UBUNTU-CVE-2026-74502

In the Linux kernel, the following vulnerability has been resolved: ALSA: ump: fix double free of outcvts on rawmidi error sndumpattachlegacyrawmidi allocates the legacy conversion array ump-outcvts and, on the sndrawmidinew error path, frees it with kfree but leaves ump-outcvts pointing at the...

UBUNTU-CVE-2026-74519

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: don't free uninitialized devname on error path dtrememberorfreemap duplicates devname for each map entry. If kstrdupconst fails, dtfreemap frees devname in all nummaps entries, including entries that have not...

UBUNTU-CVE-2026-74491

In the Linux kernel, the following vulnerability has been resolved: of/address: Fix NULL bus dereference in ofpcirangeparserone The bus matching rework made ofmatchbus return NULL for nodes with ranges/dma-ranges but no local address-cells. parserinit stored that NULL bus, and the range iterator...

UBUNTU-CVE-2026-74540

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix UAF in l2capleconnectrsp l2capleconnectrsp obtains a channel via l2capgetchanbyident but neither holds a reference nor uses l2capchanholdunlesszero before locking and operating on it. A concurrent l2capchand...

UBUNTU-CVE-2026-74503

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: Clear SNDRVTIMERIFLGDEAD once the close completes sndtimercloselocked marks an instance with SNDRVTIMERIFLGDEAD and returns early when the flag is already set, but the flag is never cleared again. A completed close...

UBUNTU-CVE-2026-74482

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: unlock immaprwsem before releasing after-split folios foliosplit keeps dereferencing the mapping after the split: shmemunchargemapping-host and remappage while the folios are still frozen/locked, and...

UBUNTU-CVE-2026-74488

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: use the subframe length when parsing A-MSDU TDLS frames mwifiex11ndispatchamsdupkt splits an A-MSDU with ieee80211amsduto8023s and walks the resulting subframes. For each subframe it passes the subframe data pointe...

UBUNTU-CVE-2026-74544

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: validate offshift to prevent shift-out-of-bounds u32change copies the user-provided tcu32sel.offshift unsigned char, 0-255 into the kernel knode object without bounds validation. When a packet later hits...

UBUNTU-CVE-2026-74538

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in isoconnectind Accessing isopisk-conn requires locksock, which is not taken in the "ev3" part of isoconnectind. It may also be NULL if socket has transitioned away from the LISTEN/CONNECT states before...

UBUNTU-CVE-2026-74484

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: don't let an 'F' entry pin its own instance An entry registered with 'F' opens its interpreter at registration time and holds that file until the entry is freed. Any entry nobody removes by hand only gets closed once...

UBUNTU-CVE-2026-74454

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size vc4overflowmemwork points BPOA at a 512KB slot inside the 16MB binner BO, but writes the size of the whole BO to BPOS. On every binner out-of-memory event...

UBUNTU-CVE-2026-74469

In the Linux kernel, the following vulnerability has been resolved: sctp: prevent peer transport count overflow sctpassocaddpeer increments the association's 16-bit transportcount for every new unique peer. Adding the 65,536th transport wraps the count to zero. SCTP sockdiag uses transportcount t...

CVE-2026-74486

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: use exefiledenywriteaccess for the interpreter clone For MISCFMTOPENFILE entries loadmiscbinary clones the registered interpreter file and denies write access to the clone via plain denywriteaccess. The clone is...

CVE-2026-74489

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix tidtx use-after-free on BA session stop ieee80211stoptxbacb hands tidtx to kfreercu through ieee80211removetidtx, and then reads tidtx-ndp after dropping sta-lock: ieee80211removetidtxsta, tid; / kfreercutidtx...

CVE-2026-74524

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: Fix out-of-bounds page-table walk during memory hot-remove removepudmapping and removep4dmapping obtain a child table base with pudoffsetp4dp, 0 and p4doffsetpgd, 0, then add the index for addr. RISC-V folds page-table...

CVE-2026-74441

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix race condition and ordering in port unregistration A synchronization issue exists during port unregistration where pending partner work items can race against workqueue destruction, leading to use-after-free...

CVE-2026-74506

In the Linux kernel, the following vulnerability has been resolved: afs: Fix UAF when sending a message In afsmakecall, there's a race with async call reception and destruction. If a call is dispatched that doesn't have call-writeiter set used to specify the data content for FS.StoreData, then th...

CVE-2026-74536

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix leaking sk after socket release isosockkill tests !sockflagsk, SOCKZAPPED || sk-sksocket || sockflagsk, SOCKDEAD for early return, but this is always true since sockorphansk sets SOCKDEAD, so the sk reference...

CVE-2026-74542

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix folioqueue ENOMEM in writeback by adding a mempool Fix the handling of folioqueue allocation failure in writeback by adding a mempool and passing in gfpt flags to the rolling buffer functions that allocate memory, usin...

CVE-2026-74442

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: avoid destroyworkqueueNULL on vkms init failure Two paths through vmwvkmsinit can leave vmw-crcworkq NULL while still leaving the rest of the driver in a state that calls vmwvkmscleanup at module unload: 1...