CVE-2024-26668

CVE-2024-26668 – technical insight The Linux kernel netfilter nft_limit: reject configurations that cause integer overflow (CVE-2024-26668) fixes an overflow when the internal token counter wraps on extremely large requests (notably at very high throughput, e.g., ~17 GB/s). The vulnerability aris...

CVE-2024-26945

CVE-2024-26945 affects the Linux kernel crypto: iaa code. The root cause is when nr_cpus = 1 when nr_iaa > 0 or when nr_iaa == 0. If exploitation details or versioned fixes are needed, refer to the kernel patch references in the CVE record.

CVE-2024-35969

Summary (CVE-2024-35969): A race in IPv6 handling in the Linux kernel between ipv6_get_ifaddr and ipv6_del_addr can cause use-after-free scenarios. When an entry is removed from inet6_addr_lst under RCU, ipv6_get_ifaddr may still return that entry and attempt to increment its reference, leading t...

CVE-2024-36967

CVE-2024-36967 - Normal details available The Astra Linux bulletin and IBM/Kern sources confirm a Linux kernel vulnerability CVE-2024-36967 related to a memory leak in KEYS trusted: tpm2_key_encode() where the 'scratch' buffer was not freed. The bug is resolved by freeing scratch on both success ...

CVE-2024-39491

CVE-2024-39491: In the Linux kernel ALSA: hda cs35l56 driver, the cs_dsp instance was created in probe() but could be used after a remove/rebind cycle, as cs_dsp_remove() was only called on the unbind path and not on error paths. The fix initializes cs_dsp in probe() so failure can be detected ea...

CVE-2024-39506

CVE-2024-39506 (Linux kernel) : The issue arises in the liquidio driver path within lio_vf_rep_copy_packet(), where pg_info->page is compared to NULL but then unconditionally passed to skb_add_rx_frag(), risking a NULL pointer dereference. The problem trace shows the path from octeon_droq_proc...

CVE-2024-40919

CVE-2024-40919 discusses a Linux kernel bnxt_en issue where a released token (token->state == BNXT_HWRM_DEFERRED) could be logged while the token pointer had already been NULL, risking a NULL pointer dereference. The fix implemented is to add a token pointer check before using the token in log...

CVE-2024-41079

CVE-2024-41079 concerns the Linux kernel’s NVMe target controller (nvmet). The issue is that the first two double words, the “results” for a command queue entry, were not consistently initialized to 0 when unused, creating a potential information leak for RDMA clients. The patch standardizes beha...

CVE-2024-42114

CVE-2024-42114 : Linux kernel vulnerability in wifi cfg80211 code where NL80211_ATTR_TXQ_QUANTUM values were not properly validated, enabling a local attacker to trigger soft lockups/DoS by setting TXQ_QUANTUM to 2^31. The issue is tied to lack of proper range checks in nl80211.c and parallels a ...

CVE-2024-42258

CVE-2024-42258 affects the Linux kernel MM subsystem (mm: huge_memory) and is mitigated by relaxing huge page alignment on 32-bit machines when !CONFIG_64BIT is set. The fixed commit (4ef9ad19e176) corrected the previous behavior that didn’t apply cleanly to x86_32 due to CONFIG_X86_32 vs CONFIG_...

CVE-2024-42315

CVE-2024-42315 – exFAT deadlock fix in Linux kernel . The issue occurs when exposing a file with entries exceeding ES_MAX_ENTRY_NUM, where the bh-array is allocated with GFP_KERNEL inside __exfat_get_dentry_set, potentially causing a deadlock on sbi->s_lock between processes. The fix changes t...

CVE-2024-43846

CVE-2024-43846 is a Linux kernel vulnerability in the lib: objagg component that could trigger a general protection fault. The issue occurs because nesting of aggregated objects is disallowed when there is no parent, but the hints-based aggregation path lacked a check, violating the nesting assum...

CVE-2024-44965

CVE-2024-44965 is a Linux kernel vulnerability where pti_clone_pgtable() made alignment assumptions (PMD alignment) on the start address, which is valid on x86_64 but not on i386, causing the end condition to malfunction and potentially a short clone of user mappings. The issue could lead to trap...

CVE-2024-46747

CVE-2024-46747 : In the Linux kernel, the Cougar 500k Gaming Keyboard driver was vulnerable to a slab-out-of-bounds Read in cougar_report_fixup due to a missing verification of the report descriptor size before access. The root cause is in report_fixup not validating the descriptor length prior t...

CVE-2024-50078

Summary of CVE-2024-50078 (Linux kernel) : The Bluetooth subsystem may fail to call iso_exit() when a module is unloaded after iso_init() has been invoked, leaving the proto registered with proto_register() in an invalid state. This can trigger kernel list corruption bugs and an eventual kernel o...

CVE-2024-56727

Technical details for CVE-2024-56727 are not provided in the connected documents. No affected product/version or remediation is disclosed here. Monitor for updates.

CVE-2024-56772

The CVE-2024-56772 entry describes a use-after-free in Linux kernel kunit: in kunit_debugfs_create_suite(), if alloc_string_stream() fails during kunit_suite_for_each_test_case(), suite->log has already been assigned and the error path frees the stream but does not NULL the pointer. This leads...

