UBUNTU-CVE-2026-93825

In the Linux kernel, the following vulnerability has been resolved: spi: Add NULL check for spigetdeviceid in spigetdevicematchdata Prevent NULL pointer dereference when spigetdeviceid returns NULL, which can happen when using driveroverride without matching SPI ID entry...

UBUNTU-CVE-2026-97416

In the Linux kernel, the following vulnerability has been resolved: btrfs: balance: fix potential bg lookup failure in btrfsmayallocdatachunk BUG Running btrfs balance can trigger a null-ptr-deref before relocating a data chunk when metadata corruption leaves a chunk in the chunk tree without a...

UBUNTU-CVE-2026-97510

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Release request if tbcfgrequest fails in tbxdomainresponse If tbcfgrequest fails setting up the request for example the control channel is shut down already it returns an error without calling the callback. To avoid...

UBUNTU-CVE-2026-97408

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: validate connectionless PSM length Connectionless L2CAP frames carry a two-byte PSM at the start of the payload. l2caprecvframe currently reads that PSM unconditionally after validating only the outer L2CAP...

UBUNTU-CVE-2026-97434

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: fix handling of NAPI on the remove path All the NAPI instances for a DPSW device are attached to the first switch port's netdevice but shared by all ports. The NAPI instances get disabled only once the last port goe...

UBUNTU-CVE-2026-93819

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek: Protect root bus removal with rescan lock Hold the pcirescanremovelock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may le...

UBUNTU-CVE-2026-97418

In the Linux kernel, the following vulnerability has been resolved: ALSA: es18xx: check control allocation before private data setup sndes18xxmixer creates controls with sndctlnew1 and then stores bookkeeping pointers or sets privatefree before calling sndctladd. sndctlnew1 can return NULL on...

UBUNTU-CVE-2026-97475

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/tegra/soctherma: Switch to devm cooling device registration Use devmthermalofcoolingdeviceregister to simplify resource management and avoid manual cleanup in error paths. As a side effect this change has the...

UBUNTU-CVE-2026-97444

In the Linux kernel, the following vulnerability has been resolved: ACPICA: add boundary checks in two places Add boundary checks in acpipsgetnextnamestring and acpipspeekopcode to prevent out-of-bounds access...

UBUNTU-CVE-2026-93820

In the Linux kernel, the following vulnerability has been resolved: PCI: rockchip: Protect root bus removal with rescan lock Hold the pcirescanremovelock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may le...

UBUNTU-CVE-2026-93805

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate rx/tx MLME callback frame lengths before access cfg80211rxmlmemgmt and cfg80211txmlmemgmt call tracepoints before rejecting frames shorter than the frame-control field. After that, they only require len =...

UBUNTU-CVE-2026-97411

In the Linux kernel, the following vulnerability has been resolved: net: ibm: emac: mal: fix potential system hang in malremove napidisable is not idempotent and calling it on an already-disabled or unenabled NAPI context will cause the kernel to spin indefinitely waiting for the NAPISTATESCHED b...

UBUNTU-CVE-2026-97445

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Enhance buffer validation in acpiutwalkamlresources Enhance buffer validation in acpiutwalkamlresources to prevent buffer overflows...

UBUNTU-CVE-2026-97488

In the Linux kernel, the following vulnerability has been resolved: qnx4: handle setblocksize failures qnx4 uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

UBUNTU-CVE-2026-97507

In the Linux kernel, the following vulnerability has been resolved: media: dm1105: fix missing error check for dmaalloccoherent The return value of dm1105dmamap, which handles DMA memory allocation, is ignored in dm1105hwinit. If dmaalloccoherent fails, the driver will proceed using a NULL pointe...

UBUNTU-CVE-2026-97502

In the Linux kernel, the following vulnerability has been resolved: mmc: davinci: avoid NULL deref of host-data in IRQ handler mmcdavinciirq returns early only when both host-cmd and host-data are NULL: if host-cmd == NULL && host-data == NULL ... return IRQNONE; So we may legitimately reach the...

UBUNTU-CVE-2026-97508

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Set tb-rootswitch to NULL when domain is stopped Similarly what we do with the firmware connection manager. This makes tbxdphandlerequest return error to the remote host. However, we need to make sure we keep the uui...

