CVE-2026-74746 netfilter: flowtable: publish GC-visible tuple last

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

CVE-2026-74744 ipvlan: inherit needed_headroom and needed_tailroom from phy_dev

In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit neededheadroom and neededtailroom from phydev ipvlan devices inherit hardheaderlen from phydev during ipvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying phydev or stacked lower...

CVE-2026-74743

CVE-2026-74743 affects the Linux kernel's macvlan network driver. Macvlan devices inherit hard_header_len from the underlying device during initialization but leave needed_headroom and needed_tailroom set to zero. When the lower device requires extra headroom or tailroom (e.g., macsec , ipsec , w...

CVE-2026-74743 macvlan: inherit needed_headroom and needed_tailroom from lowerdev

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying lowerdev requires...

CVE-2026-74743

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying lowerdev requires...

CVE-2026-74743 macvlan: inherit needed_headroom and needed_tailroom from lowerdev

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying lowerdev requires...

CVE-2026-74744 ipvlan: inherit needed_headroom and needed_tailroom from phy_dev

In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit neededheadroom and neededtailroom from phydev ipvlan devices inherit hardheaderlen from phydev during ipvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying phydev or stacked lower...

CVE-2026-74744

CVE-2026-74744 affects the Linux kernel ipvlan subsystem. During ipvlan_init(), ipvlan devices inherit hard_header_len from the physical device but leave needed_headroom and needed_tailroom set to zero. When the underlying device requires extra space for headers or trailers (e.g., macsec, ipsec, ...

CVE-2026-74744

In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit neededheadroom and neededtailroom from phydev ipvlan devices inherit hardheaderlen from phydev during ipvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying phydev or stacked lower...

CVE-2026-74742

Linux kernel veth has a bug where veth_poll() derives the peer TX queue index from rq->xdp_rxq.queue_index, a field only populated when an XDP program is attached. On the plain GRO/NAPI path the value stays 0 for every queue. In a multi-queue setup with GRO enabled and no XDP, all NAPI pollers...

CVE-2026-74742 veth: fix queue index used to wake the peer txq in veth_poll

In the Linux kernel, the following vulnerability has been resolved: veth: fix queue index used to wake the peer txq in vethpoll vethpoll derives the index of the peer TX queue to wake from rq-xdprxq.queueindex. That field is only initialized by xdprxqinforeg in vethenablexdprange, which runs only...

CVE-2026-74742

In the Linux kernel, the following vulnerability has been resolved: veth: fix queue index used to wake the peer txq in vethpoll vethpoll derives the index of the peer TX queue to wake from rq-xdprxq.queueindex. That field is only initialized by xdprxqinforeg in vethenablexdprange, which runs only...

CVE-2026-74740

CVE-2026-74740 is a TOCTOU (time-of-check-time-of-use) NULL pointer dereference in the Linux kernel's net/sched: act_api subsystem. When handling TC_ACT_GOTO_CHAIN, tcf_action_exec() performs an initial rcu_access_pointer(a->goto_chain) check, then calls tcf_action_goto_chain_exec() which perf...

CVE-2026-74741

CVE-2026-74741 is a NULL pointer dereference in the Linux kernel's ngbe network driver, occurring in the non-MSI-X interrupt enabling path. When the driver operates in legacy INTx or single MSI mode, the wx->msix_entry pointer is not allocated or initialized, so calling NGBE_INTR_MISC(wx) dere...

CVE-2026-74740 net/sched: act_api: fix TOCTOU NULL deref on a->goto_chain

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: fix TOCTOU NULL deref on a-gotochain tcfactionexec handles TCACTGOTOCHAIN by first checking rcuaccesspointera-gotochain and then calling tcfactiongotochainexec, which does a second, independent...

CVE-2026-74741 net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling

In the Linux kernel, the following vulnerability has been resolved: net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling In non-MSI-X mode such as legacy INTx or single MSI, wx-msixentry is not allocated or initialized. Calling NGBEINTRMISCwx dereferences wx-msixentry-entry,...

CVE-2026-74741

In the Linux kernel, the following vulnerability has been resolved: net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling In non-MSI-X mode such as legacy INTx or single MSI, wx-msixentry is not allocated or initialized. Calling NGBEINTRMISCwx dereferences wx-msixentry-entry,...

CVE-2026-74740

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: fix TOCTOU NULL deref on a-gotochain tcfactionexec handles TCACTGOTOCHAIN by first checking rcuaccesspointera-gotochain and then calling tcfactiongotochainexec, which does a second, independent...

CVE-2026-74741 net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling

In the Linux kernel, the following vulnerability has been resolved: net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling In non-MSI-X mode such as legacy INTx or single MSI, wx-msixentry is not allocated or initialized. Calling NGBEINTRMISCwx dereferences wx-msixentry-entry,...

CVE-2026-74739

CVE-2026-74739 is a slab-out-of-bounds read in the Linux kernel's net/sched cls_u32 traffic classification module. The root cause is in u32_bind_class(), which unconditionally casts a handle to tc_u_knode and dereferences &n->res; when the handle is actually a tc_u_hnode (hash table node with ...