UBUNTU-CVE-2026-72333

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix tx ident leak for commands without a response Commit 6c3ea155e5ee "Bluetooth: L2CAP: Fix not tracking outstanding TX ident" changed ident allocation to use an IDA, releasing idents in l2capputident when the...

UBUNTU-CVE-2026-74386

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix page fragment cache leak in error path In nvmettcpallocqueue, when a connection is closed during the allocation process e.g., nvmettcpsetqueuesock returns -ENOTCONN, the error handling jumps to outdestroysq and the...

UBUNTU-CVE-2026-72330

In the Linux kernel, the following vulnerability has been resolved: net/tls: Consume empty data records in tlsswreadsock A peer may send a zero-length TLS applicationdata record; TLS 1.3 explicitly permits these as a traffic-analysis countermeasure RFC 8446, Section 5.1. After decryption such a...

UBUNTU-CVE-2026-72444

In the Linux kernel, the following vulnerability has been resolved: flowdissector: check device type before reading ETHADDRS skbflowdissect unconditionally reads 12 bytes from ethhdrskb when FLOWDISSECTORKEYETHADDRS is requested. This assumes the skb has a valid Ethernet header at macheader, whic...

UBUNTU-CVE-2026-72464

In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Repost Receive buffers for malformed replies rpcrdmawcreceive decrements the transport's Receive count for every completion before it dispatches a successful Receive to rpcrdmareplyhandler. The handler must post a...

UBUNTU-CVE-2026-72398

In the Linux kernel, the following vulnerability has been resolved: sctp: add INIT verification after cookie unpacking In SCTP handshake, the INIT chunk is initially processed by the server and embedded into the cookie carried in INIT-ACK. The client then returns this cookie via COOKIE-ECHO, wher...

UBUNTU-CVE-2026-72347

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtconnmark: reject invalid shift parameters Revision 2 of the CONNMARK target accepts user-controlled shift parameters and applies them to 32-bit mark values in connmarktgshift. A shiftbits value of 32 or more triggers...

CVE-2026-72327

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Reject invalid indirect BO handle in indirect CSD setup v3dgetcpuindirectcsdparams looks up the indirect buffer object from a userspace-supplied handle but never checks the result. A bogus or stale handle makes...

CVE-2026-74382

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsbpf: prevent unbounded recursion in offload rollback Quan Sun reported 1 a stack overflow in clsbpfoffloadcmd. Reproducer on netdevsim: add a skipsw clsbpf filter, set the bpftcaccept debugfs knob to 0, then tc filt...

CVE-2026-72392

In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6: fix NULL deref in fib6walkcontinue on multi-batch dump inet6dumpfib saves its progress in cb-args1 as a positional index within the current hash chain. Between batches, a concurrent fib6newtable can insert a new table...

UBUNTU-CVE-2026-74321

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid pointer dereference in btrfsrundelayedrefs In the beginning of the loop, we try to obtain a locked delayed ref head, if 'lockedref' is currently NULL, by calling btrfsselectrefhead, which can return an error...

UBUNTU-CVE-2026-74267

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcodel: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever codel drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog before i...

UBUNTU-CVE-2026-74358

In the Linux kernel, the following vulnerability has been resolved: ext4: fix fast commit wait/wake bit mapping on 64-bit On 64-bit, ext4 dynamic inode states live in the upper half of iflags, and ext4testinodestate applies the corresponding +32 offset. The fast-commit wait and wake paths...

CVE-2026-72373

In the Linux kernel, the following vulnerability has been resolved: afs: Fix missing NULL pointer check in afsbreaksomecallbacks Fix afsbreaksomecallbacks to check to see if afslookupvolumercu returned NULL e.g. the specified volume is unknown...

CVE-2026-74263

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skbclone in control TX t7xxportctrltx clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned-len, so an skbclone failure results in a NULL pointer...

UBUNTU-CVE-2026-74295

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: hdachdmi: Validate written enum value hdachdmisetpinportmux uses the written enum value to index the texts array before calling sndsocdapmputenumdouble, which validates that the value is within the enum item range. ...

UBUNTU-CVE-2026-72326

In the Linux kernel, the following vulnerability has been resolved: net/sched: cake: reject overhead values that underflow length CAKE accepts signed overhead values and stores them in an s16, but the adjusted packet length calculation uses unsigned arithmetic. A negative effective length can...

UBUNTU-CVE-2026-74312

In the Linux kernel, the following vulnerability has been resolved: vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but they do not validate that the index is smaller than v-nvqs. The ioctl...

UBUNTU-CVE-2026-74385

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check return value of nvmettcpsetqueuesock The return value of nvmettcpsetqueuesock is currently ignored in nvmettcptlshandshakedone. If it fails e.g., due to the socket not being in TCPESTABLISHED state, the socket...

UBUNTU-CVE-2026-74426

In the Linux kernel, the following vulnerability has been resolved: afs: fix NULL pointer dereference in afsgettree afsallocsbi uses kzalloc for memory allocation. And, if ctx-dynroot is not null, as-cell and as-volume are null. In traceafsgettree they are dereferenced. KASAN error message: KASAN...