UBUNTU-CVE-2026-98050

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumptp: Fix napigroreceive call from GC workqueue context Currently mlxswsp1ptphtgccollect is run from the PTP garbage-collection workqueue, rather than the NAPI poll context. For any unmatched PTP entries carrying an...

UBUNTU-CVE-2026-97558

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix cifsFileInfo reference leak in deferred close When cifsclose defers a close, it hands the cifsFileInfo reference of the closing struct file to the queued work. Each execution of smb2deferredworkclose drops one su...

UBUNTU-CVE-2026-97532

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Null out freed pointers in qla2x00memalloc error path When qla2x00memalloc fails, qla2x00probeone jumps to probehwfailed and calls qla2x00memfree. Several error labels in qla2x00memalloc freed adapter members...

UBUNTU-CVE-2026-98089

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix uninitialized transport header access in albdeterminend albdeterminend uses icmp6hdrskb to inspect ICMPv6 headers. However, in xmit paths e.g. packets sent via AFPACKET / raw sockets or forwarded packets,...

UBUNTU-CVE-2026-97947

In the Linux kernel, the following vulnerability has been resolved: x86/amdnode: Fix potential NULL pointer dereference amdsmnread/write are exported functions around amdsmnrw, so they are always available even if amdsmninit fails. In that case, 'amdroots' is NULL and amdsmnrw will access...

UBUNTU-CVE-2026-98049

In the Linux kernel, the following vulnerability has been resolved: bpf: zero extend the result of an arena 32-bit cmpxchg bpfconvertctxaccesses rewrites an atomic on an arena pointer from BPFSTX | BPFATOMIC to BPFSTX | BPFPROBEATOMIC, and it runs before bpfoptsubregzextlo32rndhi32. That pass emi...

UBUNTU-CVE-2026-98051

In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: fix txspbringfull checking same slot cnt times The loop initialised nextindex from intf-txspbindex on every iteration, so incrring always produced the same result and only one slot was ever tested. Move the...

UBUNTU-CVE-2026-98052

In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: clear txcb-last before writing each descriptor bcmaspxmit only wrote txcb-last = true for the final fragment of an SKB; non-final fragments left the field untouched. If a descriptor slot was reused while it still hel...

UBUNTU-CVE-2026-98053

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: avs: Refactor and fix initconfig access Existing code accesses enties found in -initconfigs array through indexes that are part of -configids array. Those two are limited by: -numinitconfigs and -numconfigids...

UBUNTU-CVE-2026-98079

In the Linux kernel, the following vulnerability has been resolved: btrfs: zstd: fix lost wakeup when waiting for a workspace A writer can sleep forever in zstdgetworkspace even though a workspace is free. When zstdallocworkspace fails, the task is queued on zwsm-wait and schedules unconditionall...

UBUNTU-CVE-2026-98091

In the Linux kernel, the following vulnerability has been resolved: btrfs: detach failed sprout device from transaction update list When creating the first metadata chunk for a sprout filesystem, createchunk adds the new device to the transaction devupdatelist through device-postcommitlist. If th...

UBUNTU-CVE-2026-98097

In the Linux kernel, the following vulnerability has been resolved: tipc: Dont send random pad bytes in RESET/ACTIVATE messages The interface name is passed in a fixed length TIPCMAXIFNAME buffer. Replace the strcpydata, l-ifname with memcpy so that the pad bytes are actually written l-ifname is...

UBUNTU-CVE-2026-98099

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcuassignpointer for rcu list updates Several places in net/ipv6/mcast.c update RCU-protected lists np-ipv6mclist, idev-mclist, idev-mctomb using direct pointer assignments instead of rcuassignpointer: 1. In...

UBUNTU-CVE-2026-98102

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix RCU list diversion in ip6mcdel1src When removing a source filter whose count reaches zero, ip6mcdel1src unlinks psf from pmc-mcasources. If the filter was previously active, the code moved psf directly into...

UBUNTU-CVE-2026-98105

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: oatc6: Improve the error recovery When oversubscribed traffic causes lot of buffer overflow errors, probably due to loss of data chunks, driver fails to find a data chunk with endvalid bit set, before it runs out o...

UBUNTU-CVE-2026-98111

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: validate version TLV value lengths btintelparseversiontlv verifies that a complete TLV is present in the response, but it does not ensure that the value is long enough for the specific TLV type. A short value...

UBUNTU-CVE-2026-98113

In the Linux kernel, the following vulnerability has been resolved: ksmbd: rate limit unmapped SID errors A client can include many structurally valid but unmapped SIDs in a DACL. Logging every mapping failure lets one request generate hundreds of kernel error messages. Rate limit the message to...

