CVE-2025-22119 — linux / linux_kernel
Use of Uninitialized ResourceIn the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: init wiphy_work before allocating rfkill fails
syzbort reported a uninitialize wiphy_work_lock in cfg80211_dev_free. [1]
After rfkill allocation fails, the wiphy release process will be performed, which will cause cfg80211_dev_free to access the uninitialized wiphy_work related data.
Move the initialization of wiphy_work to before rfkill initialization to avoid this issue.
[1] INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 UID: 0 PID: 5935 Comm: syz-executor550 Not tainted 6.14.0-rc6-syzkaller-00103-g4003c9e78778 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 assign_lock_key kernel/locking/lockdep.c:983 [inline] register_lock_class+0xc39/0x1240 kernel/locking/lockdep.c:1297 __lock_acquire+0x135/0x3c40 kernel/locking/lockdep.c:5103 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 cfg80211_dev_free+0x30/0x3d0 net/wireless/core.c:1196 device_release+0xa1/0x240 drivers/base/core.c:2568 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1e4/0x5a0 lib/kobject.c:737 put_device+0x1f/0x30 drivers/base/core.c:3774 wiphy_free net/wireless/core.c:1224 [inline] wiphy_new_nm+0x1c1f/0x2160 net/wireless/core.c:562 ieee80211_alloc_hw_nm+0x1b7a/0x2260 net/mac80211/main.c:835 mac80211_hwsim_new_radio+0x1d6/0x54e0 drivers/net/wireless/virtual/mac80211_hwsim.c:5185 hwsim_new_radio_nl+0xb42/0x12b0 drivers/net/wireless/virtual/mac80211_hwsim.c:6242 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2533 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1882 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:733 [inline] ____sys_sendmsg+0xaaf/0xc90 net/socket.c:2573 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2627 __sys_sendmsg+0x16e/0x220 net/socket.c:2659 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
Close: https://syzkaller.appspot.com/bug?extid=aaf0488c83d1d5f4f029
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 6.1.132 | 6.1.142 |
| linux / linux_kernel | 6.6.84 | 6.6.95 |
| linux / linux_kernel | 6.12.20 | 6.12.35 |
| linux / linux_kernel | 6.13.8 | 6.14 |
| linux / linux_kernel | 6.14 | 6.14.x |
| linux / linux_kernel | 6.14-rc7 | 6.14-rc7.x |
| linux / linux_kernel | 6.14.1 | 6.14.1.x |
| debian / debian_linux | 11.0 | 11.0.x |
- https://git.kernel.org/stable/c/2617f60c3613ef105b8db2d514d2cac2a1836f7d
- https://git.kernel.org/stable/c/60606efbf52582c0ab93e99789fddced6b47297a
- https://git.kernel.org/stable/c/7e6040853f5b5f067a18c52286e676bc298fe6a2
- https://git.kernel.org/stable/c/b679fe84cd5cc6f3481b7131fd28676191ad2615
- https://git.kernel.org/stable/c/eeacfbab984200dcdcd68fcf4c6e91e2c6b38792
- https://git.kernel.org/stable/c/fc88dee89d7b63eeb17699393eb659aadf9d9b7c
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
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