UBUNTU-CVE-2026-97437

In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix out-of-bounds read in ntfsdiremit and hdrfinde The bounds check in ntfsdiremit compares fname-namelen a character count against e-size a byte count without accounting for the 2-byte-per-character UTF-16LE encoding or t...

UBUNTU-CVE-2026-97482

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: gokuudc: avoid NULL deref of dev-driver in INTUSBRESET log gokuirq handles a number of bus events under a single ep0 path. It already guards the gadget driver suspend/resume callbacks against a NULL -driver: if...

UBUNTU-CVE-2026-97481

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: fix possible ISR soft lockup There are rare cases in which the host gets stuck in the ISR because it is flooded with messages during the startup phase. The reason for the soft lockup in the ISR is the missing FIFO...

UBUNTU-CVE-2026-97490

In the Linux kernel, the following vulnerability has been resolved: affs: handle setblocksize failures affs uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting we will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

UBUNTU-CVE-2026-93816

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate inline dentry name lengths before conversion Inline dentry conversion copies names out of the inline dentry area before checking that each recorded name length fits in the available filename slots. A corrupted imag...

UBUNTU-CVE-2026-97441

In the Linux kernel, the following vulnerability has been resolved: ata: ahci: fail probe if BAR too small for claimed ports When an AHCI controller is disabled in BIOS, its HOSTCAP register may contain a bogus value, e.g. 0xFFFFFFFF. Since CAP.NP Number of Ports is a zeroes based 5-bit register...

UBUNTU-CVE-2026-93795

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix leaks and online flag on radixtreeinsert failure When radixtreeinsert fails in blkgcreate, the error path has two issues: 1. blkg-online is set to true unconditionally, even when the blkg was never fully inserted...

UBUNTU-CVE-2026-93784

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate IEs in cfg80211wextsiwgenie The KASAN allocation trace shows that a malformed IE buffer is stored via SIOCSIWGENIE cfg80211wextsiwgenie without any validation. The crash trace shows that a subsequent...

UBUNTU-CVE-2026-93797

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix an off-by-1 boundary check Before looking at the 11th byte, check the length is big enough...

UBUNTU-CVE-2026-93798

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

UBUNTU-CVE-2026-93813

In the Linux kernel, the following vulnerability has been resolved: btrfs: tree-checker: validate INODEREF's namelen BUG A crafted btrfs image can trigger the following crash: BUG: unable to handle page fault for address: ffffd1dc42884000 PF: supervisor write access in kernel mode PF:...

UBUNTU-CVE-2026-93807

In the Linux kernel, the following vulnerability has been resolved: wifi: rsi: avoid reading TKIP MIC keys for non-TKIP ciphers rsihalloadkey copies txmickey and rxmickey from data16 and data24 whenever key data is present. Those offsets are only part of the 32-byte TKIP key layout. Shorter keys...

UBUNTU-CVE-2026-93808

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: caiaq: validate EP1 reply lengths usbep1commandreplydispatch uses buf0 as a command byte and then reads command-specific fixed items from the same URB buffer. Several paths use buf + 1, buf1, buf2, or buf + 3...

UBUNTU-CVE-2026-93811

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix acl.sdbuf memory leak and invalid sdsize error handling 1. When ndrdecodev4ntacl fails, the code jumped to freendata which only freed n.data, skipping kfreeacl.sdbuf and leaking the buffer. Zero-initialize struct...

UBUNTU-CVE-2026-93782

In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: flush backend after device ioctls vhost-scsi translates guest response descriptors into userspace iovecs when commands are submitted. Target-core completes those commands asynchronously, so VHOSTSETMEMTABLE can replac...

UBUNTU-CVE-2026-93800

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on reloc root after error in insertdirtysubvol If during relocation we fail in insertdirtysubvol because btrfsupdaterelocroot returned an error, we will leave a root's relocroot field pointing to a reloc...

UBUNTU-CVE-2026-93815

In the Linux kernel, the following vulnerability has been resolved: net: au1000: move freeirq out of the close-time spinlocked section au1000close calls freeirq while aup-lock is still held with spinlockirqsave. freeirq can sleep because it takes the IRQ descriptor request mutex, so it does not...

