CVE-2026-64208

Summary : CVE-2026-64208 affects the Linux kernel’s crypto/krb5 and AF_RXRPC path. The root cause was missing pre-decrypt/pre-verify length checks, now fixed by updating the krb5 crypto library to provide facilities for prechecking message length and by applying this in AF_RXRPC to validate DATA ...

CVE-2026-31559

This CVE (CVE-2026-31559) affects the LoongArch implementation in the Linux kernel. The issue is a missing NULL check in kstrdup() during device-tree processing, fixed by replacing of_find_node_by_path("/") with of_root to avoid multiple of_node_put() calls, and by preventing a kernel oops during...

CVE-2026-31569

The CVE-2026-31569 issue affects the Linux kernel’s LoongArch KVM path, where EIOINTC's coremap can be empty in eiointc_update_sw_coremap(), causing an out-of-bounds access to kvm_arch::phyid_map::phys_map[]. The described impact is system instability or a crash, with potential information disclo...

CVE-2026-31598

Summary of CVE-2026-31598 (ocfs2 deadlock) : In the Linux kernel OCFS2, a potential deadlock arises from ABBA lock ordering between unlink and dio_end_io_write. The path in unlink acquires inode_lock (orphan_dir_inode) before ip_alloc_sem, while dio_end_io_write acquires ip_alloc_sem first, then ...

CVE-2026-31621

The CVE-2026-31621 issue affects the Linux kernel bnge driver: on failure of auxiliary_device_add(), the error path calls auxiliary_device_uninit() but does not return, causing a null dereference when cleanup runs bnge_aux_dev_release() (bd->auxr_dev is freed and then dereferenced). Red Hat re...

CVE-2026-31674

The CVE-2026-31674 issue affects the Linux kernel netfilter ip6t_rt module, where processing IPv6 routing header (RT) match rules can overflow addrnr if it exceeds IP6T_RT_HOPS. The root cause is rt_mt6() using addrnr outside rtinfo->addrs[] bounds. A patch added validation of addrnr during ru...

CVE-2026-31724

In CVE-2026-31724, the Linux kernel USB gadget EEM function had a lifecycle issue: a net_device was created and registered under the gadget’s sysfs parent, but on unbind the parent could be destroyed, leaving dangling symlinks (for example, /sys/class/net/usb0). The remediation described in conne...

CVE-2026-31727

The CVE affects the Linux kernel USB gadget subsystem, specifically u_ether, where a NULL pointer dereference could occur when a userspace tool queries a surviving interface during a detached window after unbind. The root cause is a missing NULL check for dev->gadget in eth_get_drvinfo(), lead...

CVE-2026-31751

Technical details for CVE-2026-31751 are not provided in the connected documents. The initial description contains summary text only; no affected products, versions, or fixes are present. Monitor for updates from OSV/Mageia/Debian advisories.

CVE-2026-31780

In CVE-2026-31780, the Linux kernel wi l c1000 Wi‑Fi driver is affected by a heap buffer overflow in the SSID scan path. The code accumulates total SSID lengths into a variable declared as u8, allowing up to 330 bytes for 10 SSIDs, but the u8 wrap causes a 75-byte kmalloc allocation followed by a...

CVE-2026-43009

The CVE-2026-43009 family concerns the Linux kernel BPF verifier. Connected sources describe a bug where backtrack_insn did not correctly account for atomic fetch variants (BPF_ATOMIC with BPF_FETCH) during memory-precision tracking, causing the verifier to prune paths incorrectly. The fix extend...

CVE-2026-43031

The CVE concerns the Linux kernel xilinx axienet driver. When a TX packet spans multiple buffer descriptors, the current accounting in axienet_free_tx_chain summing per-BD lengths into an accumulator can lose earlier bytes if the packet completes across different polls, causing BQL to overestimat...

