CVE-2026-89512

In the Linux kernel, the following vulnerability has been resolved: remoteproc: scp: Fix device reference leak on failed lookup Make sure to drop the reference taken to the SCP device when attempting to look up its driver data before the driver has been bound. Note that holding a reference to a...

UBUNTU-CVE-2026-89527

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Use svcxprtput to free listener on create failure svcrdmacreate calls kfreecmaxprt when svcrdmacreatelistenid fails. svcxprtinit has already acquired a net namespace reference via getnettrack; kfree bypasses svcxprtfree...

UBUNTU-CVE-2026-89546

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: close backchannel before destroying callback service A backchannel receive can complete a request while the NFS callback service is being torn down. xprtcompletebcrequest removes the request from bcpalist, drops...

CVE-2026-89645

In the Linux kernel, the following vulnerability has been resolved: btrfs: drop recovered reloc root refs on recovery failure During relocation recovery, each fs root gets a reference to its relocation root. If loading or adding a later root fails, or if the first transaction commit fails,...

CVE-2026-89591

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: initialize job domain before cleanup paths rocketioctlsubmitjob releases rjob through rocketjobput on allocation error paths. rocketjobcleanup unconditionally calls rocketiommudomainputjob-domain, but job-domain is...

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-2026-80995

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

UBUNTU-CVE-2026-89590

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: Fix error path handling in rocketjobrun In rocketjobrun, after taking an extra fence reference for job-donefence via dmafenceget, the error paths have three bugs: - The dmafence reference held by job-donefence is...

CVE-2026-89527

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Use svcxprtput to free listener on create failure svcrdmacreate calls kfreecmaxprt when svcrdmacreatelistenid fails. svcxprtinit has already acquired a net namespace reference via getnettrack; kfree bypasses svcxprtfree...

CVE-2026-89536

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops...

CVE-2026-89710

In the Linux kernel, the following vulnerability has been resolved: NFSv4.1: fix layout segment leak on the pnfslayoutprocess forget path When the server returns a new layout stateid while a valid one is still held, pnfslayoutprocess calls pnfsmarkmatchinglsegsreturn on the on-stack freeme list a...

CVE-2026-89683

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix dentry ref leak on V4ROOT export filehandle lookup nfsdsetfhdentry leaks the dentry reference from exportfsdecodefhraw when the NFS3FHSIZE or NFSFHSIZE switch cases detect NFSEXPV4ROOT and goto out. The out: label calls...

UBUNTU-CVE-2026-89447

In the Linux kernel, the following vulnerability has been resolved: iommufd: Avoid locking internal accesses during unmap iommufdaccessnotifyunmap skips internal accesses because they do not have an external unmap callback to invoke. However, the current test calls iommufdlockobj before checking...

CVE-2026-89646

In the Linux kernel, the following vulnerability has been resolved: ceph: fix leaked inode reference on writeback abort at umount cephdirtyfolio takes a wrbuffer claim on each newly dirtied folio: it bumps iwrbufferref taking an ihold on the 0-1 transition and attaches the snapcontext to...

CVE-2026-89446

In the Linux kernel, the following vulnerability has been resolved: iommufd: Release current IOAS on xastore failure iommufdtakealliovarwsem takes an object reference and the iovarwsem write lock before storing the IOAS in the temporary ioaslist xarray. If xastore fails, the current IOAS has not...

UBUNTU-CVE-2026-89683

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix dentry ref leak on V4ROOT export filehandle lookup nfsdsetfhdentry leaks the dentry reference from exportfsdecodefhraw when the NFS3FHSIZE or NFSFHSIZE switch cases detect NFSEXPV4ROOT and goto out. The out: label calls...

CVE-2026-89681

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix layout fence worker double-reference race The workqueue core clears WORKSTRUCTPENDING before the callback is invoked, so delayedworkpending in lmbreakertimedout can return false while the fence worker is already running...

CVE-2026-89715

In the Linux kernel, the following vulnerability has been resolved: NFS/localio: fix ref leak on nfsuuidaddfile failure When nfsuuidaddfile races with nfsuuidput tearing down uuid-net, it returns -ENXIO without publishing nfl-nfsuuid via rcuassignpointer. nfsopenlocalfh then enters its error bran...

UBUNTU-CVE-2026-89645

In the Linux kernel, the following vulnerability has been resolved: btrfs: drop recovered reloc root refs on recovery failure During relocation recovery, each fs root gets a reference to its relocation root. If loading or adding a later root fails, or if the first transaction commit fails,...

UBUNTU-CVE-2026-89697

In the Linux kernel, the following vulnerability has been resolved: nfsd: add fhwantwrite for early-verified SETATTR in nfsdprocsetattr The BOTHTIMESET branch calls fhverify early so setattrprepare can inspect the dentry. This causes nfsdsetattr to skip fhwantwrite, so notifychange runs without a...