UBUNTU-CVE-2026-93789

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: bound aligned TLV advance in FW parser Validate ALIGNtlvlen, 4 against remaining parser length before consuming bytes from the firmware image. This avoids length underflow on malformed TLVs...

UBUNTU-CVE-2026-97413

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Fix integer underflow in processread and processwrite usrlen is read from a network-supplied message field le16tocpu and used to compute datalen = off - usrlen without validating that usrlen off causing an integer...

UBUNTU-CVE-2026-93785

In the Linux kernel, the following vulnerability has been resolved: cifs: validate idmap key payload length The cifs.idmap key type stores its payload length in key-datalen, which is limited to U16MAX. Accepting a larger key payload truncates the recorded length and can make later users interpret...

UBUNTU-CVE-2026-93287

In the Linux kernel, the following vulnerability has been resolved: i2c: smbus: reject oversized block transfers in the common path The SMBus block transfer length data-block0 is validated in i2csmbusxferemulated but that check runs too late for tracepoints and is skipped entirely when the adapte...

UBUNTU-CVE-2026-93783

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: validate skb length in rfcommrecvframe rfcommrecvframe casts skb-data to struct rfcommhdr and dereferences hdr-addr and hdr-ctrl without validating skb-len first. A truncated frame with skb-len less than the...

UBUNTU-CVE-2026-93286

In the Linux kernel, the following vulnerability has been resolved: net: appletalk: fix NULL pointer dereference in aarpsendddp aarpsendddp calls atalkfinddevaddrdev in the LocalTalk fast path without checking for NULL. When the device has no AppleTalk interface configured dev-atalkptr == NULL,...

UBUNTU-CVE-2026-93812

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix sdndr.data memory leak in ksmbdvfssetsdxattr ndrencodev4ntacl allocates sdndr.data via kzalloc at entry. If any subsequent ndrwrite call returns error during encoding, the allocated sdndr.data won't be freed and causes...

UBUNTU-CVE-2026-93288

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

UBUNTU-CVE-2026-93802

In the Linux kernel, the following vulnerability has been resolved: wifi: rsi: validate beacon length before fixed buffer copy rsipreparebeacon copies the mac80211 beacon frame after FRAMEDESCSZ into a management skb whose usable tailroom may be smaller than MAXMGMTPKTSIZE after alignment. Valida...

UBUNTU-CVE-2026-93803

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: fix key index receive bound checks libipwrx reads skb-datahdrlen + 3 to extract the WEP key index in both the software-decrypt key selection path and the hardware-decrypted IV/ICV strip path. In both places the...

UBUNTU-CVE-2026-97426

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm: fix SmartShift bias sysfs store PM refcount on parse error Return the parse error before acquiring PM access...

UBUNTU-CVE-2026-93285

In the Linux kernel, the following vulnerability has been resolved: f2fs: embed f2fsgckthread in f2fssbinfo Instead of allocating f2fsgckthread dynamically, embed it in f2fssbinfo. This simplifies lifetime management and prepares for fixing race conditions during teardown. - sbistore -...

UBUNTU-CVE-2026-93824

In the Linux kernel, the following vulnerability has been resolved: tls: reject the combination of TLS and sockmap TLS and sockmap BPF psock integration hides a lot of latent bugs. Bugs which may be more or less relevant for real users but they are definitely exploitable. We could not find anyone...

UBUNTU-CVE-2026-97503

In the Linux kernel, the following vulnerability has been resolved: genirq/proc: Size interrupt directory names for 10-digit interrupt numbers /proc/irq// directory names are built in char name10 buffers with sprintfname, "%u", irq. Ten-digit IRQ numbers already need 11 bytes including the traili...

UBUNTU-CVE-2026-97505

In the Linux kernel, the following vulnerability has been resolved: PCI/sysfs: Add CAPSYSADMIN check to resourceresizestore Currently, the resourceresizestore allows writing to the resourceNresize sysfs attribute to change a BAR's size without checking for capabilities, currently relying only on...

UBUNTU-CVE-2026-97511

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: avoid out-of-bounds access in monitor In NAN, we don't know on what band the frame will be sent. Therefore we set info-band to NUMNL80211BANDS. However, this leads to out-of-bound access in...