{"id":"DEBIAN-CVE-2026-23046","details":"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-\u003edevice, but virtnet_set_queues() frees using net_device-\u003edevice. 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-\u003edevice consistently for allocation and deallocation","modified":"2026-08-27T22:49:01.792849563Z","published":"2026-02-04T16:16:20.110Z","upstream":["CVE-2026-23046"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-23046"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.18.8-1"}]}],"versions":["6.12.100-1","6.12.101-1","6.12.105-1","6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1","6.12.57-1~bpo12+1","6.12.63-1","6.12.63-1~bpo12+1","6.12.69-1","6.12.69-1~bpo12+1","6.12.73-1","6.12.73-1~bpo12+1","6.12.74-1","6.12.74-2","6.12.74-2~bpo12+1","6.12.85-1","6.12.85-1~bpo12+1","6.12.86-1","6.12.86-1~bpo12+1","6.12.88-1","6.12.88-1~bpo12+1","6.12.90-1","6.12.90-1~bpo12+1","6.12.90-2","6.12.90-2~bpo12+1","6.12.94-1","6.12.94-1~bpo12+1","6.12.95-1","6.12.95-1~bpo12+1","6.12.96-1","6.13.10-1~exp1","6.13.11-1~exp1","6.13.2-1~exp1","6.13.3-1~exp1","6.13.4-1~exp1","6.13.5-1~exp1","6.13.6-1~exp1","6.13.7-1~exp1","6.13.8-1~exp1","6.13.9-1~exp1","6.13~rc6-1~exp1","6.13~rc7-1~exp1","6.14.3-1~exp1","6.14.5-1~exp1","6.14.6-1~exp1","6.15-1~exp1","6.15.1-1~exp1","6.15.2-1~exp1","6.15.3-1~exp1","6.15.4-1~exp1","6.15.5-1~exp1","6.15.6-1~exp1","6.15~rc7-1~exp1","6.16-1~exp1","6.16.1-1~exp1","6.16.10-1","6.16.11-1","6.16.12-1","6.16.12-1~bpo13+1","6.16.12-2","6.16.3-1","6.16.3-1~bpo13+1","6.16.5-1","6.16.6-1","6.16.7-1","6.16.8-1","6.16.9-1","6.16~rc7-1~exp1","6.17.10-1","6.17.11-1","6.17.12-1","6.17.13-1","6.17.13-1~bpo13+1","6.17.2-1~exp1","6.17.5-1~exp1","6.17.6-1","6.17.7-1","6.17.7-2","6.17.8-1","6.17.8-1~bpo13+1","6.17.9-1","6.18.1-1~exp1","6.18.2-1~exp1","6.18.3-1","6.18.5-1","6.18.5-1~bpo13+1","6.18~rc4-1~exp1","6.18~rc4-1~exp2","6.18~rc5-1~exp1","6.18~rc6-1~exp1","6.18~rc7-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23046.json"}}],"schema_version":"1.9.0"}