UBUNTU-CVE-2026-98115

In the Linux kernel, the following vulnerability has been resolved: ksmbd: safely drain sessions during logoff SMB3 multichannel allows requests for one session to run on multiple connections. Wait for all channels bound to a session before freeing shared session objects. A deferred byte-range lo...

UBUNTU-CVE-2026-98116

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Serialize PCM mmap with buffer reallocation to fix page UAF sndpcmhwparams and sndpcmhwfree guard buffer reallocation with an mmapcount check performed under the PCM stream lock, but the lock is released long before th...

UBUNTU-CVE-2026-97542

In the Linux kernel, the following vulnerability has been resolved: xfs: bail out on bitmap errors in xrepagflfill LOLLM also points out that the xagbbitmapset call in xrepagflfill can fail, but we don't check the result of xagbbitmapwalk, so we silently drop the error and proceed with inconsiste...

UBUNTU-CVE-2026-97545

In the Linux kernel, the following vulnerability has been resolved: xfs: don't leak newbp if xfsbtreebloaddropbuf fails LOLLM observes that in xfsbtreebloadprepblock, xfsbtreebloaddropbuf can hit an IO error if writing the delwri buffer list to disk fails. In this case, we fail to release newbp,...

UBUNTU-CVE-2026-97549

In the Linux kernel, the following vulnerability has been resolved: xfs: fix under-reservation of blocks when repairing sf directories Whilst running QA on XFS for-next as of 7.3-rc2 with MKFSOPTIONS="-n size=8192", I observed the following trimmed dmesg splat: XFS: Assertion failed: args-total =...

UBUNTU-CVE-2026-97552

In the Linux kernel, the following vulnerability has been resolved: xfs: initialise error in xfsdeferfinishone xfsdeferfinishone declares error without an initialiser and only assigns it inside the loop over dfp-dfpwork. When that list is empty the loop body never runs, control falls through to t...

UBUNTU-CVE-2026-97554

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid using uninitialized SIDs in cifsposixtofattr cifsposixtofattr ignores the return value of posixinfoparse. When a malformed POSIX directory entry is encountered e.g. invalid SID lengths from an untrusted server,...

UBUNTU-CVE-2026-97568

In the Linux kernel, the following vulnerability has been resolved: mptcp: syncookies: remember the request backup flag Instead of using an uninitialised bit when copying the info in subflowulpclone. To fix this, no need to extend the joinentry structure: backup is coming from struct...

UBUNTU-CVE-2026-97570

In the Linux kernel, the following vulnerability has been resolved: bnxten: Bound SW TPA IDs to prevent crashes FW supports up to 1024 concurrent TPAs, so the FW TPA ID is in the range 0..1023 see commit ec4d8e7cf024 "bnxten: Add TPA ID mapping logic for 57500 chips.". bnxtallocaggidx is intended...

UBUNTU-CVE-2026-97578

In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: rockchip: guard VPU981 AV1 divisor and tile buffer rockchipvpu981av1decsettileinfo divides contextupdatetileid by tileinfo-tilecols and writes one descriptor per tile into the tileinfo DMA buffer, which holds...

UBUNTU-CVE-2026-97583

In the Linux kernel, the following vulnerability has been resolved: afs: Clear stale peer app data after address list changes afsfsprobefileserver fetches the current endpoint state under server-fslock, but leaves oldalist as NULL. Consequently, afssetpeerappdata treats every address list...

UBUNTU-CVE-2026-97586

In the Linux kernel, the following vulnerability has been resolved: afs: Fix missing kunmap in afsdirsearchbucket Fix afsdirsearchbucket to kunmap the block it's using in the "bad:" path...

UBUNTU-CVE-2026-97589

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix wrong return code to engine in asynch callbacks When cryptofinalizehashrequest or cryptofinalizeskcipherrequest explicitly completes a request, the doonerequest callback must return 0 to indicate successful...

UBUNTU-CVE-2026-97907

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: Don't leak return code when parsing firmware format v2 When keyid from chip is zero, rtlbtparsefirmwarev2 intentionally ignores all security headers. However, the implementation simply breaks from a switch...

UBUNTU-CVE-2026-97910

In the Linux kernel, the following vulnerability has been resolved: ASoC: sprd: validate compress buffer sizes against fixed allocations sprdplatformcompropen allocates the stage 0 IRAM buffer 32K data area and the stage 1 DDR buffer 2M data area with fixed sizes, but sprdplatformcomprcopy derive...

UBUNTU-CVE-2026-97914

In the Linux kernel, the following vulnerability has been resolved: accel: ethosu: Fix ethosujobopen return value A WARNON returns a 0 or 1, not the original negative errno. Just drop the WARNON as the FD open will pass the return code to userspace and there's only one possible source of the erro...

