CVE-2026-46182

The CVE-2026-46182 issue affects the Linux kernel component pseries/papr-hvpipe . The root cause is that a local kernel stack variable hdr (papr_hvpipe_hdr) is allocated on the stack and only hdr.version and hdr.flags are initialized, leaving reserved padding bytes uninitialized. When copied to u...

CVE-2026-46181

Summary: CVE-2026-46181 concerns the Linux kernel RDMA/mlx4 component. The root cause is improper use of Read-Copy Update (RCU) in mlx4_srq_event(), which could allow a race where an event is delivered before the srq object is fully initialized, potentially crashing the system. The documented fix...

CVE-2026-46179

In CVE-2026-46179, the Linux kernel ASoC SOF subsystem is vulnerable to a divide-by-zero when reporting the pointer for a compressed stream if stream parameters are unconfigured. The bug arises from dividing the I/O frame position by (channels × container bytes), which defaults to zero until stre...

CVE-2026-46180

CVE-2026-46180 concerns a use-after-free in wifi brcmfmac when stopping the watchdog task in the Linux kernel. The vulnerability is addressed by increasing the watchdog task reference count before send_sig() and then dropping it with kthread_stop_put(). Connected OSV entries show patches in Root:...

CVE-2026-46178

The CVE-2026-46178 entry concerns the Linux kernel RDMA/mlx4 component. A resource leak could occur during error handling in mlx4_ib_create_srq(), because mlx4_srq_alloc() was not undone during error unwinding. The fix adds a call to mlx4_srq_free() to properly release the resource when an error ...

CVE-2026-46177

The CVE-2026-46177 issue affects the Linux kernel IPMI driver. It describes a vulnerability where the driver could continuously fetch events and receive messages from the BMC (or become stuck) due to the BMC not signaling completion or the attn bit getting stuck. The documented fix limits event/m...

CVE-2026-46176

The CVE-2026-46176 issue affects the Linux kernel RDMA mlx5 path (mlx5_ib_dev_res_srq_init): when ib_create_srq() fails for s1, the error path can end up with freed s0 and ERR_PTR s1 assigned to devr->s0/devr->s1, leading to use-after-free/double-free risk in subsequent access. The fix adds...

CVE-2026-46175

Summary of CVE-2026-46175 (f2fs FGGC issue) : In the Linux kernel’s f2fs filesystem, Foreground Garbage Collection (FGGC) of node blocks could leave the fsync and dentry marks uncleared, causing fsck to misinterpret migrated data as fsync-written. The root cause is that the marks were not cleared...

CVE-2026-46174

In CVE-2026-46174, the Linux kernel vulnerability affects x86/CPU/AMD Zen2 by allowing improper isolation of shared resources in the Zen2 op cache, potentially leading to instruction corruption. The issue has been resolved in the Linux kernel, with Debian and Root packaging advisories noting fixe...

CVE-2026-46173

CVE-2026-46173 concerns the Linux kernel. The issue arises when an already-exiting task oopses and make_task_dead() calls do_task_dead() with preemption enabled, while __schedule() must be called with preemption disabled. If a preempted oopsing task is still in the dead-state, finish_task_switch(...

CVE-2026-46172

** CWE-XXXX**: CVE-2026-46172 affects the Linux kernel IPv6 xfrm6 path. The issue occurs in xfrm6_rcv_encap() during an IPv6 route lookup when a dst is not yet attached; ip6_route_input_lookup() can return a dst with an error, and if dst->error is set, the skb is dropped without attaching/rele...

CVE-2026-46170

CVE-2026-46170 affects the Linux kernel MPTCP implementation. When ADD_ADDR is retransmitted, the socket reference counting can fail to free the sk, which may trigger indefinite waiting in timer synchronization and cause a DoS. The root cause is improper timer handling during sk_free that could c...

CVE-2026-46171

The CVE-2026-46171 issue affects the Linux kernel KVM for RISCV, where a second kzalloc failure in kvm_riscv_vcpu_alloc_vector_context leaks the first allocation (guest_context.vector.datap). The root cause is a vector context allocation leak that can degrade system stability if not freed. A fix ...

CVE-2026-46169

The CVE-2026-46169 case concerns the Linux kernel HFS Plus (HFS+) filesystem. The root cause is that hfs_brec_read() validates only that entrylength fits a buffer but does not confirm that the on-disk catalog record size matches the expected type, allowing partial reads on corrupted filesystems. ...

CVE-2026-46168

The CVE-2026-46168 issue affects the Linux kernel's multipath TCP (mptcp) scheduling around timestamp sockopts. The root cause is using lock_sock_fast() (atomic context) around sock_set_timestamp() and sock_set_timestamping(), which can sleep and cause atomic-context issues. The published fixes r...

CVE-2026-46167

CVE-2026-46167 – Linux kernel usb/usblp heap leak : The vulnerability stems from an uninitialized status buffer (statusbuf) allocated at probe time for LPGETSTATUS. If a malicious printer returns zero bytes, a stale 8-byte heap region could be copied to userspace via LPGETSTATUS, causing a heap l...

