UBUNTU-CVE-2026-100073

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

UBUNTU-CVE-2026-93834

A use-after-free vulnerability was found in QEMU's 9pfs subsystem. A race condition between the main thread and a worker thread when processing concurrent Tlcreate and Twalk requests allows a malicious guest user to craft a fid path containing stale heap data, bypassing directory traversal...

UBUNTU-CVE-2026-51773

An issue in the VMware datastore driver of OpenStack glancestore. When an authenticated attacker provides a maliciously crafted image location URI pointing to an external server, the retryrequest function fails to validate the destination host before attaching sensitive authentication headers...

UBUNTU-CVE-2026-95832

Improper Neutralization of Special Elements in Output Used by a Downstream Component in the colour control escape code handler in kitty from 0.47.3 before 0.49.0 allows a program writing to the terminal to execute an arbitrary command in the user's shell, because colorcontrol in kitty/window.py...

UBUNTU-CVE-2026-51772

A Server-Side Request Forgery SSRF vulnerability exists in the Image API v2 of OpenStack Glance. When the showmultiplelocations configuration option is enabled in glance-api.conf, an authenticated attacker can manipulate the locations attribute of an image in the queued state by sending a crafted...

UBUNTU-CVE-2026-97585

In the Linux kernel, the following vulnerability has been resolved: afs: Fix double-unmap of directory block Fix afseditdirremove to use a cleanup function to unmap the block pointed to by afsdiriter::block if it's left pointing to something rather than manually kunmapping the blocks. Manually...

UBUNTU-CVE-2026-97569

In the Linux kernel, the following vulnerability has been resolved: bnxten: Prevent queue stop with deferred completions When the driver receives a burst of packets, it can mark a BD with the NOCMPL bit to defer completions. The expectation is that the last packet in the ring will have this bit...

UBUNTU-CVE-2026-97587

In the Linux kernel, the following vulnerability has been resolved: perf: RISC-V: store available counter mask as bitmap The available-counter mask was a single unsigned long, but iteration uses RISCVMAXCOUNTERS, which is 64. On RV32 that reads past the object. Filling with an unsigned-long bit a...

UBUNTU-CVE-2026-97614

In the Linux kernel, the following vulnerability has been resolved: net: dsa: tagbrcm: legacy FCS: request needed tailroom The legacy FCS tagger calculates the CRC over skb-len bytes starting at skb-data. When a nonlinear skb reaches the tagger, this reads past the linear head into unrelated slab...

UBUNTU-CVE-2026-97981

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Count dropped frames as NAPI work The RX loop only consumes budget when it successfully delivers a frame. Error paths keep consuming descriptors without reducing the budget, so a stream of bad frames can...

UBUNTU-CVE-2026-98077

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: fix OOB read in sipskipwhitespace sipskipwhitespace returns dptr unchanged when its own loop exhausts the buffer dptr == limit, instead of NULL like its sibling sipfollowcontinuation returns on its own...

UBUNTU-CVE-2026-97963

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: initialize ptplock at probe time priv-ptplock is only initialized in stmmacptpregister, which runs during stmmacopen. However, the lock is also used while the interface is down and has never been opened:...

UBUNTU-CVE-2026-97973

In the Linux kernel, the following vulnerability has been resolved: net: macb: destroy the phylink instance on the probe error path macbmiiinit creates a phylink instance on both of its success paths, but the probe unwind frees the netdev without destroying it, so a failing macballoctieoff or...

UBUNTU-CVE-2026-97579

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity vdecav1slicesetuptile copies tilecols + 1 / tilerows + 1 entries into micolstarts / mirowstarts from the bitstream tileinfo. Bound the copy to the array...

UBUNTU-CVE-2026-98068

In the Linux kernel, the following vulnerability has been resolved: net/rds: don't let rdsconnshutdown consume a concurrent drop rdsconnshutdown finishes by moving the path from RDSCONNDISCONNECTING to RDSCONNDOWN, and also accepts RDSCONNERROR as the starting state of that final transition, so...

UBUNTU-CVE-2026-97959

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsroute: free emptied bucket on filter move route4change can move an existing filter to a different top-level bucket: route4setparms recomputes the handle from TCAROUTE4TO/ FROM/IIF, and the handle-mismatch check is...

UBUNTU-CVE-2026-97990

In the Linux kernel, the following vulnerability has been resolved: vdpasimnet: check TX pull result before RX copy vringhiovpulliotlb returns a signed byte count. A failed TX pull is currently added to the unsigned byte counter and then passed as a sizet length to receivefilter and...

