UBUNTU-CVE-2026-64180

In the Linux kernel, the following vulnerability has been resolved: mm/memoryhotplug: fix memory block reference leak on remove Patch series "mm: Fix memory block leaks and locking", v2. This series fixes two memory block device reference leaks and one locking issue around the per-memoryblock...

UBUNTU-CVE-2026-63976

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: clear chan-ident on ECRED reconfiguration success l2capecredreconfrsp returns early on success without clearing chan-ident. Every other L2CAP response handler l2capecredconnrsp, l2capleconnectrsp, l2capconfigrsp...

UBUNTU-CVE-2026-64093

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: directly shut down timer on cleanup batadvtpsendercleanup was calling timerdeletesync followed by timerdelete to guard against the timer handler re-arming itself between the two calls. This double-deletion ha...

UBUNTU-CVE-2026-63910

In the Linux kernel, the following vulnerability has been resolved: dma-buf: fix UAF in dmabuffd tracepoint Once FDADD returns, the fd is live in the file descriptor table and a thread sharing that table can close it before DMABUFTRACE runs. The close drops the last reference, fput frees the...

CVE-2026-63803

In the Linux kernel, the following vulnerability has been resolved: h...

UBUNTU-CVE-2026-64145

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix dmabuffer leak on bus acquire failure wilcwlanfirmwaredownload allocates dmabuffer with kmalloc at the top of the function and uses a 'fail:' label to free it via kfreedmabuffer on error. All later error paths...

UBUNTU-CVE-2026-64091

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: fix TOCTOU race for reported vlans The local TT based TVLV is generated by first checking the number of VLANs which have at least one TT entry. A new buffer with the correct size for the VLANs is then allocated...

UBUNTU-CVE-2026-64058

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadfolio to wait on writeback Fix netfsreadfolio to wait for an ongoing writeback to complete so that it can trust the dirty flag and whatever is attached to folio-private folio-private may get cleaned up by the...

UBUNTU-CVE-2026-64018

In the Linux kernel, the following vulnerability has been resolved: net: mana: validate rxreqidx to prevent out-of-bounds array access In manahwcrxeventhandler, rxreqidx is derived from sge-address in DMA-coherent memory. In Confidential VMs SEV-SNP/TDX, this memory is shared unencrypted and HW c...

UBUNTU-CVE-2026-64139

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix SID memory leak in setposixaclentriesdacl on overflow Commit 299f962c0b02 "ksmbd: use checkaddoverflow to prevent u16 DACL size overflow" added checkaddoverflow guards that break out of the ACE-building loops in...

UBUNTU-CVE-2026-63999

In the Linux kernel, the following vulnerability has been resolved: ethtool: rss: fix indirtable and hkey leak on getrxfh failure rssprepareget allocates the indirection table and hash key buffer via rssgetdataalloc, then calls ops-getrxfh to populate them. If getrxfh fails, the function returns ...

UBUNTU-CVE-2026-64121

In the Linux kernel, the following vulnerability has been resolved: net: ifb: report ethtool stats over numtxqueues ifbdevinit allocates dp-txprivate to dev-numtxqueues entries via kzallocobjstxp, dev-numtxqueues. Both IFB per-queue RX and TX stats live in those entries: ifbxmit updates txp-rxsta...

UBUNTU-CVE-2026-64085

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/adm1266 bounce blackbox records through a protocol-sized buffer adm1266pmbusblockxfer copies the device-supplied block payload into the caller-provided buffer using the device-supplied length: memcpydatar, &msgs1.buf...

UBUNTU-CVE-2026-64152

In the Linux kernel, the following vulnerability has been resolved: iommu: Handle unmap error when iommudebug is enabled Sashiko noticed a latent bug where the map error flow called iommuunmap which calls iommudebugunmapbegin/iommudebugunmapend however since this is an error path the map flow nev...

UBUNTU-CVE-2026-63904

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: check URB actuallength for interrupt-IN notifications USBTMC devices can use an optional interrupt endpoint for notification messages. These typically contain two-byte headers indicating the payload format, but the...

UBUNTU-CVE-2026-64048

In the Linux kernel, the following vulnerability has been resolved: net/smc: reject CHID-0 ACCEPT that matches an empty ismdev slot On the SMC-D client, slot 0 of ini-ismdev/ini-ismchid is reserved for an SMC-Dv1 device. smcfindismv2deviceclnt populates V2 entries starting at index 1, so when no ...

UBUNTU-CVE-2026-64096

In the Linux kernel, the following vulnerability has been resolved: batman-adv: mcast: fix use-after-free in orignode RCU release batadvmcastpurgeorig removes entries from RCU-protected hlists but does not wait for an RCU grace period before returning. Concurrent RCU readers may still accesses...

UBUNTU-CVE-2026-63876

In the Linux kernel, the following vulnerability has been resolved: serial: zs: Convert to use a platform device Prevent a crash from happening as the first serial port is initialised: Console: switching to mono frame buffer device 160x64 fb0: PMAG-AA frame buffer device at tc0 DECstation Z85C30...

UBUNTU-CVE-2026-63986

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

UBUNTU-CVE-2026-63950

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: initialize nrpages to 1 at loop start in trytounmapone Initialize nrpages to 1 at the start of each loop iteration, like folioreferencedone does. Without this, nrpages computed by a previous foliounmapptebatch call can b...