CVE-2026-46166

The CVE-2026-46166 affects the Linux kernel’s wireless subsystem (mac80211) in the radar detect work. The root cause is unsafe list iteration during radar processing, where ieee80211_dfs_cac_cancel can free the iterated chanctx and remove it from the list, causing a slab-use-after-free. A guarded...

CVE-2026-46165

CVE-2026-46165 affects the Linux kernel openvswitch vport code, where a self-deadlock could occur on tunnel port release due to improper ordering between RCU callbacks and RTNL/normally synchronized code paths. The root cause: vports are protected by RCU and must have netdev_put() after the RCU g...

CVE-2026-46164

CVE-2026-46164 affects the Linux kernel's btrfs subsystem. The vulnerability is a double-free in create_space_info_sub_group() when kobject_init_and_add() fails, causing the sub_group to be freed twice as the error path unwinds. The call chain is: create_space_info_sub_group() → btrfs_sysfs_add_s...

CVE-2026-46163

CVE-2026-46163 concerns the Linux kernel wifi subsystem (b43legacy) where a firmware-controlled key index in b43legacy_rx() could exceed dev->max_nr_keys, allowing an out-of-bounds read of dev->key[]. The fix makes the bounds check enforcing by dropping frames with invalid indices. Patches ...

CVE-2026-46162

CVE-2026-46162 affects the Linux kernel ice driver. The vulnerability is a double free in the error path of ice_sf_eth_activate() : when auxiliary_device_add() fails, execution jumps to the auxiliary device uninit path, the device release callback frees the device, but the code then falls through...

CVE-2026-46161

CVE-2026-46161 affects the Linux kernel md/raid10 code: setup_geo() may divide by zero when fc (far copies) is 0, since it derives geo->far_set_size from disks/fc without validating zero. The fix validates nc and fc after extraction and returns -1 if either is zero. Connected OSV entries show ...

CVE-2026-46160

CVE-2026-46160 concerns the Linux kernel’s Btrfs filesystem: when removing a directory, last_unlink_trans is not updated, which can lead to incorrect fsync behavior if a directory with an open file descriptor is fsynced after removal. This can cause log replay during mount to fail with -EIO, pote...

CVE-2026-46159

The CVE-2026-46159 issue affects the Linux kernel’s Btrfs code, specifically btrfs_ioctl_space_info(). A TOCTOU race occurs between two passes over block group RAID type lists: the first pass counts entries for allocation, the second fills the buffer and releases the groups_sem lock. If entries s...

CVE-2026-46158

The CVE-2026-46158 issue is in the Linux kernel MPTCP implementation: when ADD_ADDR is retransmitted, the socket reference count may not be released reliably, creating a potential resource leak. The fix adds a proper exit path to call sock_put (__sock_put) at the end of the handling and removes a...

CVE-2026-46156

CVE-2026-46156 affects the Linux kernel LoongArch implementation, specifically loongson_gpu_fixup_dma_hang(), where the code may read device registers using an incorrect base (base+PCI_DEVICE_ID) when a discrete GPU is present. This causes ADE and can trigger a kernel panic, leading to local DoS....

CVE-2026-46157

The CVE-2026-46157 entry concerns the ALSA PCM OSS subsystem in the Linux kernel, where runtime.oss.trigger could be accessed concurrently without protection, causing a data race on a bit field and risking corruption of adjacent fields. The issue is addressed by extending the existing params_lock...

CVE-2026-46155

CVE-2026-46155 affects the Linux kernel SMB client. The vulnerability is an out-of-bounds read in smb2_compound_op() caused by memcpy reading size[0] (OutputBufferLength) when iov_len is smaller than that length after a truncated server response. This can leak adjacent kernel heap memory. Impact ...

CVE-2026-46154

CVE-2026-46154 affects the Linux kernel sched_ext functionality. Root cause: in cgroup setters, scx_group_set_{weight,idle,bandwidth}() cache the scx_root before acquiring scx_cgroup_ops_rwsem, enabling a window where the pointer can become stale if a scheduler is disabled and freed (via RCU) and...

CVE-2026-46153

CVE-2026-46153 affects the Linux kernel 8021q VLAN code. The vulnerability arises because vlan_dev_set_egress_priority() kept cleared egress priority mappings as tombstones in a hash, allowing repeated set/clear cycles with different skb priorities to accumulate nodes and cause memory leakage. Th...

CVE-2026-46152

CVE-2026-46152 affects the Linux kernel’s wifi/mac80211 subsystem. The root cause is that ieee80211_invoke_fast_rx() uses a static per-invocation rx_result, causing concurrent callers to share a single instance and potentially overwrite results between ieee80211_rx_mesh_data() and the switch on r...

CVE-2026-46151

CVE-2026-46151 affects the Linux kernel USB printer driver usblp, causing a heap leak in IEEE 1284 device ID handling due to short GET_DEVICE_ID responses. The issue stems from usblp_ctrl_msg() discarding actual bytes and usblp_cache_device_id_string() trusting a 2‑byte length prefix, exposing st...

