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Vulnerability · Published Oct 30, 2025 · Assigned by Linux

CVE-2025-40091ixgbe: fix too early devlink_free() in ixgbe_remove()

Unrated

In plain English

A security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 91.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: ixgbe: fix too early devlink_free() in ixgbe_remove() Since ixgbe_adapter is embedded in devlink, calling devlink_free() prematurely in the ixgbe_remove() path can lead to UAF. Move devlink_free() to the end. KASAN report: BUG: KASAN: use-after-free in ixgbe_reset_interrupt_capability+0x140/0x180 [ixgbe] Read of size 8 at addr ffff0000adf813e0 by task bash/2095 CPU: 1 UID: 0 PID: 2095 Comm: bash Tainted: G S 6.17.0-rc2-tnguy.net-queue+ #1 PREEMPT(full) [...] Call trace: show_stack+0x30/0x90 (C) dump_stack_lvl+0x9c/0xd0 print_address_description.constprop.0+0x90/0x310 print_report+0x104/0x1f0 kasan_report+0x88/0x180 __asan_report_load8_noabort+0x20/0x30 ixgbe_reset_interrupt_capability+0x140/0x180 [ixgbe] ixgbe_clear_interrupt_scheme+0xf8/0x130 [ixgbe] ixgbe_remove+0x2d0/0x8c0 [ixgbe] pci_device_remove+0xa0/0x220 device_remove+0xb8/0x170 device_release_driver_internal+0x318/0x490 device_driver_detach+0x40/0x68 unbind_store+0xec/0x118 drv_attr_store+0x64/0xb8 sysfs_kf_write+0xcc/0x138 kernfs_fop_write_iter+0x294/0x440 new_sync_write+0x1fc/0x588 vfs_write+0x480/0x6a0 ksys_write+0xf0/0x1e0 __arm64_sys_write+0x70/0xc0 invoke_syscall.constprop.0+0xcc/0x280 el0_svc_common.constprop.0+0xa8/0x248 do_el0_svc+0x44/0x68 el0_svc+0x54/0x160 el0t_64_sync_handler+0xa0/0xe8 el0t_64_sync+0x1b0/0x1b8

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14linux6.17.6-1DEBIAN-CVE-2025-40091
Ubuntu:25.10linux6.17.0-14.14UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:25.10linux-aws6.17.0-1007.7UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:25.10linux-azure6.17.0-1008.8UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-40091
Ubuntu:25.10linux-gcp6.17.0-1007.7UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1008.8~24.04.1UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1008.8UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1011.11UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-40091
Ubuntu:25.10linux-oracle6.17.0-1007.7UBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:25.10linux-raspi6.17.0-1008.8UBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40091
Ubuntu:25.10linux-realtime6.17.0-1006.7UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40091
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40091
Ubuntu:25.10linux-riscv6.17.0-14.14.1UBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-40091
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-40091

Affected products (as reported)

VendorProductVersions
Linux Linux a0285236ab93fdfdd1008afaa04561d142d6c276 – before df445969aa727cd64f3f29dc1f85fb60aca238d1a0285236ab93fdfdd1008afaa04561d142d6c276 – before 5feef67b646d8f5064bac288e22204ffba2b9a4a
Linux Linux 6.16

References