CVE-2026-72034

In the Linux kernel, the following vulnerability has been resolved: fhandle: reject detached mounts in capablewrtmount The recent fhandle RCU fix moved the mount namespace capability check into capablewrtmount, so a non-NULL mntnamespace survives the nscapable dereference. The helper still assume...

CVE-2026-72024

In the Linux kernel, the following vulnerability has been resolved: mac802154: remove interfaces with RCU list deletion Queue wake, stop, and disable paths walk local-interfaces under RCU. The bulk hardware teardown path removes entries with listdel, so an asynchronous transmit completion can...

CVE-2026-72012

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Call synchronizercu when unregistering This ensures that any RCU readers traversing the instance list have finished, before releasing the reference on the tracer that the instance points to...

EUVD-2026-59539

In the Linux kernel, the following vulnerability has been resolved: dm: limit target bio polling to one shot dmpollbio is the -pollbio callback for a stacked dm device. The caller only knows about the dm queue, so it may decide to do a spinning poll if it thinks a single queue is being polled...

CVE-2026-74392 dm: limit target bio polling to one shot

In the Linux kernel, the following vulnerability has been resolved: dm: limit target bio polling to one shot dmpollbio is the -pollbio callback for a stacked dm device. The caller only knows about the dm queue, so it may decide to do a spinning poll if it thinks a single queue is being polled...

CVE-2026-74363 bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs

In the Linux kernel, the following vulnerability has been resolved: bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs commit 4f375ade6aa9 "bpf: Avoid RCU context warning when unpinning htab with internal structs" moved inode cleanup from -freeinode into -destroyinode to avoid sleeping ...

EUVD-2026-59510

In the Linux kernel, the following vulnerability has been resolved: bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs commit 4f375ade6aa9 "bpf: Avoid RCU context warning when unpinning htab with internal structs" moved inode cleanup from -freeinode into -destroyinode to avoid sleeping ...

EUVD-2026-59485

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject sleepable BPFLSMCGROUP programs at load time The cgroup shim runs under rcureadlockdontmigrate, so we should not attach any sleepable BPF programs there. Add support to the verifier to explicitly reject attempts to lo...

CVE-2026-74325 wifi: mt76: use kfree_rcu for offchannel link in mt76_put_vif_phy_link

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: use kfreercu for offchannel link in mt76putvifphylink mt76putvifphylink frees the offchannel mlink with plain kfree after rcuassignpointerNULL. However, rcuassignpointer only prevents future RCU readers from obtaining...

EUVD-2026-59472

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: use kfreercu for offchannel link in mt76putvifphylink mt76putvifphylink frees the offchannel mlink with plain kfree after rcuassignpointerNULL. However, rcuassignpointer only prevents future RCU readers from obtaining...

EUVD-2026-59436

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call fibinfohold / refcountinc while dumping fibinfo under RCU, which is...

CVE-2026-74289 ipv4: fib: Don't dump dying fib_info in fib_leaf_notify().

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call fibinfohold / refcountinc while dumping fibinfo under RCU, which is...

CVE-2026-74288 net: fib_rules: Don't dump dying fib_rule in fib_rules_dump().

In the Linux kernel, the following vulnerability has been resolved: net: fibrules: Don't dump dying fibrule in fibrulesdump. rockerrouterfibevent calls fibruleget during RCU dump. If the fibrule is dying, refcountinc will complain about it. Let's call refcountincnotzero in fibrulesdump...

EUVD-2026-59435

In the Linux kernel, the following vulnerability has been resolved: net: fibrules: Don't dump dying fibrule in fibrulesdump. rockerrouterfibevent calls fibruleget during RCU dump. If the fibrule is dying, refcountinc will complain about it. Let's call refcountincnotzero in fibrulesdump...

CVE-2026-74255 tipc: fix UAF in tipc_l2_send_msg()

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

EUVD-2026-59402

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

CVE-2026-72463 xfrm: Fix dev use-after-free in xfrm async resumption

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix dev use-after-free in xfrm async resumption xfrm async resumption hold skb-dev refcnt until after transportfinish. However, xfrmrcvcb may modify skb-dev to tunnel dev without taking device reference, such as vtircvcb. T...

EUVD-2026-59346

In the Linux kernel, the following vulnerability has been resolved: sctp: hold socket lock when dumping endpoints in sctpdiag SCTPDIAG endpoint dumping was traversing endpoint address lists without holding locksock, while those lists could change concurrently via socket operations e.g., bindx...

CVE-2026-72436 netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Don't use testbit in lockless RCU readers in hash types Sashiko pointed out that there are a few lockless RCU readers using testbit which is a relaxed atomic operation and provides no memory barrier guarantees...

EUVD-2026-59335

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Don't use testbit in lockless RCU readers in hash types Sashiko pointed out that there are a few lockless RCU readers using testbit which is a relaxed atomic operation and provides no memory barrier guarantees...