UBUNTU-CVE-2026-97550

In the Linux kernel, the following vulnerability has been resolved: xfs: fix unit conversions in perbinval computation LOLLM noticed that we're doing the unit conversion in the perbinval computation backwards -- xfsbufinvallogspace's second parameter is supposed to be in bytes, but maxbinval is i...

UBUNTU-CVE-2026-97548

In the Linux kernel, the following vulnerability has been resolved: xfs: fix the rtrmap and rtrefcount maxlevelsondisk functions The maxlevelsondisk functions are used to compute the size of in-memory btree cursors for each btree type. Unfortunately, LOLLM noticed that the rtrmap and rtrefcount...

UBUNTU-CVE-2026-97593

In the Linux kernel, the following vulnerability has been resolved: iommu/s390: Fix NULL dereference in iovatophys with ZPCITABLETYPERFX When using a 5-level translation table via ZPCITABLETYPERFX getrsofromiova returns NULL when the region-first entry is invalid. Yet in getrtofromiova the...

UBUNTU-CVE-2026-98029

In the Linux kernel, the following vulnerability has been resolved: eth: nfp: bound the ntuple rule dump by the caller's buffer size nfpnetgetfsloc dumps every entry of nn-fs.list into rulelocs without consulting cmd-rulecnt, which is how many entries the caller had room for. ETHTOOLGRXCLSRLALL...

UBUNTU-CVE-2026-98048

In the Linux kernel, the following vulnerability has been resolved: bpf: don't rewrite bpffastcall patterns entered by a jump markfastcallpatternforcall must ensure that matched "spill; call; fill" instruction series is not interrupted by a jump. Otherwise the rewrite applied by...

UBUNTU-CVE-2026-97972

In the Linux kernel, the following vulnerability has been resolved: net: macb: put the "mdio" child node reference on success macbmiiinit holds the reference returned by ofgetchildbyname for macbmdiobusregister and drops it only on the error paths, so every successful probe leaks a node reference...

UBUNTU-CVE-2026-98032

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix subbuf resize races with tracepiperaw readers Concurrent subbuffer resizes may crash tracepiperaw readers or leak uninitialized memory to userspace due to stale size values. Modify ringbufferallocreadpage to handle t...

UBUNTU-CVE-2026-97559

In the Linux kernel, the following vulnerability has been resolved: smb: client: fail DACL rewrite when the new DACL exceeds 64K replacesidsandcopyaces and setchmoddacl accumulate the size of the DACL they build in a u16. That accumulator can wrap. validatedacl caps numaces at daclsize -...

UBUNTU-CVE-2026-98132

In the Linux kernel, the following vulnerability has been resolved: bpf: don't downgrade half-dead scalar zero spills to STACKZERO states.c:cleanfuncstate can downgrade scalar zero spill to STACKZERO in the following case: u64 r10 - 8 = 0; ... checkpoint ... r1 = u32 r10 - 4; ... no reads from...

UBUNTU-CVE-2026-98093

In the Linux kernel, the following vulnerability has been resolved: ASoC: fslmicfil: balance mclk enable/disable hwparams enables mclk unconditionally and hwfree disables it unconditionally, but the PCM core does not guarantee 1:1 pairing: hwfree can run without hwparams, and hwparams can be call...

UBUNTU-CVE-2026-98011

In the Linux kernel, the following vulnerability has been resolved: net/sched: hhf: clamp quantum in change and init paths hhfchange accepts any quantum from userspace, including 1. With a crafted size table qdiscpktlen reaches 2 GiB, so quantum=1 makes the deficit-refill loop spin 2^31 times und...

UBUNTU-CVE-2026-98043

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't infer non-NULL from a pointer with an unbounded offset regnotnull decides that a register holds a non-NULL value by looking at its type alone. For pointer types that allow arithmetic the type only guarantees a non-NULL...

UBUNTU-CVE-2026-98128

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix target device refcount leak in mpi3mrsasportadd mpi3mrgettgtdevbyaddr increments the target device kref when it returns a device. If a subsequent error triggers a goto outfail after the tgtdev reference is...

UBUNTU-CVE-2026-98039

In the Linux kernel, the following vulnerability has been resolved: bpf: Require MEMPERCPU for percpu kptr stores mapkptrmatchtype treats permflags as the set of register type flags that a kptr field permits. Adding MEMPERCPU to that set for BPFKPTRPERCPU does not require the source register to...

UBUNTU-CVE-2026-97943

In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: Acquire initmm write lock on collapse to avoid UAF x86 implements page attribute modification using its Change Page Attributes CPA mechanism. This tracks properties of ranges such as cache mode through x86 page...