CVE-2026-43040

CVE-2026-43040 corresponds to a Linux kernel issue in IPv6 Router Advertisements handling via nduseropt, where three padding fields in nduseroptmsg were not initialized to zero, leaking kernel data. Affected component: net/ipv6/ndisc (ndc ra user options). Root cause: padding fields were not zero...

CVE-2026-43098

Summary (concrete details from provided documents): CVE-2026-43098 affects the Linux kernel NFC subsystem, specifically the s3fwrn5 driver, where s3fwrn82_uart_read() may consume bytes into recv_skb and deliver a complete frame before a new receive buffer is allocated. If alloc_skb() fails, the c...

CVE-2026-43106

CVE-2026-43106 concerns the Linux kernel, specifically the cachefiles module. The issue is a faulty dentry reference accounting in cachefiles_cull() that could cause a lost reference, due to one code path not taking the extra reference required by cachefiles_bury_object(). The patch adjusts sever...

CVE-2026-43132

CVE-2026-43132 affects the Linux kernel dm-verity component. The issue arises when dm_bufio_client_create() fails inside verity_fec_ctr() and the subsequent call to dm_bufio_client_destroy() uses an ERR_PTR(), causing a crash. Red Hat specifies potential local DoS from this crash; Debian/Root-OS ...

CVE-2026-43154

The CVE-2026-43154 issue affects the Linux kernel EROFS filesystem, where crafted EROFS images with valid volume labels trigger incorrect early exits in volume label handling, leading to folio reference leaks. Affected component is the EROFS implementation in the kernel; root cause is improper co...

CVE-2026-43187

Summary: CVE-2026-43187 affects the Linux kernel XFS freemap handling in xattr leaf entries. The root cause is a bug in the freemap update logic in _leaf_add that can leave behind zero‑length freemap entries with a nonzero base, and later entries could be updated incorrectly so freemap entries ov...

CVE-2026-43191

CVE-2026-43191 concerns the Linux kernel DRM/AMD display path, specifically the PHY FSM transition from TX_EN to PLL_ON for TMDS on DCN35. The issue stems from a backport from DCN401 intended to fix turning off the PHY PLL during TMDS disable, which could cause OTG to hang and affect DCHVM invali...

CVE-2026-43194

CVE-2026-43194 affects the Linux kernel networking stack where an error in handling transmit (xmit) failures for GSO frames can cause a single lost segment within a GSO frame to be misinterpreted as a complete frame loss. The issue arises when devices (e.g., veth) report errors during xmit; TCP m...

CVE-2026-43202

CVE-2026-43202 affects the Linux kernel fbdev vt8500lcdfb driver. The root cause is a memory leak: fbi->fb.screen_buffer is allocated with dma_alloc_coherent() but is not freed on error paths due to missing dma_free_coherent() cleanup. This can exhaust system memory and cause DoS. Multiple OSV...

CVE-2026-43272

CVE-2026-43272 concerns the Linux kernel ring-buffer component. The root cause is an uninitialized pointer in rb_meta_validate_events(), which can be dereferenced during a reader-page validation failure, potentially causing a system crash or instability. The issue is fixed by initializing orig_he...

CVE-2026-43286

The CVE-2026-43286 entry is resolved in the Linux kernel’s hugetlb subsystem (mm/hugetlb). A fix for an underflow in hstate->resv_huge_pages was introduced by commit a833a693a490 to correct fallback behavior for subpools, but it created a new issue where the subpool’s used_hpages could remain ...

CVE-2026-43364

Summary (CVE-2026-43364) : In the Linux kernel ublk subsystem, a local attacker can trigger a NULL pointer dereference by sending UPDATE_SIZE to a ublk device that has been added but not started, or that has been stopped. The root cause is missing state validation in ublk_ctrl_set_size(), which d...

CVE-2026-43375

CVE-2026-43375 concerns the Linux kernel in the MCTP path. A leak occurs during probe failures because the driver saves a reference to the USB device but fails to release it on error paths. The fix drops the redundant device reference to prevent memory leaks when the probe fails, simplifying driv...

