CVE-2026-31579

The CVE-2026-31579 issue affects the Linux kernel’s WireGuard integration where wg_netns_pre_exit() manually acquired rtnl_lock(), risking a hung task when another thread holds the RTNL mutex. The vulnerability is mitigated by moving the cleanup to the .exit_rtnl hook (which the framework already...

CVE-2026-31596

CVE-2026-31596 affects OCFS2 in the Linux kernel. The vulnerability stems from ocfs2_group_extend assuming a validated global bitmap inode block from ocfs2_inode_lock(), and BUG_ON() when the signature isn’t a dinode. A crafted filesystem can bypass structural validation via the JBD2 path, leadin...

CVE-2026-31650

The CVE concerns the Linux kernel mmc vub300 driver. The root cause is a use-after-free risk from device-managed controller allocation and a lifetime tie to the parent USB device rather than the interface, which can cause memory leaks if the driver is unbound without a disconnect. A last referenc...

CVE-2026-31675

CVE-2026-31675 — Linux kernel netem out-of-bounds in packet corruption The issue arises in net/sched: sch_netem where the packet corruption logic selects an index into skb->data using get_random_u32_below(skb_headlen(skb)). For AF_PACKET TX_RING sending fully non-linear packets over an IPIP tu...

CVE-2026-31678

CVE-2026-31678 – Linux kernel Open vSwitch tunnel netdev handling fix. The issue arose when ovs_netdev_tunnel_destroy() could run after NETDEV_UNREGISTER detached the device, risking a race as it dropped the netdev reference while readers still observed vport->dev. The resolution is to not rel...

CVE-2026-31698

CVE-2026-31698 affects the Linux kernel crypto CCP Sev driver. The issue arises when retrieving the PDH certificate: if a firmware command fails with an invalid length, the driver may copy data to userspace, causing a kernel-allocated buffer overflow and potential data leakage to the local user. ...

CVE-2026-31739

CVE-2026-31739 affects the Linux kernel tegra crypto driver. The driver failed to set CRYPTO_ALG_ASYNC on asynchronous algorithms, causing the crypto API to select async paths for users requesting synchronous operations, potentially causing crashes. Mitigation implemented in the patch: explicitly...

CVE-2026-31768

The CVE-2026-31768 issue affects the Linux kernel driver iio: adc: ti-adc161s626, where SPI read operations used non-DMA-safe stack memory. The mitigation is to allocate a DMA-safe buffer and perform spi_read() into that buffer, replacing stack-based buffers. Since the read would require only up ...

CVE-2026-43039

CVE-2026-43039 concerns the Linux kernel icssg-prueth driver. In ZC RX dispatch, emac_dispatch_skb_zc() allocates a new skb via napi_alloc_skb() but fails to copy the received packet data from the XDP buffer, causing uninitialized heap memory to be passed up the stack and potentially leaking kern...

CVE-2026-43042

The CVE-2026-43042 issue affects the Linux kernel MPLS code. It describes a race condition where concurrent operations on platform label data can yield an inconsistent view during a resize of the platform_label tables, particularly in the RCU-protected paths mpls_forward and mpls_dump_routes unde...

CVE-2026-43075

The CVE-2026-43075 issue affects the Linux kernel’s ocfs2 filesystem code. A corrupted ocfs2 filesystem mounted on a loop device could trigger an out-of-bounds write in ocfs2_write_end_inline during a copy_file_range splice fallback, caused by trusting on-disk id_count to fit inline data. The roo...

CVE-2026-43087

The CVE-2026-43087 issue affects the Linux kernel’s pinctrl/mcp23s08 driver. Root cause: during probe, reg_defaults were removed from the regmap, causing the MCP_GPINTEN value to be read from the chip (possibly non-zero) and trigger a nested IRQ handler that may not exist, leading to a kernel cra...

