UBUNTU-CVE-2026-74515

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled The MPCIFC instruction doesn't allow registering adapter interrupts without first unregistering. So reject any request to enable interrupt forwarding if its...

UBUNTU-CVE-2026-74494

In the Linux kernel, the following vulnerability has been resolved: ksmbd: reject repeated SMB2 NEGOTIATE requests Unauthenticated client can send multiple successful SMB2 NEGOTIATE requests on one connection before SESSIONSETUP. While the connection is in KSMBDSESSNEEDSETUP, smb2handlenegotiate...

UBUNTU-CVE-2026-74501

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix use-after-free in umptoendpoint createmidi2ump registers a card-owned sndumpendpoint and stores a back-pointer to its per-interface sndusbmidi2ump object in ump-privatedata, but it never installs an...

UBUNTU-CVE-2026-74487

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: restore write access when removing an entry Registering an entry with the MISCFMTOPENFILE flag opens the interpreter via openexec which denies write access to it for as long as the entry exists. Removing the entry...

UBUNTU-CVE-2026-74483

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: don't leak the user namespace when the mount fails bmgettree takes a reference to the user namespace and hands it to gettreekeyed as the sget key. sgetfc moves that reference into sb-sfsinfo and clears fc-sfsinfo, so...

CVE-2026-74480

In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports with pp = &p-next in its fast-leave path. After brmulticastdelpg removes p, continuing the loop advances pp through the deleted entr...

CVE-2026-74533

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix race of kfree vs krefgetunlesszero hciconn::isodata is accessed and modified without lock or RCU. This leads to a race Task hdev-workqueue Task 2 isorecv isoconnputconn conn = LOAD hcon-isodata isoconnfreeconn...

CVE-2026-74473

In the Linux kernel, the following vulnerability has been resolved: vxlan: use pskbnetworkmaypull in routeshortcircuit routeshortcircuit currently calls pskbmaypullskb, sizeofstruct iphdr or ipv6hdr, which checks if bytes are available starting from skb-data. However, in vxlanxmit, skb-data point...

CVE-2026-74515

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled The MPCIFC instruction doesn't allow registering adapter interrupts without first unregistering. So reject any request to enable interrupt forwarding if its...

CVE-2026-74508

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: reject frames without a transaction header hidprecvctrlframe and hidprecvintrframe read skb-data0 before checking that the L2CAP SDU contains a transaction header. A connected HIDP peer can send an empty basic-mo...

CVE-2026-74499

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix OOB write in sndusbmidiakaioutput sndusbmidiakaioutput computes its fill-loop bound bufend = ep-maxtransfer - MAXAKAISYSEXLEN - 1; as a signed int, so a small device-advertised bulk-OUT maxtransfer makes bufe...

CVE-2026-74507

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: validate numbered report payloads When hidpgetrawreport waits for a numbered report, hidpprocessdata compares the expected report number with skb-data0. A connected HIDP peer can reply with only a DATA transactio...

CVE-2026-74539

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in isosockgetname Accessing isopisk-conn requires locksock, which is not held here. Fix by adding the lock/release...

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...

CVE-2026-74446

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: hold eventmutex while checkpointing CRIU events kfdcriucheckpointevents counts the entries in p-eventidr via kfdgetnumevents, allocates an array sized to that count, and then walks the same IDR to fill it. Neither the...

CVE-2026-74483

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: don't leak the user namespace when the mount fails bmgettree takes a reference to the user namespace and hands it to gettreekeyed as the sget key. sgetfc moves that reference into sb-sfsinfo and clears fc-sfsinfo, so...

CVE-2026-74456

In the Linux kernel, the following vulnerability has been resolved: can: peakusb: peakusbstart: fix double free of transfer buffer on URB submit error In peakusbstart, each RX URB transfer buffer is allocated with kmalloc and the URB is flagged URBFREEBUFFER so that the final usbfreeurb also free...

CVE-2026-74534

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix refcounting of isoconn isoconndel and isochandel have a race that results to double-put of isoconn: Task hdev-workqueue Task 2 isoconndel isochandel isoconnholdunlesszero isoconnlock isoconnlock conn-sk = NULL...

CVE-2026-74545

In the Linux kernel, the following vulnerability has been resolved: rtase: fix double free of multi-frag skb on DMA map failure In rtasestartxmit, when the head buffer DMA mapping fails after rtasexmitfrags has mapped all fragments, the error path clears the fragment descriptors with...

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...