CVE-2026-74738

In the Linux kernel, the following vulnerability has been resolved: regmap: sdw-mbq: don't call an unset readablereg callback regmapsdwmbqpollbusy decides whether to poll the Function Busy bit by calling ctx-readablereg, which is a straight copy of config-readablereg. That callback is optional:...

UBUNTU-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...

UBUNTU-CVE-2026-74751

In the Linux kernel, the following vulnerability has been resolved: riscv: lib: Fix ZBB strnlen reading past count boundary The ZBB-optimized strnlen loop loads one word ahead before checking the aligned boundary: REGL t1, SZREGt0 // load next word addi t0, t0, SZREG // advance orc.b t1, t1 bgeu...

UBUNTU-CVE-2026-74753

In the Linux kernel, the following vulnerability has been resolved: perf: Reject exited events as group leaders perfeventremoveonexec sets remove-on-exec events to the EXIT state and detaches their group relationships. The event's file descriptor can remain open, however, and perfeventopen...

UBUNTU-CVE-2026-74754

In the Linux kernel, the following vulnerability has been resolved: scsi: core: pair EH runtime PM get and put shost-ehnoresume is currently consulted twice in one error handling iteration: once before scsiautopmgethost and once again before scsiautopmputhost. That is racy when a PM-triggered err...

UBUNTU-CVE-2026-74745

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: avoid deadlock when canceling IRQ affinity notifier Unregistering IRQ affinity notifiers waits for the callback synchronously. bnxt takes the netdev instance lock in the notifier to restart the queue and cancels the wo...

CVE-2026-74750

In the Linux kernel, the following vulnerability has been resolved: ovpn: defer key slot crypto freeing to workqueue Key slots are released through a kref and the existing release path frees the AEAD transforms from an RCU callback. That is not safe for all crypto implementations: cryptofreeaead...

CVE-2026-74739

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: skip hash tables in u32bindclass u32walk enumerates both struct tcuhnode and struct tcuknode through the walker callback. u32bindclass unconditionally casts the passed fh to tcuknode and accesses &n-res, so whe...

CVE-2026-74747

In the Linux kernel, the following vulnerability has been resolved: ipvs: revalidate ihl to prevent out-of-bounds access While the outer IP header is already pulled into the skb head, we must be careful and revalidate the embedded headers after reading them from the skb frags to prevent...

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-2026-74748

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix refcount race between list:set GC and swap ipsetputbyindex resolved the index to a set pointer under RCU, then took ipsetreflock in ipsetput to decrement set-ref. ipsetswap holds that same lock while swappin...

CVE-2026-74751

In the Linux kernel, the following vulnerability has been resolved: riscv: lib: Fix ZBB strnlen reading past count boundary The ZBB-optimized strnlen loop loads one word ahead before checking the aligned boundary: REGL t1, SZREGt0 // load next word addi t0, t0, SZREG // advance orc.b t1, t1 bgeu...

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-2026-74736

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsbpf: reject dev-bound programs bound to a different device clsbpfprogfromefd obtained a SCHEDCLS program via bpfproggettypedev but never verified that a device-bound offloaded program's bound netdev matches the TC...

UBUNTU-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...

UBUNTU-CVE-2026-74736

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsbpf: reject dev-bound programs bound to a different device clsbpfprogfromefd obtained a SCHEDCLS program via bpfproggettypedev but never verified that a device-bound offloaded program's bound netdev matches the TC...

UBUNTU-CVE-2026-74749

In the Linux kernel, the following vulnerability has been resolved: rseq: Prevent hard lockup on granted time slice extension exittousermodeloop invokes rseqgranttimesliceextension with interrupts enabled. If the extension is granted it invokes hrtimerrearmdeferredtif to ensure that a pending...

UBUNTU-CVE-2026-74739

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: skip hash tables in u32bindclass u32walk enumerates both struct tcuhnode and struct tcuknode through the walker callback. u32bindclass unconditionally casts the passed fh to tcuknode and accesses &n-res, so whe...

UBUNTU-CVE-2026-74752

In the Linux kernel, the following vulnerability has been resolved: sctp: validate cookie AUTH state before use When cookie authentication is disabled, COOKIEECHO restores fixed-size AUTH fields directly from peer-controlled cookie bytes. A forged RANDOM length, HMAC list, or CHUNKS list can then...

UBUNTU-CVE-2026-74746

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...