CVE-2026-43094

CVE-2026-43094 affects the Linux kernel ixgbevf driver on Hyper-V VMs. The root cause is a missing negotiate_features callback in the Hyper-V mac_ops table, causing ixgbevf_negotiate_api() to dereference a NULL hw->mac.ops.negotiate_features() during feature negotiation. This can lead to a NUL...

CVE-2026-43097

CVE-2026-43097 affects the Linux kernel PCI Hyper-V driver. During error handling in hv_pci_probe, the domain_nr is freed twice: first via pci_bus_release_emul_domain_nr(), and again when the bridge release callback pci_release_host_bridge_dev() runs during cleanup, leading to ida_free on an unal...

CVE-2026-43123

Summary: CVE-2026-43123 affects the Linux kernel’s fbcon component. The root cause is a missing return-value check in con2fb_acquire_newinfo(); if fbcon_open() fails during this call, info->fbcon_par may be NULL and dereferenced, potentially crashing the system. The provided documents indicate...

CVE-2026-43170

CVE-2026-43170 affects the Linux kernel USB DWC3 gadget driver. The vulnerability arises when dwc3_gadget_vbus_draw() is called from atomic context and may invoke PMIC APIs that sleep, risking kernel panic. The fix moves vbus_draw to a workqueue context, mitigating sleep in atomic operations. Aff...

CVE-2026-43332

In the Linux kernel thermal subsystem, CVE-2026-43332 affects the thermal_zone_device_register_with_trips() error path. The root cause is a missing wait_for_completion() after registering a thermal zone device, which can allow the thermal zone object to be freed prematurely if user space holds a ...

CVE-2026-43356

The CVE-2026-43356 issue affects the Linux kernel IIO ADIS IMU drivers (e.g., adis16480, adis16490, adis16545). In adis_init(), the code dereferences adis->ops to inspect function pointers without first verifying that adis->ops itself is non-NULL, leading to a NULL pointer dereference durin...

CVE-2026-43363

CVE-2026-43363 concerns the Linux kernel x86 APIC subsystem. If, on resume from s2ram (S2/S3 wake), firmware re-enables x2APIC mode after the kernel has booted with x2APIC disabled, the system can run with x2APIC hardware but the kernel uses the xapic interface, leading to hangs. The issue is cau...

CVE-2026-43374

Summary: CVE-2026-43374 affects the Linux kernel networking code (net: nexthop). The vuln arises when removing a nexthop from a group: remove_nh_grp_entry() publishes the new group via rcu_assign_pointer() and then immediately frees the removed entry’s percpu stats with free_percpu(), while the s...

CVE-2026-43420

CVE-2026-43420 describes a race in Ceph/Linux kernel unlink handling where i_nlink is decremented before completion of async unlink, risking underrun if the updated i_nlink becomes zero. The root cause is updating i_nlink without proper synchronization between ceph_unlink() and MDS responses; the...

CVE-2026-43424

The CVE concerns the Linux kernel USB gadget f_tcm nexus handling. The tpg->tpg_nexus pointer used by the BOT command/data paths can be NULL during race windows (before nexus is established or after it’s dropped). Dereferencing tv_nexus->tvn_se_sess without a NULL check leads to a kernel pa...

CVE-2026-43431

In the Linux kernel xHCI host controller driver, CVE-2026-43431 stems from a NULL pointer dereference when reading portli debugfs files. The bug occurs if xhci->max_ports counts more port registers than the number reported by Supported Protocol capabilities, which can happen when max_ports exc...

CVE-2026-43457

CVE-2026-43457 affects the Linux kernel MCTP over I2C receive path. When midev->allow_rx is false, a newly allocated skb is not consumed by netif_rx() and must be freed directly, otherwise a memory leak can occur leading to potential DoS through memory exhaustion. The available connected sourc...

CVE-2026-43474

CVE-2026-43474 concerns the Linux kernel’s fuse filesystem. A local uninitialized-value bug was reported in fuse_fileattr_get, triggered when calling vfs_fileattr_get, due to not initializing flags_valid before the call. The issue is resolved by initializing the kernel’s internal file_kattr struc...