CVE-2026-43395

In the Linux kernel, the vulnerability CVE-2026-43395 affects the drm/xe/sync subsystem. During xe_sync_entry_parse(), references (syncobj, fence, chain fence, or user fence) can be allocated before a later failure path is reached, leaving partially initialized state and leaking refs. The fix rou...

CVE-2026-43440

CVE-2026-43440 affects the Linux kernel net/mana driver, where during mana_gd_setup() cleanup a workqueue pointer (service_wq) could remain non-NULL after destroy_workqueue(), leading to a potential use-after-free if the pointer is checked after a failed setup. Connected advisories confirm the ro...

CVE-2026-45854

The CVE-2026-45854 issue affects the Linux kernel crypto stack, specifically the inside-secure/eip93 driver. The root cause is that EIP93’s options register is used to decide which algorithms are registered; currently, all algorithms are unregistered regardless of hardware support. This can cause...

CVE-2026-45896

CVE-2026-45896 affects the Linux kernel driver mtd_intel_dg. The bug occurs when the regions array is indexed before its size (nregions) is set, causing a UBSAN array-index-out-of-bounds in drivers/mtd/devices/mtd_intel_dg.c:750:15. The issue is triggered by accessing regions before nregions is e...

CVE-2026-52941

Summary: CVE-2026-52941 affects the Linux kernel net/smc stack. The smc_msg_event tracepoint used by smc_tx_sendmsg/smc_rx_recvmsg dereferenced conn.lnk unconditionally, causing a NULL pointer dereference when conn.lnk is NULL on SMC-D, leading to a crash. The fix guards against !conn->lnk and...

CVE-2026-52963

CVE-2026-52963 affects the Linux kernel ALSA usb-audio code path, specifically the MIDI endpoint handling in snd_usbmidi_get_ms_info. The vulnerability arises when the descriptor walker returns a class-specific MIDI endpoint with bLength larger than the remaining bytes in the endpoint-extra scan,...

CVE-2026-52971

CVE-2026-52971 affects the Linux kernel ENA (Elastic Network Adapter) driver, specifically the PHC (Precision Time Protocol Hardware Clock) timestamp path get_timestamp. A race exists where phc->active is checked without holding the spinlock and resp is cached from ena_dev->phc.virt_addr be...

CVE-2026-52978

The CVE-2026-52978 issue affects the Linux kernel PSP networking code. The netlink operations dev-set and key-rotate modify sensitive PSP state (version configuration and cryptographic keys) but did not require CAP_NET_ADMIN; access was only checked by psp_dev_check_access() for netns membership....

CVE-2026-53015

The CVE-2026-53015 issue concerns the Linux kernel‑erofs filesystem where the lcn variable was 32‑bit on 32‑bit platforms, risking truncation when calculating large offsets (lcn <

CVE-2026-53021

CVE-2026-53021 affects the Linux kernel SCSI target core (UNMAP bounds check). The root cause is an overflow where LBA + range can wrap on 64-bit overflow, with a fix that adds an overflow check mirroring the pattern used for WRITE_SAME. Publicly noted patches exist across multiple OS families: R...

CVE-2026-53048

CVE-2026-53048 affects the Linux kernel by introducing a NULL pointer dereference in gfs2 during unmount. Specifically, gfs2_log_release() dereferences sdp->sd_jdesc after it has been deallocated, which can occur while flushing outstanding glock work in gfs2_log_flush(). The vulnerability is l...

CVE-2026-53053

The CVE-2026-53053 issue lies in the Linux kernel’s iommu/amd driver where clone_alias() incorrectly uses the wrong device ID (devid) for alias devices, risking propagation of wrong or stale Device Table Entries (DTEs). The fix passes the original pdev as opaque data to both clone_alias() and pci...

CVE-2026-53057

The CVE-2026-53057 entry describes a Linux kernel IOMMU issue for RISCV: after updating DDT/PDT entries, the system must invalidate TLB and context cache entries. The fix adds riscv_iommu_iodir_iotinval() to perform the required IOTINVAL-based invalidations in accordance with the RISC-V IOMMU spe...