UBUNTU-CVE-2026-98158

In the Linux kernel, the following vulnerability has been resolved: pppasync: drop the errored frame instead of resetting its headroom pppreceivenonmpframe prepends a two-byte direction tag before running the pass/active BPF filters: be16 skbpushskb, 2 = htonsPPPFILTERINBOUNDTAG; Nothing on the...

UBUNTU-CVE-2026-97970

In the Linux kernel, the following vulnerability has been resolved: watchdog: msc313e: Avoid division by zero clkgetrate could return 0. Avoid a division by zero panic...

UBUNTU-CVE-2026-98016

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free race in samplerestoreput Concurrent teardown of TC sample rules sharing the same restore context may re-read restore-count after dropping restorelock. At that point another thread may already have...

UBUNTU-CVE-2026-98156

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: use the DMA API for resource backing on Xen On a Xen PV domain page addresses bear no relation to the real machine addresses the host would have to use to reach it. virtioring.c handles this correctly, vringusemapapi...

UBUNTU-CVE-2026-97983

In the Linux kernel, the following vulnerability has been resolved: vduse: return compat ioctl results directly The compat handler handles VDUSEIOTLBGETFD and VDUSEVQGETINFO, but then calls the native handler. Their different command sizes make native dispatch return -ENOIOCTLCMD. For GETFD, this...

UBUNTU-CVE-2026-98087

In the Linux kernel, the following vulnerability has been resolved: sched/rt,dl: Skip migrate-disabled tasks when picking a push candidate A migratedisable'd RT task cannot be moved to another CPU, but the scheduler still keeps such a task on that CPU's pushable list rq-rt.pushabletasks and still...

UBUNTU-CVE-2026-98024

In the Linux kernel, the following vulnerability has been resolved: s390/ism: folioput after error dmb-cpuaddr was allocated via folioalloc. Use folioput instead of kfree in the error exit of ismallocdmb to avoid slab allocator corruption. While at it, reset dmb-cpuaddr after folioput to avoid...

UBUNTU-CVE-2026-97553

In the Linux kernel, the following vulnerability has been resolved: xfs: lock the healthmon when inserting unmount event LOLLM complains that xfshealthmonunmount does an unlocked insert of the unmount event into the health monitor's event list. Fix that...

UBUNTU-CVE-2026-98146

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Remove countedby from struct amdxdnacmdchain struct amdxdnacmdchain contains a flexible array annotated with countedbycommandcount. Since the structure is stored in shared AMDXDNABOSHARE memory, userspace can modif...

UBUNTU-CVE-2026-97546

In the Linux kernel, the following vulnerability has been resolved: xfs: don't spin forever on zero-length dirents when salvaging them LOLLM noticed that xrepdirrecoverdata can spin forever if it encounters an unused dirent that claims to have length zero. Fix that, and prevent the same thing fro...

UBUNTU-CVE-2026-98147

In the Linux kernel, the following vulnerability has been resolved: printk: Don't WARN on kthreadrun failure. Since kthreadcreateonnode returns -EINTR upon SIGKILL, we should not use WARNON in order to catch kthreadrun failure...

UBUNTU-CVE-2026-98112

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix listener task lifetime on netdev events The listener thread exits when its listening socket is shutdown. The netdevice notifier shuts down the socket before calling kthreadstop, so the taskstruct can be freed before...

UBUNTU-CVE-2026-97525

In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: Allocate split page tables as kernel page tables A PTE is allocated directly without going through the standard page table allocation routines such as ptealloconekernel when the CPA code splits a large page...

UBUNTU-CVE-2026-97941

In the Linux kernel, the following vulnerability has been resolved: mm/slab: take n-listlock in slabtryreturnfreelist to avoid race Commit ba7425312607 "mm, slab: add an optimistic slabtryreturnfreelist" incorrectly assumed that nobody has freed an object to the slab as long as slab-freelist is...

UBUNTU-CVE-2026-97543

In the Linux kernel, the following vulnerability has been resolved: xfs: destroy seen inode bitmap when we fail to add a dirpath LOLLM observes a memory leak in xchkdirtreecreatepath if we create the directory path object but appending the name to the path fails. When this happens, we don't tear...

UBUNTU-CVE-2026-97617

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Check resizedisabled before publishing the new subbuf order ringbuffersubbuforderset stores the new order and only then walks the CPUs, returning -EBUSY if any of them has resizing disabled. A user mapped buffer has...

UBUNTU-CVE-2026-97605

In the Linux kernel, the following vulnerability has been resolved: erofs: preserve LZMA decoders on resize failure The pool-resize path frees each stream's old decoder before allocating its replacement. If an allocation fails after some streams have already been replaced, the failed stream is pu...

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...