CVE-2026-45888

In the Linux kernel md/raid1 subsystem, CVE-2026-45888 describes a memory leak in raid1_run(): when setup_conf() registers a thread via md_register_thread(), a subsequent failure in raid1_set_limits() may leave the thread registered, leaking the md_thread structure and the thread resource. The fi...

CVE-2026-45922

In CVE-2026-45922, the Linux kernel RDMA/mlx5 GET_DATA_DIRECT_SYSFS_PATH handler leaks memory: it allocates device-path memory with kobject_get_path() and, if the path length exceeds the output buffer, returns -ENOSPC without freeing, causing a memory leak. The fix adds a kfree() in the error pat...

CVE-2026-45927

The CVE-2026-45927 issue affects the Linux kernel BPF subsystem. bpf_map_get_info_by_fd caches the hash of a map regardless of its frozen state, enabling a TOCTOU where a trusted loader could compare an older hash after a map is modified but before freezing. The fix returns -EPERM when the hash i...

CVE-2026-45974

Summary: CVE-2026-45974 affects the Linux kernel btrfs quota handling. A logic error in btrfs_quota_enable() can cause invalid leaf access if the search key is not found, potentially allowing instability or DoS. The root cause is improper handling when btrfs_search_slot_for_read() returns 1 (no k...

CVE-2026-46008

CVE-2026-46008 relates to the Linux kernel DAMON subsystem. The race occurs between daño_walk() registration and damon_ctx->kdamond unset, potentially causing deadlocks when a kdamond_fn() loop exits. The fix introduces a new damon_ctx field, walk_control_obsolete, protected by walk_control_lo...

CVE-2026-46010

CVE-2026-46010 affects the Linux kernel's rxrpc component. The root cause is missing error handling in rxgk_extract_token(): if rxgk_decrypt_skb() returns -ENOMEM, the function should return that error instead of proceeding, which can lead to an abort. Several advisories state the vulnerability c...

CVE-2026-46100

CVE-2026-46100 concerns the Linux kernel AFS subsystem where a change to mmap_prepare() could leak a refcount when a merge or allocation failure occurs after the call. The public descriptions across multiple sources indicate a partial revert of the change that converted generic_file_mmap() users ...

CVE-2026-46104

Linux kernel CVE-2026-46104 affects SELinux socket permission helpers. The vulnerability arises because sock_has_perm() and nlmsg_sock_has_extended_perms() dereference sk->sk_security directly, assuming the SELinux socket blob is at offset zero. In stacked LSM configurations this assumption fa...

CVE-2026-46142

The CVE-2026-46142 issue affects the Linux kernel’s net: libwx code, where reading the PF-restricted WX_CFG_PORT_ST register during VF initialization can trigger an illegal register access, potentially causing a system hang. The root cause is that a VF’s bus function ID can be read directly from ...

CVE-2026-46258

The CVE-2026-46258 issue is in the Linux kernel’s gpio: cdev module, where in linehandle_create() a NULL dereference could occur when lh is dereferenced after a retain_and_null_ptr(lh). The vulnerability is resolved by avoiding the dereference and using handlereq.lines, which holds the same value...

CVE-2026-46263

CVE-2026-46263 is a Linux kernel issue in drm/amd/display where eng_id may index stream_enc_regs beyond its 5-element size, causing out-of-bounds access. The fix adds an explicit bounds check (using ARRAY_SIZE) before indexing stream_enc_regs[eng_id], preventing access when eng_id is ENGINE_ID_DI...

CVE-2026-52936

The CVE-2026-52936 vulnerability affects the Linux kernel’s jitterentropy path. Specifically, jent_kcapi_random() serialized the shared jitterentropy state while holding a spinlock during jent_read_entropy(), causing contention and stalls due to expensive entropy collection and SHA3 conditioning....

