UBUNTU-CVE-2026-74617

In the Linux kernel, the following vulnerability has been resolved: dibs: initialise dibs-lock in dibsdevalloc dibs-lock is initialised by dibsdevadd, but a dibs device can already take interrupts before that call: ismprobe runs ismdevinit, and hence requestirq, before it calls dibsdevadd. No...

UBUNTU-CVE-2026-74645

In the Linux kernel, the following vulnerability has been resolved: mm/damon/lrusort: error out for 10000 activemembp damosquotascore can trigger division by zero if the target value is zero. DAMONLRUSORT lets users set the target value for the hot memory scheme via activemembp parameter. It avoi...

UBUNTU-CVE-2026-74610

In the Linux kernel, the following vulnerability has been resolved: tls: don't leave a full plaintext skmsg ring unpushed When the copy path in tlsswsendmsglocked adds the fragment that fills the plaintext skmsg ring, it does not set fullrecord, so the record is left full and unpushed. A later...

UBUNTU-CVE-2026-74613

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: avoid refilling the RX queue after teardown Commit b917507e5ad9 "vsock/virtio: stop workers during the .remove" made the RX worker jump to its common exit when rxrun is clear. That exit still refills the RX queue wh...

UBUNTU-CVE-2026-74634

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Prevent subbuf order change when resizing is disabled Because ringbuffersubbuforderset frees buffer pages, we can't allow it when resizing is disabled. A non-consuming reader is at risk of use-after-free rbadvanceite...

CVE-2026-74662

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

CVE-2026-74691

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...

CVE-2026-74666

In the Linux kernel, the following vulnerability has been resolved: packet: synchronize pressure clearing with ring reconfiguration packetsetring updates the RX ring state under skreceivequeue.lock, but used to publish the tpacket receive mode through po-prothook.func after releasing that lock...

CVE-2026-74714

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

CVE-2026-74606

In the Linux kernel, the following vulnerability has been resolved: eventfs: Fix use-after-free in eventfsremoverec eventfsremoverec recursively removes the child at the current loop position. After the recursive call returns, listforeachentry advances by reading list.next from the removed child...

CVE-2026-74725

In the Linux kernel, the following vulnerability has been resolved: enic: fix txhangreset use-after-free on device removal enicremove cancels the reset and changemtuwork items but does not cancel txhangreset. A TX timeout that fires while the device is being removed can schedule enictxhangreset s...

CVE-2026-74588

In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk-transport in step with the list it is queued on sctpoutqflushrtx moves a gap-acked chunk onto another transport's transmitted list without updating chunk-transport: if chunk-tsngapacked...

CVE-2026-74663

In the Linux kernel, the following vulnerability has been resolved: net/sched: reject overly deep qdisc hierarchies Deep qdisc hierarchies can lead to excessive recursion in qdisc tree walkers and exhaust the kernel stack. The existing loop check does not cover the create-and-graft path, so a...

CVE-2026-74724

In the Linux kernel, the following vulnerability has been resolved: ipvs: avoid out-of-bounds write in ipvsnaticmp Sashiko warns that local attacker can modify the packet while it is processed by IPVS. Some places read the IP ihl field multiple times which can cause out-of-bounds access. One such...

CVE-2026-74730

In the Linux kernel, the following vulnerability has been resolved: NFS: Pin the 'struct nfsserver' during a FREESTATEID call Dan Aloni reports that he was able to hit a use-after-free bug if a FREESTATEID operation gets delayed for whatever reason. Fix this by bumping the refcount of the 'struct...

CVE-2026-74637

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix group leader use-after-free after sibling detach perfgroupdetach handles leader and sibling detach differently. When the group leader is detached, all siblings are promoted to singleton events and their groupleader...

CVE-2026-74601

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Use currentcontext for safe per-CPU buffer swap The ringbufferswapcpu function currently checks the per-CPU committing counter to determine if a buffer is actively being written to before performing the swap. However...

CVE-2026-74597

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: clear skb2-cb in ip6ip6err ip6ip6err clones an outer IPv6 ICMP error skb, pulls it to the quoted inner IPv6 packet, and then passes the clone to icmpv6send. The clone still carries the outer packet's inet6skbparm in...

CVE-2026-74640

In the Linux kernel, the following vulnerability has been resolved: ALSA: FCP: fix OOB write in fcpmeterctlget fcpioctlsetmetermap bounds the user-supplied Level Meter map size by the driver's own limit of 255 if map.mapsize 255 || map.meterslots 255 return -EINVAL; and passes it to fcpaddnewctl ...

CVE-2026-74727

In the Linux kernel, the following vulnerability has been resolved: ovpn: skip rehash for peers already removed from byid ovpnnlpeersetdoit resolves the target peer via ovpnpeergetbyid before taking ovpn-lock. In the window between the lookup which only takes a refcount and the subsequent...