CVE-2026-53060

CVE-2026-53060 is a Linux kernel memory-leak in dm_cache_metadata_abort when a root_lock can’t be acquired due to a read-only metadata state. The issue is fixed in updated kernels (e.g., Root’s rootio-linux patches for Ubuntu 22.04/24.04 and related distro advisories). Affected environments shoul...

CVE-2026-53069

The CVE-2026-53069 issue is a Linux kernel null-pointer dereference in the XDP redirect path for bonding devices that have not been fully initialized. Specifically, bond_rr_gen_slave_id() can dereference a NULL rr_tx_counter when XDP redirects reach a bond that was never opened. The fix in xdp_ma...

CVE-2026-53116

The CVE-2026-53116 issue affects the Linux kernel s390/ap driver. A race occurs when AP masks are updated: __ap_revise_reserved() may access the driver_override field without holding a lock, racing with driver_override_store() and potentially causing a Use-After-Free. The fix uses the driver-core...

CVE-2026-53119

CVE-2026-53119 relates to the Linux kernel's platform/wmi driver, where __driver_attach() can trigger the bus match() callback without the device lock held, allowing access to the driver_override field and potential use-after-free. The fix leverages the driver-core driver_override infrastructure ...

CVE-2026-53170

Concrete details confirm a vulnerability in the Linux kernel accel/ethosu driver: cmd_state_init() leaves dma->len at U64_MAX to signal uninitialized length, and dma_length() can wrap a positive stride to a small value, causing a bypass of region checks in ethosu_job.c when userspace omits the...

CVE-2026-53371

The CVE-2026-53371 issue affects the Linux kernel RDMA/ionic driver. It stems from node_desc not guaranteed to be NUL-terminated when 64 bytes are written to the node_desc sysfs file; the ionic hca_type_show() uses an unbounded %s, reading past node_desc into adjacent ib_device fields. The kernel...

CVE-2026-53378

CVE-2026-53378 – Linux kernel DRM colorop blob reference handling fix Affects: Linux kernel DRM colorop component (drm/colorop) across affected kernel releases as described in multiple sources (NVD, Red Hat, Debian, UBUNTU OSV records). Root cause: The colorop state blob property handling leaked ...

CVE-2026-53391

CVE-2026-53391 affects the Linux kernel NFSv4/pNFS code. The nfs4_decode_mp_ds_addr decoder can dereference NULL when an on-wire r_addr opaque has zero length, because xdr_stream_decode_string_dup() may yield NULL and the code then calls strrchr(NULL, '.') leading to a kernel NULL pointer derefer...

CVE-2026-53395

Summary (concrete details from provided documents): CVE-2026-53395 affects the Linux kernel NFS server (nfsd). In nfsd4_create, the code steals create->cr_dpacl/cr_pacl into a local nfsd_attrs via a designated initializer and then nils the source pointers. The subsequent conflict guard tests t...

CVE-2026-63802

CVE-2026-63802 affects the Linux kernel’s blk-cgroup code. The vulnerability is a use-after-free that can occur when multiple blkgs in the same blkcg are released concurrently. The race happens as __blkcg_rstat_flush() can remove another blkg’s iostat entries via llist_del_all(), leading the seco...

CVE-2026-64115

CVE-2026-64115 affects the Linux kernel’s vsock/vmci component. The issue is a Use-After-Free caused when a peer resets a connection during the handshake, leading to a pending socket remaining in a listener’s pending list and the possibility of a crash/DoS. Root cause: vmci_transport_recv_connect...

CVE-2026-64222

CVE-2026-64222 affects the Linux kernel on OcteonTX2/CN20K: a double-free in pool->stack during AQ pool init cleanup. The otx2_pool_aq_init() path frees pool->stack on mailbox sync/retry failure but doesn’t null the pointer, causing otx2_sq_aura_pool_init() cleanup (via otx2_aura_pool_free(...