CVE-2026-52950

The CVE-2026-52950 issue affects the Linux kernel DRM/XE DMA-BUF path. The vulnerability is a Use-After-Free in the retry loop where a buffer object could be freed on error, potentially leading to memory corruption. The documented fix changes the sequence to allocate and initialize before the att...

CVE-2026-53010

The CVE-2026-53010 vulnerability is in the Linux kernel ksmbd component. In smb2_open during a durable reconnect, a reference to the durable file descriptor is dropped too early (ksmbd_put_durable_fd(fp)), risking a use-after-free when error handling or scavenger access occurs (fp fields like cre...

CVE-2026-53018

CVE-2026-53018 affects the Linux kernel f2fs filesystem. The issue occurs during garbage collection when a page has been moved and updated, but the system re-reads it from an outdated location, triggering a kernel BUG in mm/filemap.c and potentially a DoS. The vulnerability is addressed by a comm...

CVE-2026-53066

CVE-2026-53066 affects the Linux kernel DRM sun4i backend. The flaw is that drm_atomic_get_plane_state() may return an error pointer which is not checked in sun4i_backend_atomic_check(), allowing a dereference of ERR_PTR() and potential kernel instability. Public details cite a fix in the kernel ...

CVE-2026-53077

The vulnerability CVE-2026-53077 affects the Linux kernel RDS/IB code: it restricted usage to the initial network namespace, with the non-initial namespaces not supported and the existing code likely malfunctioning. Multiple advisories note the issue has been resolved/patched (e.g., Debian/Ubuntu...

CVE-2026-53082

CVE-2026-53082 is a patch-level vulnerability resolved in the rootio-linux component. Connected OSV entries confirm patches across multiple distros: Root (Debian 12 and 11 variants) with multiple fixed versions, Root’s Ubuntu 22.04 release, and accompanying Debian/Ubuntu OSV advisories. In short,...

CVE-2026-53095

CVE-2026-53095 concerns the Linux kernel BPF subsystem. The issue arises from abuse of the kprobe_write_ctx setting via freplace: an uprobe/kprobe combination can attach a freplace program to a kprobe, enabling modification of kernel function arguments (notably the first argument in struct pt_reg...

CVE-2026-53102

The CVE-2026-53102 issue affects the Linux kernel wifi MT76 driver. It describes a memory leak in skb handling inside mt76_connac_mcu_alloc_sta_req(): if mt76_connac_mcu_sta_wed_update() or mt76_connac_mcu_sta_key_tlv() fail before mt76_mcu_skb_send_msg() completes, the allocated skb is leaked. T...

CVE-2026-53123

Technical details for CVE-2026-53123 are not provided in the supplied documents. Monitor for updates.

CVE-2026-53132

CVE-2026-53132 affects the Linux kernel vsock/virtio, where receiving zero-length packets with VIRTIO_VSOCK_SEQ_EOM could cause an unbounded skb queue growth, exhausting memory. The root cause is a miscalculation of backlog: vvs->rx_bytes + len > vvs->buf_alloc allows large queues when l...

CVE-2026-53145

Summary of CVE-2026-53145 (Linux kernel drm/gem change_handle race) : A race between gem_close and gem_change_handle ioctls in the DRM GEM subsystem was addressed but not cleanly fixed initially. The root cause involved confusion around the local handle variable (which is the new handle) and seve...

CVE-2026-53149

CVE-2026-53149 affects the Linux kernel Thunderbolt code path, where __tb_property_parse_dir() may read beyond the root directory block due to missing bounds checks on content_offset/content_len. The issue could allow reading past a directory block, with high impact to confidentiality and availab...

CVE-2026-53173

Summary (concrete details from provided docs): The Linux kernel component accel/ethosu contains an OOB write in ethosu_gem_cmdstream_copy_and_validate(). A local user can trigger by supplying a crafted command stream, causing memory corruption and potential instability. The issue arises in a pars...