UBUNTU-CVE-2026-74344

In the Linux kernel, the following vulnerability has been resolved: bpf: Clear rb node linkage when freeing bpfrbroot bpfrbrootfree detaches the root by copying the current rbrootcached and then replacing the live root with RBROOTCACHED. It then walks the copied root and drops each object contain...

UBUNTU-CVE-2026-74399

In the Linux kernel, the following vulnerability has been resolved: evm: terminate and bound the evmxattrs read buffer evmreadxattrs allocates size + 1 bytes, fills them from the list of enabled xattrs, and then passes strlentemp to simplereadfrombuffer. When no configured xattrs are enabled, the...

UBUNTU-CVE-2026-72355

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix barriering when walking subrequest list Fix the barriering used when walking the subrequest list in retry as there's a possibility of seeing a subreq that's just been added by the application thread...

UBUNTU-CVE-2026-74374

In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix error-path detection with mdclonedbio Detect the error path using mdclonedbio instead of relying on r1bio in raid1 or r10bio-readslot in raid10, which may be NULL or -1 after splitting and resubmitting a fail...

UBUNTU-CVE-2026-72341

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix publication race for priv-channelstats mlx5echannelstatsalloc publishes a new entry to priv-channelstats and then increments priv-statsnch as a publication token, but neither store carries any memory barrier:...

UBUNTU-CVE-2026-74404

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix snpfilterreservedmemregions off-by-one Sashiko notes: regarding the bounds check in snpfilterreservedmemregions called via walkiomemresdesc: does the check if rangelist-numelements 16 + 8 PAGESIZE allow an...

UBUNTU-CVE-2026-74354

In the Linux kernel, the following vulnerability has been resolved: bpf: Take mmaplock in zappages zapvmarange requires the owning mm's mmaplock to be held. Taking mmapreadlock under arena-lock would AB-BA against arenavmclose and arenamapmmap, both of which run with mmapwritelock held and then...

UBUNTU-CVE-2026-72438

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix writespending and barrier reference leaks on discard failures raid10makerequest acquires a writespending reference with mdwritestart before calling raid10handlediscard. Several failure paths in raid10handlediscard...

UBUNTU-CVE-2026-72467

In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Check frwrwpcreate during connect frwrwpcreate creates the singleton Memory Region used to encode padding for Write chunks whose payload length is not XDR-aligned. Its failure paths return a negative errno and leave...

UBUNTU-CVE-2026-72292

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Initialize KVMS390GETCMMABITS memory kvms390getcmmabits allocates its output buffer with vmalloc, which does not zero the returned pages: values = vmallocargs-count; In the non-peek migration path, datgetcmma reports a...

UBUNTU-CVE-2026-74267

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcodel: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever codel drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog before i...

CVE-2026-72287

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Move vTPR vs. TPR Threshold consistency check into "normal" checks Move the off-by-default consistency check for vmcs12.tprthreshold vs. the virtual APIC vTPR into the "normal" controls checks, as waiting until KVM has...

CVE-2026-72370

In the Linux kernel, the following vulnerability has been resolved: iomap: release pages on atomic dio size mismatch If bioiovitergetpages or the bounce helper succeeds but builds a short bio, the REQATOMIC size check rejects it before submission. The old error path only dropped the bio reference...

CVE-2026-72284

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore pending PV EOI if the vCPU has since disabled PV EOIs Ignore KVM's internal "service pending PV EOI" request if the vCPU has disabled PV EOIs since the request was made. Asserting that PV EOIs are enabled can fai...

CVE-2026-72285

In the Linux kernel, the following vulnerability has been resolved: KVM: TDX: Reject concurrent change to CPUID entry count Reject KVMTDXINITVM if userspace changes cpuid.nent between the initial read and the subsequent copy of the initialization data. tdxtdinit first reads userdata-cpuid.nent to...

CVE-2026-72281

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: account pKVM reclaim against the VM mm Protected guest faults charge long term pins to the VM's mm. Teardown can run later from file release, where current-mm may be unrelated. Drop the charge from kvm-mm instead...

CVE-2026-72277

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Inject SEA if guest VNCR isn't normal memory When constructing an L1 VNCR mapping, KVM unconditionally uses cacheable memory attributes, even if the underlying PFN isn't memory. This gets particularly hairy if the...

CVE-2026-72275

In the Linux kernel, the following vulnerability has been resolved: fbdev: broadsheetfb: fix potential memory leak in broadsheetfbprobe The memory allocated for pagerefs in fbdeferredioinit is not freed on the error path. Fix it by calling fbdeferrediocleanup...

CVE-2026-72274

In the Linux kernel, the following vulnerability has been resolved: fbdev: hecubafb: fix potential memory leak in hecubafbprobe The memory allocated for pagerefs in fbdeferredioinit is not freed on the error path. Fix it by calling fbdeferrediocleanup...

CVE-2026-72276

In the Linux kernel, the following vulnerability has been resolved: fbdev: metronomefb: fix potential memory leak in metronomefbprobe The memory allocated for pagerefs in fbdeferredioinit is not freed on the error path. Fix it by calling fbdeferrediocleanup...