Open-Source Security Intelligence

Know every vulnerability
before it knows you.

DevGuard continuously monitors your dependencies and alerts you when CVEs like this one affect your stack — with real-time threat intelligence built for developers.

Checkout DevGuardView on GitHub
Search

DEBIAN-CVE-2026-23046

Published Feb 4, 2026·Last modified Apr 28, 2026
Affected Components(0)

No affected components available

Description

In the Linux kernel, the following vulnerability has been resolved: virtio_net: fix device mismatch in devm_kzalloc/devm_kfree Initial rss_hdr allocation uses virtio_device->device, but virtnet_set_queues() frees using net_device->device. This device mismatch causing below devres warning [ 3788.514041] ------------[ cut here ]------------ [ 3788.514044] WARNING: drivers/base/devres.c:1095 at devm_kfree+0x84/0x98, CPU#16: vdpa/1463 [ 3788.514054] Modules linked in: octep_vdpa virtio_net virtio_vdpa [last unloaded: virtio_vdpa] [ 3788.514064] CPU: 16 UID: 0 PID: 1463 Comm: vdpa Tainted: G W 6.18.0 #10 PREEMPT [ 3788.514067] Tainted: [W]=WARN [ 3788.514069] Hardware name: Marvell CN106XX board (DT) [ 3788.514071] pstate: 63400009 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 3788.514074] pc : devm_kfree+0x84/0x98 [ 3788.514076] lr : devm_kfree+0x54/0x98 [ 3788.514079] sp : ffff800084e2f220 [ 3788.514080] x29: ffff800084e2f220 x28: ffff0003b2366000 x27: 000000000000003f [ 3788.514085] x26: 000000000000003f x25: ffff000106f17c10 x24: 0000000000000080 [ 3788.514089] x23: ffff00045bb8ab08 x22: ffff00045bb8a000 x21: 0000000000000018 [ 3788.514093] x20: ffff0004355c3080 x19: ffff00045bb8aa00 x18: 0000000000080000 [ 3788.514098] x17: 0000000000000040 x16: 000000000000001f x15: 000000000007ffff [ 3788.514102] x14: 0000000000000488 x13: 0000000000000005 x12: 00000000000fffff [ 3788.514106] x11: ffffffffffffffff x10: 0000000000000005 x9 : ffff800080c8c05c [ 3788.514110] x8 : ffff800084e2eeb8 x7 : 0000000000000000 x6 : 000000000000003f [ 3788.514115] x5 : ffff8000831bafe0 x4 : ffff800080c8b010 x3 : ffff0004355c3080 [ 3788.514119] x2 : ffff0004355c3080 x1 : 0000000000000000 x0 : 0000000000000000 [ 3788.514123] Call trace: [ 3788.514125] devm_kfree+0x84/0x98 (P) [ 3788.514129] virtnet_set_queues+0x134/0x2e8 [virtio_net] [ 3788.514135] virtnet_probe+0x9c0/0xe00 [virtio_net] [ 3788.514139] virtio_dev_probe+0x1e0/0x338 [ 3788.514144] really_probe+0xc8/0x3a0 [ 3788.514149] __driver_probe_device+0x84/0x170 [ 3788.514152] driver_probe_device+0x44/0x120 [ 3788.514155] __device_attach_driver+0xc4/0x168 [ 3788.514158] bus_for_each_drv+0x8c/0xf0 [ 3788.514161] __device_attach+0xa4/0x1c0 [ 3788.514164] device_initial_probe+0x1c/0x30 [ 3788.514168] bus_probe_device+0xb4/0xc0 [ 3788.514170] device_add+0x614/0x828 [ 3788.514173] register_virtio_device+0x214/0x258 [ 3788.514175] virtio_vdpa_probe+0xa0/0x110 [virtio_vdpa] [ 3788.514179] vdpa_dev_probe+0xa8/0xd8 [ 3788.514183] really_probe+0xc8/0x3a0 [ 3788.514186] __driver_probe_device+0x84/0x170 [ 3788.514189] driver_probe_device+0x44/0x120 [ 3788.514192] __device_attach_driver+0xc4/0x168 [ 3788.514195] bus_for_each_drv+0x8c/0xf0 [ 3788.514197] __device_attach+0xa4/0x1c0 [ 3788.514200] device_initial_probe+0x1c/0x30 [ 3788.514203] bus_probe_device+0xb4/0xc0 [ 3788.514206] device_add+0x614/0x828 [ 3788.514209] _vdpa_register_device+0x58/0x88 [ 3788.514211] octep_vdpa_dev_add+0x104/0x228 [octep_vdpa] [ 3788.514215] vdpa_nl_cmd_dev_add_set_doit+0x2d0/0x3c0 [ 3788.514218] genl_family_rcv_msg_doit+0xe4/0x158 [ 3788.514222] genl_rcv_msg+0x218/0x298 [ 3788.514225] netlink_rcv_skb+0x64/0x138 [ 3788.514229] genl_rcv+0x40/0x60 [ 3788.514233] netlink_unicast+0x32c/0x3b0 [ 3788.514237] netlink_sendmsg+0x170/0x3b8 [ 3788.514241] __sys_sendto+0x12c/0x1c0 [ 3788.514246] __arm64_sys_sendto+0x30/0x48 [ 3788.514249] invoke_syscall.constprop.0+0x58/0xf8 [ 3788.514255] do_el0_svc+0x48/0xd0 [ 3788.514259] el0_svc+0x48/0x210 [ 3788.514264] el0t_64_sync_handler+0xa0/0xe8 [ 3788.514268] el0t_64_sync+0x198/0x1a0 [ 3788.514271] ---[ end trace 0000000000000000 ]--- Fix by using virtio_device->device consistently for allocation and deallocation

Risk Scores
Base Score
0.0

Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.

Threat Intelligence
0.0

No exploitation activity has been observed at this time. Continue routine monitoring.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2026-23046
    Upstream
  • EUVD-2026-5501
    Upstream
Scan your project

Continuously monitor your dependencies and get alerted when vulnerabilities like this one affect your stack.

Checkout DevGuard