UBUNTU-CVE-2026-72315

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

UBUNTU-CVE-2026-72433

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftmetabridge: fix NFTMETABRIIIFPVID stack leak This needs to test for nonzero retval...

UBUNTU-CVE-2026-72306

In the Linux kernel, the following vulnerability has been resolved: vduse: Fix race in vdusedevmsgsync and vdusedevreaditer There is one race case in vdusedevmsgsync and vdusedevreaditer: vdusedevreaditer: lockmsglock; dequeuemsgsendlist; unlockmsglock; vdusedevmsgsync: waittimeout finish...

UBUNTU-CVE-2026-74316

In the Linux kernel, the following vulnerability has been resolved: NFSD: Handle layout stid in nfsd4droprevokedstid nfsd4droprevokedstid has no SCTYPELAYOUT case, so when a client sends FREESTATEID for an admin-revoked layout stid, the default branch releases cllock and returns without unhashing...

CVE-2026-74387

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...

UBUNTU-CVE-2026-74282

In the Linux kernel, the following vulnerability has been resolved: tipc: prevent sntunacked underflow on CONNACK tipcskconnprotorcv subtracts the peer-supplied connection ack count from the unsigned 16-bit send counter sntunacked without checking that it does not exceed the number of messages...

UBUNTU-CVE-2026-74424

In the Linux kernel, the following vulnerability has been resolved: fbcon: fix NULL pointer dereference for a console without vcdata fbconnewmodelist runs when a framebuffer's modelist changes. For each console mapped to it with fbdisplayi.mode set, it reads vcconsi.d and passes the vcnum to...

UBUNTU-CVE-2026-74272

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Resolve region deletion races Sungwoo noticed that the sysfs trigger to delete a region may try to delete a region multiple times. It also has no exclusion relative to the kernel releasing the region via CXL root devi...

UBUNTU-CVE-2026-74319

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix deadlock waiting for ticket during data relocation When performing data relocation on a zoned filesystem, BTRFS can deadlock in handlereservetickets. The relocation process is waiting on a space reservation tick...

UBUNTU-CVE-2026-74428

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix double unlock in rxrpcrecvmsg Fix a double unlock in rxrpcrecvmsg when dealing with OOB messages...

UBUNTU-CVE-2026-72502

In the Linux kernel, the following vulnerability has been resolved: tcp: ipv6: clamp default adverting MSS to avoid GSOBYFRAGS 0xFFFF When MTU is large, ip6defaultadvmss can return IPV6MAXPLEN 65535. This is interpreted by TCP as mssclamp, allowing the MSS to reach 65535. However, 0xFFFF is also...

UBUNTU-CVE-2026-72378

In the Linux kernel, the following vulnerability has been resolved: afs: Fix error code in afsextractvladdrs The error codes on these paths are only set on the first iteration through the loop. Set the correct error code on every iteration...

UBUNTU-CVE-2026-72353

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid stale runlist element dereference in fallocate ntfsattrfallocate allocates holes and delayed allocations inside initialized size by looking up the current runlist element under ni-runlist.lock. The returned struct...

CVE-2026-72290

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix GISC refcount leak on AIF enable failure kvms390giscregister registers the guest ISC before pinning the guest interrupt forwarding pages and allocating the AISB bit. If any of the later setup steps fails, the...

UBUNTU-CVE-2026-72501

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Initialize dpi variable to zero dpi is initialized only for BNXTREALLOCWCPAGE, but copied for all the cases. So initialize the dpi to 0...

UBUNTU-CVE-2026-72296

In the Linux kernel, the following vulnerability has been resolved: net: ife: require ETHHLEN to be pullable in ifedecode ife decode may return after making only the outer IFE header and metadata pullable. The caller then passes the decapsulated packet to ethtypetrans, which expects the inner...

CVE-2026-72370

In the Linux kernel, the following vulnerability has been resolved: iomap: release pages on atomic dio size mismatch If bioiovitergetpages or the bounce helper succeeds but builds a short bio, the REQATOMIC size check rejects it before submission. The old error path only dropped the bio reference...

CVE-2026-72368

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double unlock in nomemdalloc error path When startcreating fails and returns -ENOMEM, it has already released the parent directory lock in startdirop: static struct dentry startdirop... ... inodelocknesteddir,...

CVE-2026-74417

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fix integer overflow in radeonalignpitch radeonalignpitch has the same kind of overflow issue as the old amdgpu helper: both the alignment round-up add and the final 'aligned cpp' calculation can overflow signed int. ...

CVE-2026-74352

In the Linux kernel, the following vulnerability has been resolved: of: reservedmem: avoid post-init UAF when allocreservedmemarray fails The global pointer 'reservedmem' continues to reference the reservedmemarray which lives in initdata if allocreservedmemarray fails. ofreservedmemlookup is...