UBUNTU-CVE-2026-89439

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Add a NULL check for sstinst To be consistent with other places, add a NULL check for failed socket loading by checking isstcommon.sstinst...

UBUNTU-CVE-2026-89442

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Validate socket ID in closassoc ioctl isstifclosassoc validates the user-supplied socketid with 'socketid topologymaxpackages', but isstcommon.sstinst is allocated with topologymaxpackages entries, so the vali...

UBUNTU-CVE-2026-89717

In the Linux kernel, the following vulnerability has been resolved: zram: set default primary compressor in zramdestroycomps Patch series "zram: fix zram issues reported by sashiko". Sashiko drove by and reported 1 a couple of zram issues: a possible BUGON in zlib code due to missing winbits rang...

UBUNTU-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...

UBUNTU-CVE-2026-89676

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix stale s2scpstateids IDR entry for async COPY For an async COPY, nfsd4copy called nfs4initcopystate before dupcopyfields, so the s2scpstateids IDR was pointed at &u-copy-cpstateid -- memory in the per-rqstp COMPOUND buff...

UBUNTU-CVE-2026-89682

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix fcachedisposal UAF by inlining dispose state into nfsdnet nfsdfiledisposelistdelayed defers fput to nfsd service threads via a per-net freeme queue, preventing the shrinker and GC worker from bearing the cost of closing...

UBUNTU-CVE-2026-89552

In the Linux kernel, the following vulnerability has been resolved: params: fix charp corruption on allocation failure paramsetcharp stores charp parameters in allocated memory after slab is available, and releases the previous value when the parameter is updated. The previous value is released...

UBUNTU-CVE-2026-89672

In the Linux kernel, the following vulnerability has been resolved: nfsd: gate nfs2 setacl by argp-mask The NFSACL v2 SETACL path shares the decoder convention used by its v3 sibling: nfsaclsvcdecodesetaclargs fills in argp-aclaccess only when NFSACL is set in the request mask and argp-acldefault...

UBUNTU-CVE-2026-89671

In the Linux kernel, the following vulnerability has been resolved: nfsd: gate nfs3 setacl by argp-mask nfsd3procsetacl calls setposixacl unconditionally for both ACLTYPEACCESS and ACLTYPEDEFAULT, passing argp-aclaccess and argp-acldefault verbatim. The NFSv3 ACL decoder only populates those...

UBUNTU-CVE-2026-89543

In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix use-after-free in rpcclnthandleevent and rpcclntremovepipedir Normal client creation goes through rpcsetuppipedir, which records clnt-pipefssb, but the mount-event path in rpcclnthandleevent calls rpcsetuppipedirsb...

UBUNTU-CVE-2026-89711

In the Linux kernel, the following vulnerability has been resolved: NFSD: remove flawed WARNONONCE from nfsdmodecheck The header for commit e75b23f9e323 "nfsd: check dcanlookup in fhverify of directories" details the assumption that justified adding the WARNONONCE to nfsdmodecheck, that assumptio...

UBUNTU-CVE-2026-89457

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Guard sysfs discipline callbacks against unallocated private data Several sysfs show/store handlers call a discipline callback that dereferences device-private, either directly or through the DASDDEFINEATTR macro. Duri...

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-2026-81005

In the Linux kernel, the following vulnerability has been resolved: ipmi: si: Fix NULL pointer dereference after failed registration trysmiinit allocates newsmi-sism and later calls ipmiregistersmimod, which maps to ipmiaddsmi. During ipmiaddsmi, the upper IPMI message handler obtains the initial...

UBUNTU-CVE-2026-80987

In the Linux kernel, the following vulnerability has been resolved: NTB: ntbtransport: Reject oversized TX buffers ntbprocesstx handles an oversized buffer by calling txhandler with a NULL data pointer and returning success. ntbnetdev therefore neither frees the skb in its completion callback nor...

UBUNTU-CVE-2026-80963

In the Linux kernel, the following vulnerability has been resolved: dm-stats: fix a crash if allocation of per-cpu data fails If "dmkvzallocpercpuallocsize, cputonodecpu" fails, the code jumps to the "out" label and calls dmstatfree. dmstatfree does "foreachpossiblecpucpu...

UBUNTU-CVE-2026-81008

In the Linux kernel, the following vulnerability has been resolved: interconnect: Fix use after free in iccget and oficcgetbyindex In oficcgetbyindex and iccget, if the dynamic allocation for path-name fails via kasprintf, the error handling path directly calls kfreepath to free the path object a...

UBUNTU-CVE-2026-89622

In the Linux kernel, the following vulnerability has been resolved: HID: mcp2221: clear rxbuf after I2C/SMBus transfer completes mcpi2csmbusread stores the caller-supplied buffer pointer in mcp-rxbuf for the duration of a transfer but never clears it when the transfer finishes or times out. Once...

CVE-2026-89528

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject Read lists that exceed the page budget Individual Read segment lengths are validated at decode time, but nothing prevents a requester from sending multiple segments whose cumulative length exceeds the rqpages arra...

UBUNTU-CVE-2026-89504

In the Linux kernel, the following vulnerability has been resolved: regulator: as3722getregulatordtdata: fix premature ofnodeput leaving dangling ofnode pointer In as3722getregulatordtdata, ofgetchildbyname acquires a reference on np, which is then assigned to pdev-dev.ofnode. The function...