UBUNTU-CVE-2026-97955

In the Linux kernel, the following vulnerability has been resolved: net: mana: restore the XDP program pointer when pre-allocation fails manaxdpset publishes the new program into apc-bpfprog before it allocates anything, because manapreallocrxbufs sizes the buffers from it via managetrxbufcfg. Wh...

UBUNTU-CVE-2026-97960

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Prevent drainpebs reentry The PEBS buffer is shared by all events on a CPU, so drainpebs must not be reentered. If so, one instance may observe stale buffer state and potentially access out-of-bound memory. Most...

UBUNTU-CVE-2026-97967

In the Linux kernel, the following vulnerability has been resolved: hwmon: corsair-cpro Remove debugfs entries when probe fails ccpdebugfsinit registers debugfs files whose private data is the devm allocated ccp. If hwmondeviceregisterwithinfo fails right after it, ccpprobe returns without removi...

UBUNTU-CVE-2026-97987

In the Linux kernel, the following vulnerability has been resolved: virtioinput: reset device if inputregisterdevice fails Probe marks the device DRIVEROK with virtiodeviceready before calling inputregisterdevice. If registration fails, the error path cleared vi-ready and called delvqs while the...

UBUNTU-CVE-2026-97989

In the Linux kernel, the following vulnerability has been resolved: vduse: validate virtqueue alignment vdusevalidateconfig only checks the upper bound of vqalign. Invalid values can therefore reach vringcreatevirtqueuemap. The split-ring helpers use align - 1 as a bit mask, so the alignment must...

UBUNTU-CVE-2026-97584

In the Linux kernel, the following vulnerability has been resolved: afs: Fix incorrect free in candidate cleanup in afslookupserver Fix afslookupserver to not free an existing server's endpoint state when cleaning up a candidate server. The candidate record doesn't have an endpoint state yet at...

UBUNTU-CVE-2026-97592

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix missing scrub of temp buffers with AES ctr and gcm algorithm In function ctraescrypt there is a buffer used to process remaining bytes AESBLOCKSIZE. This buffer was not scrubbed and thus could lead to expose of...

UBUNTU-CVE-2026-98003

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Do not reallocate GA log buffers on resume Commit c5e1a1eb9279 "iommu/amd: Simplify and Consolidate Virtual APIC AVIC Enablement" moved the GA log allocation from iommuinitpci to enableiommusvapic, which is called on...

UBUNTU-CVE-2026-98020

In the Linux kernel, the following vulnerability has been resolved: pdscore: fix cmdregs access racing BAR unmap on reset pdscresetprepare and pdscresetdone's pdscmapbars error path clear/iounmap cmdregs without devcmdlock, and pdsclegacyfirmwareupdate's download loop derefs cmdregs after droppin...

UBUNTU-CVE-2026-98027

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: bound the policy rule dump by the caller's buffer size mv88e6xxxgetrxnfc uses rxnfc-rulecnt as the write index while dumping the policy IDR, clobbering the input value before it has been looked at. That input...

UBUNTU-CVE-2026-98040

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark the zero register precise for a register-form NULL check checkcondjmpop accepts "if rA rB" as a NULL check for a nullable pointer rA when rB is a scalar known to be zero, lifts PTRMAYBENULL from rA in the corresponding...

UBUNTU-CVE-2026-98062

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark signal tracepoint siginfo arguments as scalar The signalgenerate and signaldeliver tracepoints declare their info argument as a struct kernelsiginfo pointer. btfctxaccess therefore treats it as a trusted pointer for tpb...

UBUNTU-CVE-2026-98065

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject key-less BTF for hash maps mapcheckbtf allows a key-less BTF btfkeytypeid == 0 only for maps that have a -mapcheckbtf callback, and leaves the actual decision to that callback. Hash maps used to have no -mapcheckbtf, ...

UBUNTU-CVE-2026-98073

In the Linux kernel, the following vulnerability has been resolved: net: Remove conflicting altnames for dying netns in devchangenetnamespace. syzbot reported the warning in cfg80211pernetexit. 0 The repro does the following: 1. create two device in root netns and non-root netns 2. assign the sam...

UBUNTU-CVE-2026-98114

In the Linux kernel, the following vulnerability has been resolved: ksmbd: propagate DACL parsing errors parsedacl silently accepts truncated ACEs and allocation failures, allowing setinfosec to continue with an incomplete ACL conversion. Return parsing and allocation errors to parsesecdesc so...

UBUNTU-CVE-2026-97526

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

UBUNTU-CVE-2026-97527

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Serialize NVMe unsol ctx list with a per-fcport lock The fcport-unsolctxhead list is modified from several contexts without a common lock. Entries are added in qla2xxxprocesspurlsiocb from the response queue ISR...