CVE-2026-46150

The CVE-2026-46150 issue affects the Linux kernel fanotify subsystem. It arises because fsnotify_get_mark_safe() may return false for a mark in an unrelated group, bypassing the permission check. The fix patches the logic to skip detached marks that are not in the current group, mitigating the by...

CVE-2026-46149

Summary: CVE-2026-46149 affects the Linux kernel SCSI target subsystem, specifically the configfs path in tg_pt_gp_members_show(). The function formats LUN paths with snprintf() into a 256-byte stack buffer and then copies cur_len bytes via memcpy(), but snprintf() may return a length that exceed...

CVE-2026-46148

CVE-2026-46148 concerns the Linux kernel’s microchip-core-qspi driver where the built-in chip select could be driven active when multiple devices share the QSPI controller, potentially conflicting with GPIO-based CS. The provided records confirm a concrete fix: the driver now controls chip select...

CVE-2026-46147

CVE-2026-46147 concerns the Linux kernel KVM on ARM64, where two bugs in vCPU initialisation can leak pin references to host vCPU/SVE pages and allow observation of a partially initialised vCPU object. The fixes extract a helper for vCPU registration, ensure proper unpinning on error, and enforce...

CVE-2026-46146

CVE-2026-46146 affects the Linux kernel's ALSA USB audio stack, specifically the convert_chmap_v3() routine. A loop uses cs_desc->wLength for increment but this value isn’t validated, allowing a potential endless loop with malformed descriptors. The issue is resolved by adding a proper size ch...

CVE-2026-46145

The CVE-2026-46145 vulnerability affects the Linux kernel, specifically the RDMA/mana component. A user-supplied rx_hash_key_len value supplied via a uAPI structure is blindly passed to memcpy, enabling localized kernel memory corruption if bounds checks are not enforced. Reports from multiple so...

CVE-2026-46144

The CVE-2026-46144 entry concerns the Linux kernel RDMA mana driver. A resource leak occurs during error unwind in mana_ib_create_qp_rss(), where mana_ib_cfg_vport_steering() is not properly cleaned up; this could cause resource exhaustion (DoS). The issue has been fixed in the kernel (patched), ...

CVE-2026-46143

The CVE-2026-46143 issue affects the Linux kernel’s ASoC component, specifically qcom: q6apm-lpass-dai. Root cause: prepare may be invoked multiple times, causing multiple graph opens in the playback path and resulting memory leaks. Mitigation in the public documents is a patch that adds a check ...

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-2026-46141

The CVE-2026-46141 entry concerns a Linux kernel kmemleak memory leak in the powerpc/xive interrupt controller. When MSI‑X vectors are allocated for NVMe devices, the kernel stores per‑irq data in irq_data->chip_data. After a commit that untangled XIVE from child interrupt controllers, xive_ir...

CVE-2026-46140

CVE-2026-46140 affects the Linux kernel Bluetooth btmtk driver. The wmt event handling in btmtk_usb_hci_wmt_sync() casts SKB data to btmtk_hci_wmt_evt structures (7/9 bytes) without ensuring sufficient payload, risking out-of-bounds reads from SKB tailroom when a short firmware response is receiv...

CVE-2026-46139

CVE-2026-46139 covers the Linux kernel SMB client: when building an ACL descriptor in build_sec_desc(), a kzalloc-based allocation fix was introduced to zero-initialize the security descriptor buffer, replacing a previous kmalloc path. The change splits struct smb_acl's __le32 num_aces into __le1...

CVE-2026-46138

The CVE-2026-46138 issue affects the Linux kernel Bluetooth subsystem, specifically hci_le_create_big_complete_evt. A loop over BT_BOUND connections for a BIG handle may access ev->bis_handle[i++] without ensuring i

CVE-2026-46137

CVE-2026-46137 affects the Linux kernel MPTCP implementation. The mptcp_pm_add_timer() helper runs as a timer callback in softirq context and can race with socket state unless the socket lock is held with bh_lock_sock(). The mitigation is to hold the lock and retry if the socket is in use, mirror...

CVE-2026-46136

CVE-2026-46136 affects the Linux kernel wifi driver mt7921 (mt76) where a buf_len underflow in the country power setting retrieval can occur after changes to the CLC power table. This underflow may cause an almost infinite loop or an invalid power setting, leading to driver initialization failure...

CVE-2026-46135

CVE-2026-46135 affects the Linux kernel nvmet-tcp (NVMe over TCP). A race between ICReq handling and target‑side queue teardown can transition queue state in a non‑serialized way, potentially allowing a second teardown path and a re‑entry after a disconnect, including a possible double free scena...

CVE-2026-46134

CVE-2026-46134 affects the Linux kernel cros_ec_typec component. The root cause is that cros_typec_register_thunderbolt() failed to initialize the adata->lock mutex, leading to a NULL dereference when the mutex is later acquired (for example in cros_typec_altmode_work). The issue is mitigated ...

CVE-2026-46132

CVE-2026-46132 - Linux kernel on multiple distros : The flaw is a stack information leak in net/rtnetlink when reporting VF info via IFLA_VF_BROADCAST. A local unprivileged process can trigger RTM_GETLINK and copy a partially uninitialized 32-byte field (vf_broadcast) from the stack, leaking up t...