UBUNTU-CVE-2026-89526

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Validate Read chunk positions before reconstruction The RPC/RDMA Read chunk position field is supplied by the remote client and stored verbatim in the parsed chunk list. xdrcountreadsegments checks only 4-byte alignment;...

UBUNTU-CVE-2026-89610

In the Linux kernel, the following vulnerability has been resolved: ntfs: verify run length exceeding volume boundary The mapping pairs decoder validates that the starting LCN is within the volume but does not check if the run extends beyond the volume boundary. A malformed NTFS image with a...

UBUNTU-CVE-2026-89459

In the Linux kernel, the following vulnerability has been resolved: s390/percpu: Fix MVIYPERCPU with older binutils Commit a737737cdb9c "s390/percpu: Infrastructure for more efficient thiscpu operations" introduced MVIYPERCPU, which stringifies arguments that are already C string literals. This...

UBUNTU-CVE-2026-89688

In the Linux kernel, the following vulnerability has been resolved: nfsd: drop the stateid, not the stateowner, on seqidop replay retry In nfs4preprocessseqidop the stateid is obtained from nfsd4lookupstateid, which holds a reference on the nfs4stid sccount but takes no reference on the stateowne...

UBUNTU-CVE-2026-89529

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject oversized Read segments at decode time The RPC/RDMA Read list decoder stores wire-supplied segment lengths without validation. xdrcountreadsegments checks 4-byte alignment for non-zero position values but does not...

UBUNTU-CVE-2026-89706

In the Linux kernel, the following vulnerability has been resolved: nfsd: Reset write verifier when async COPY writeback fails Async COPY captures nn-writeverf at request time and reports it to the client via CBOFFLOAD after the worker kthread completes. When the post-copy vfsfsyncrange or...

UBUNTU-CVE-2026-89476

In the Linux kernel, the following vulnerability has been resolved: sctp: fix stream-outcnt underflow on duplicate RECONF responses A cached RECONF chunk may contain more than one request parameter. A duplicate response can therefore find and process the same ADDOUT request again while another...

UBUNTU-CVE-2026-89657

In the Linux kernel, the following vulnerability has been resolved: libceph: validate OSD extent maps before cursor advance net/ceph/osdclient.c:osdsparseread validates that the sparse-read data length matches the summed extent lengths, but it does not validate that each OSD-supplied extent is...

UBUNTU-CVE-2026-89514

In the Linux kernel, the following vulnerability has been resolved: scsi: fnic: Use GFPATOMIC for VLAN alloc under spinlock fnicfcoeprocessvlanresp allocates a VLAN descriptor with kzallocobj default GFPKERNEL while holding vlanslock via spinlockirqsave. GFPKERNEL may sleep, which is not allowed ...

UBUNTU-CVE-2026-80981

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix use-after-free of the LLC qentry in smcllcsrvaddlink smcllcsrvaddlink keeps addllc pointing into the queue entry: addllc = &qentry-msg.addlink; smcllc.c:1482 ... smcllcsaveaddlinkinfolinknew, addllc; smcllc.c:1494...

UBUNTU-CVE-2026-89616

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix info-leak on partial LZNT decompress in nireadframe nireadframe decompresses an LZNT $DATA frame into the vmapped target pages and then trusts decompresslznt's return value: uncsize = decompresslzntframeondisk,...

UBUNTU-CVE-2026-89557

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

UBUNTU-CVE-2026-80971

In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: clear the URB pointers on disconnect bcd2000freeusbrelatedresources frees both URBs and leaves the pointers behind: usbkillurbbcd2k-midiouturb; usbkillurbbcd2k-midiinurb; usbfreeurbbcd2k-midiouturb;...

UBUNTU-CVE-2026-89695

In the Linux kernel, the following vulnerability has been resolved: nfsd: cap decoded POSIX ACL count to bound sort cost nfsd4decodeposixacl reads a u32 entry count off the wire and passes it straight to posixaclalloc and sortpaclrange. The latter is an On^2 bubble sort, so a client-chosen count...

UBUNTU-CVE-2026-89594

In the Linux kernel, the following vulnerability has been resolved: hsi: omapssicore: fix missing DMA mask setup for SSI controller device The OMAP SSI driver uses a synthetic HSI controller device allocated via hsialloccontroller, which does not go through the normal OF/platform device...

UBUNTU-CVE-2026-89634

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix ALIGN overflow in symlinkdata error context loop The check added by commit 7d9a7f1f96cd "smb/client: fix possible infinite loop and oob read in symlinkdata" compared the post-ALIGN length against the remaining...

UBUNTU-CVE-2026-81018

In the Linux kernel, the following vulnerability has been resolved: platform/x86: think-lmi: Free system certificate signatures Multi-certificate support also allows the system authentication object to store -signature and -savesignature, which leak when the driver is removed. Free the signatures...

UBUNTU-CVE-2026-80969

In the Linux kernel, the following vulnerability has been resolved: ALSA: mpu401: Check card index validity at probe mpu401 driver blindly trusts that the given devptr-id value is within the proper card index range at probe. It's OK for the devices the driver itself creates at the module probe...

CVE-2026-80983

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket refcount leak in smcswitchconns smcswitchconns takes a reference on the SMC socket before dropping lgr-connslock, so the connection stays alive while the CDC slot is fetched: sockhold&smc-sk;...

UBUNTU-CVE-2026-89641

In the Linux kernel, the following vulnerability has been resolved: cifs: clear tcon after cifsFileInfoput in cifsfilesetsize When the else branch of cifsfilesetsize finds a writable file handle via findwritablefile, it borrows tcon and server from the handle's tlink, attempts the handle-based...