] ? sched_clock (arch/x86/include/asm/preempt.h:84 arch/x86/kernel/tsc.c:288)\n[   69.261726] handle_softirqs (kernel/softirq.c:561)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/4279bbebe00ffdbfd1a77567961886e35465cbdc","https://git.kernel.org/stable/c/57e68f256911f3ab4b997141975561646ccbbb8c","https://git.kernel.org/stable/c/674fcb4f4a7e3e277417a01788cc6daae47c3804"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:28.034033815+00:00"},"epss":{"cve":"CVE-2025-21890","score":0.00392,"percentile":0.33056,"date":"2026-10-26"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}