CVE-2026-74638

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Serialize the scheduler timeout handlers V3D exposes several independent hardware queues BIN, RENDER, TFU and CSD but has only a single, global reset. A timeout on any one queue therefore has to stop, reset and restart t...

UBUNTU-CVE-2026-74708

In the Linux kernel, the following vulnerability has been resolved: xsk: validate launch-time metadata size Launch-time metadata extends beyond the first 16 bytes of struct xsktxmetadata. Reject the request when the registered metadata area does not contain the complete field. Snapshot the...

UBUNTU-CVE-2026-74686

In the Linux kernel, the following vulnerability has been resolved: rqspinlock: Reset tail when preserving queue on deadlock Currently, the destruction of the waiter queue is suppressed for rqspinlock in cases where a deadlock is detected. Deadlock checks happen relatively frequently on entry for...

UBUNTU-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...

UBUNTU-CVE-2026-74627

In the Linux kernel, the following vulnerability has been resolved: net: devmem: prevent net-iov / page mixing We should either have netiov or page backed frags in a single skb, otherwise it blows up down the stack. Don't allow mixing in zerocopyfillskbfromdevmem...

UBUNTU-CVE-2026-74655

In the Linux kernel, the following vulnerability has been resolved: serial: qcom-geni: fix TX DMA buffer flush When transmit flushing a qcom-geni UART during an ongoing TX DMA, the UART gets stuck infinitely repeating corrupted TX DMA frames. The DMA-mode uartops does not provide a flushbuffer...

UBUNTU-CVE-2026-74729

In the Linux kernel, the following vulnerability has been resolved: soc: aspeed: lpc-snoop: Fix usercopy overflow in snoopfileread putfifowithdiscard acts as both producer and consumer on the kfifo: it calls kfifoskip advances out and kfifoput advances in from the IRQ handler without synchronizin...

UBUNTU-CVE-2026-74723

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject inline extents without valid headers BUG For a crafted btrfs image, the following KASAN can be triggered when reading an inline lzo compressed file extent: BUG: KASAN: slab-out-of-bounds in...

UBUNTU-CVE-2026-74716

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix locally exploitable BUGON in amdxdnainsertpages In amdxdnainsertpages, vmflagsmod sets VMMIXEDMAP and clears VMPFNMAP. If an unprivileged userspace process mmaps a non-imported GEM object and then calls...

UBUNTU-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-2026-74717

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: fwtracer, return NULL on create error Tracer creation can fail by returning either NULL or ERRPTR. The return value is stored without a check on the device, and users treat ERRPTR and NULL the same way. This also causes...

CVE-2026-74649

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix missing shared-key auth challenge length check The WEP shared-key authentication handler uses the challenge-text element's attacker-controlled length without checking it against the fixed 128-byte chgtxt...

UBUNTU-CVE-2026-74684

In the Linux kernel, the following vulnerability has been resolved: net: tap: set skb-dev before parsing virtio net header in tapgetuserxdp The commit 4f61f133f354 "net: tap: NULL pointer derefence in devparseheaderprotocol when skb-dev is null" fixed a crash in tapgetuser by assigning skb-dev...

UBUNTU-CVE-2026-74675

In the Linux kernel, the following vulnerability has been resolved: vt: stabilize tty reference in kbdkeycode with ttyportttyget kbdkeycode reads vc-port.tty without acquiring a tty reference, racing against conshutdown which clears port.tty under a different lock. Use ttyportttyget/ttykrefput to...

CVE-2026-74657

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix fibnlmsgsize for RTAVIA nexthops fibnlmsgsize still estimates nexthop space as if every gateway is encoded as an IPv4 RTAGATEWAY attribute. IPv4 routes can also carry an IPv6 gateway, which fibnexthopinfo dumps as RTAVI...

UBUNTU-CVE-2026-74705

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation skbudptunnelsegment gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb-head, the saved UDP header pointer is no longer...

UBUNTU-CVE-2026-74702

In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: reject feature changes after endpoint vhostscsisetupvqcmds runs from VHOSTSCSISETENDPOINT and allocates each command's protection scatterlist array protsgl according to the acknowledged VIRTIOSCSIFT10PI bit. The comma...

UBUNTU-CVE-2026-74673

In the Linux kernel, the following vulnerability has been resolved: Input: evdev - fix information leak in evdevpassvalues In evdevpassvalues, the inputevent structure is allocated on the kernel stack and populated field-by-field. However, it is never fully initialized. On architectures where...

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-2026-74710

In the Linux kernel, the following vulnerability has been resolved: xsk: require at least 16 bytes of TX metadata AFXDP accepts a TX metadata length as small as eight bytes, but every supported request needs the flags plus at least one eight-byte request field. Such short metadata also lets the...