CVE-2026-81001

In the Linux kernel, the following vulnerability has been resolved: slip: fix use-after-free in slsync slipdevs stores bare netdevice pointers and takes no reference on them. slsync and slalloc walk that table from slipopen under rtnllock, while an entry is dropped by slfreenetdev, which slsetup...

CVE-2026-81001 slip: fix use-after-free in sl_sync()

In the Linux kernel, the following vulnerability has been resolved: slip: fix use-after-free in slsync slipdevs stores bare netdevice pointers and takes no reference on them. slsync and slalloc walk that table from slipopen under rtnllock, while an entry is dropped by slfreenetdev, which slsetup...

CVE-2026-23192: Use After Free

In the Linux kernel, the following vulnerability has been resolved: linkwatch: use devput in callers to prevent UAF After linkwatchdodev calls devput to release the linkwatch reference, the device refcount may drop to 1. At this point, netdevruntodo can proceed since linkwatchsyncdev sees an empt...

CVE-2023-53138 net: caif: Fix use-after-free in cfusbl_device_notify()

In the Linux kernel, the following vulnerability has been resolved: net: caif: Fix use-after-free in cfusbldevicenotify syzbot reported use-after-free in cfusbldevicenotify 1. This causes a stack trace like below: BUG: KASAN: use-after-free in cfusbldevicenotify+0x7c9/0x870 net/caif/caifusb.c:138...

CVE-2023-53138: Use After Free

In the Linux kernel, the following vulnerability has been resolved: net: caif: Fix use-after-free in cfusbldevicenotify syzbot reported use-after-free in cfusbldevicenotify 1. This causes a stack trace like below: BUG: KASAN: use-after-free in cfusbldevicenotify+0x7c9/0x870 net/caif/caifusb.c:138...

CVE-2024-56635: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: net: avoid potential UAF in defaultoperstate syzbot reported an UAF in defaultoperstate 1 Issue is a race between device and netns dismantles. After calling rtnlunlock from netdevruntodo, we can not assume the netns of each devic...

CVE-2024-50019

In CVE-2024-50019 the IBM bulletin documents a Linux kernel issue where kthread unparked-per-CPU threads could be woken up during stop. Root cause: calling kthread_unpark unconditionally before ensuring the thread is inactive can cause a wakeup on a per-CPU kthread that has been bound via kthread...

CVE-2021-47299 xdp, net: Fix use-after-free in bpf_xdp_link_release

In the Linux kernel, the following vulnerability has been resolved: xdp, net: Fix use-after-free in bpfxdplinkrelease The problem occurs between devgetbyindex and devxdpattachlink. At this point, devxdpuninstall is called. Then xdp link will not be detached automatically when dev is released. But...