CVE-2026-64077

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: move to two-stage removal scheme Like previous patches for xtables, follow same pattern in ebtables. We can't reuse xt helpers: ebttable struct layout is incompatible. table-ops assignment is now done while...

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...

CVE-2026-64101

In the Linux kernel, the following vulnerability has been resolved: fwctl: pds: Validate RPC input size before parsing The fwctl core allocates the device-specific RPC input buffer with fwctlrpc.inlen and passes that buffer to the driver callback. pdsfcfwrpc casts the buffer to struct fwctlrpcpds...

CVE-2026-64137

In the Linux kernel, the following vulnerability has been resolved: smb: client: require net admin for CIFS SWN netlink CIFSGENLCMDSWNNOTIFY is the userspace witness-notify command. The intended sender is the cifs.witness helper, but the generic-netlink operation currently has no capability flag,...

CVE-2026-64148

In the Linux kernel, the following vulnerability has been resolved: pdscore: fix error handling in pdscdevcmdwait Fix two cases where pdscdevcmdwait returns stale success from the completion register instead of an error: 1. FW crash: If firmware stops running, the wait loop breaks early with...

CVE-2026-64140

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in procshowfiles When a SMB2 client opens a file with a durable v2 handle and then issues SMB2 SESSIONLOGOFF, sessionfdcheck clears fp-tcon = NULL on the reconnectable file pointer but leaves t...

CVE-2026-64157

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix partial invalidation of streaming-write folio In netfsinvalidatefolio, if the region of a partial invalidation overlaps the front but not all of a dirty write cached in a streaming write page dirty, but not uptodate,...

UBUNTU-CVE-2026-64147

In the Linux kernel, the following vulnerability has been resolved: pdscore: fix debugfslookup dentry leak and error handling debugfslookup returns a dentry with an elevated reference count that must be released with dput. The current code discards the returned dentry without calling dput, causin...

UBUNTU-CVE-2026-64128

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: drop ISOEND frames received without prior ISOSTART ISO data PDUs carry a packet-boundary flag indicating START, CONT, END or SINGLE. The ISOCONT branch of isorecv guards against a missing ISOSTART by checking...

UBUNTU-CVE-2026-64109

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix UAF read of tail-len in unixstreamdatawait unixstreamdatawait does skbpeektail&sk-skreceivequeue without holding any lock that prevents SKBs on that queue from being dequeued and freed. This has been the case since...

UBUNTU-CVE-2026-64052

In the Linux kernel, the following vulnerability has been resolved: block: bio-integrity: Fix null-ptr-deref in biointegritymapuser pinuserpagesfast can partially succeed and return the number of pages that were actually pinned. However, the biointegritymapuser does not handle this partial pinnin...

UBUNTU-CVE-2026-53371

In the Linux kernel, the following vulnerability has been resolved: RDMA/ionic: bound nodedesc sysfs read with %.64s nodedesc64 in struct ibdevice is not guaranteed to be NUL- terminated. The core IB sysfs handler uses "%.64s" for exactly this reason drivers/infiniband/core/sysfs.c:1307, since...

UBUNTU-CVE-2026-64067

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing barriers when accessing stream-subrequests locklessly The list of subrequests attached to stream-subrequests is accessed without locks by netfscollectreadresults and netfscollectwriteresults, and then they acce...

UBUNTU-CVE-2026-63897

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data and leaking it to user space...

UBUNTU-CVE-2026-64079

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: allocate hook ops while under mutex arp/ip6tregistertable add the table to the per-netns list via xtregistertable before allocating the per-netns hook ops copy via kmemduparray. This leaves a window where the...

UBUNTU-CVE-2026-64133

In the Linux kernel, the following vulnerability has been resolved: ALSA: asihpi: Fix potential OOB array access at reading cache findcontrol to retrieve a cached info accesses the array with the given index blindly, which may lead to an OOB array access. Add a sanity check for avoiding it...

UBUNTU-CVE-2026-64115

In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: fix UAF when peer resets connection during handshake vmcitransportrecvconnectingserver returned err = 0 for a peer RST in its default switch arm: err = pkt-type == VMCITRANSPORTPACKETTYPERST ? 0 : -EINVAL; That made...

UBUNTU-CVE-2026-63939

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Compute the correct max length of the in-GHCB scratch area When setting the length of the GHCB scratch area, and the area is in the GHCB shared buffer, set the effective length of the scratch area to the max possible si...

UBUNTU-CVE-2026-64001

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix setup list UAF on proc write error sndpcmossprocwrite links a newly allocated setup entry into the OSS setup list before duplicating the task name. If the task-name allocation fails, the error path frees the...

UBUNTU-CVE-2026-64023

In the Linux kernel, the following vulnerability has been resolved: gpio: aggregator: fix a potential use-after-free On error we free aggr-lookups-devid before removing the entry from the lookup table. If a concurrent thread calls gpiodfind before we remove the entry, it could iterate over the li...