CVE-2024-57911

In CVE-2024-57911, a Linux kernel vulnerability in iio: dummy caused potential information leakage via a triggered buffer. The data buffer allocated with kmalloc() was not initialized for inactive channels, risking uninitialized data being pushed to userspace. The root cause is that iio_for_each_...

CVE-2024-58071

CVE-2024-58071 describes a Linux kernel bug in the team subsystem where adding a device that is already a lower of another device (e.g., veth0 lower than vlan1) could trigger recursive locking and potential deadlock. The provided evidence shows a stack trace and lockdep warning indicating two loc...

CVE-2025-21735

CVE-2025-21735 affects the Linux kernel NFC (nci) component, specifically nci_hci_create_pipe(). The pipe value is a net-sourced u8; if it exceeds 127, it can cause memory corruption in the caller, nci_hci_connect_gate(), per the advisory. The description confirms the issue has been resolved in t...

CVE-2025-21871

Summary of CVE-2025-21871 (Linux kernel): The vulnerability arises in the OP-TEE subsystem where the supplicant wait loop can cause a hang if the supplicant is hung/crashed/killed during an OP-TEE RPC, especially with shutdown ordering issues between the supplicant and the OP-TEE client. The fix ...

CVE-2025-21905

CVE-2025-21905 refers to a Linux kernel issue in the iwlwifi path where a printed string from a firmware TLV could read beyond the buffer due to missing NUL-termination. The root cause is printing beyond the end of the TLV if the file isn’t NUL-terminated, potentially reading past the file buffer...

CVE-2025-22005

The CVE-2025-22005 issue, fixed in the Linux kernel, is a memleak in nhc_pcpu_rth_output within fib_check_nh_v6_gw(). The root cause was that fib_nh_common_init() was moved before alloc_percpu_gfp() and cleanup for nhc_pcpu_rth_output was not added on failure. The fix adds cleanup by calling fib_...

CVE-2025-22089

The CVE-2025-22089 issue concerns the Linux kernel RDMA/core subsystem where hw_counters could be exposed outside the init net namespace due to an incorrect container_of() cast in hw_stat_device_show(), which led to memory corruption when users read /sys/class/infiniband/mlx4_0/hw_counters from a...

CVE-2025-23136

CVE-2025-23136 (Linux kernel, thermal/int340x): The issue arises when an ACPI companion fwnode is missing and the kernel may dereference a NULL adev in int3402_thermal_probe() (and similarly in int3400_thermal_probe()). The fix adds a NULL check for adev and returns -ENODEV when it is not set, pr...

CVE-2025-37758

CVE-2025-37758 affects the Linux kernel’s ata_pxa driver. The root cause was a potential NULL pointer dereference in pxa_ata_probe() when devm_ioremap() returns NULL. The fix adds a NULL check after devm_ioremap() to prevent dereferencing NULL.

CVE-2015-7513

The CVE-2015-7513 vulnerability affects arch/x86/kvm/x86.c in the Linux kernel prior to 4.4, where PIT counter values are not reset during guest state restoration. This can allow guest OS users to trigger a denial-of-service (divide-by-zero) and host crash via a zero PIT value, related to kvm_vm_...

CVE-2016-4581

CVE-2016-4581 affects the Linux kernel: a flaw in mounting propagation where slave mounts can leave the propagation tree in an inconsistent state. Local users could trigger a denial of service via crafted mount calls, causing a NULL pointer dereference and kernel oops. The issue is fixed in kerne...

CVE-2016-4794

CVE-2016-4794 is a local-use-after-free in the Linux kernel’s percpu allocator (mm/percpu.c) up to version 4.6. A crafted mmap/bpf usage could cause a denial of service or potentially other unspecified impact. The IBM advisories list fixes at code levels 7.7.1.9, 7.8.1.6, 8.1.1.2, and 8.1.2.1 for...

CVE-2019-19814

CVE-2019-19814 affects Linux kernel 5.0.21 when mounting a crafted f2fs filesystem image. The bug is in the __remove_dirty_segment slab code: an array is bounded by 8 dirty types, but an index can exceed this bound, causing a slab-out-of-bounds write and potential memory corruption. The provided ...

CVE-2021-47385

CVE-2021-47385 is a Linux kernel hwmon issue affecting the w83792d driver (and related subclients) where a NULL pointer dereference could occur if a value read from the device matches certain bit patterns. The root cause is dereferencing a NULL after reading val; the advisory notes that the patch...

CVE-2021-47592

CVE-2021-47592 affects the Linux kernel stmmac driver and its VLAN priority RX steering path. The issue manifested as a NULL pointer dereference when deleting a tc flower filter for VLAN priority after a previous mis-implemented tc_del_vlan_flow() used flow_cls_offload_flow_rule() (invalid for tc...

CVE-2022-1671

CVE-2022-1671 is a local NULL pointer dereference in the Linux kernel function rxrpc_preparse_s (net/rxrpc/server_key.c). The flaw allows a local attacker to crash the system or leak internal kernel information. Public references indicate this CVE was addressed in SUSE-SU-2022:2615-1, which fixes...

CVE-2022-49072

CVE-2022-49072 affects the Linux kernel GPIO subsystem: gpiochip irq members can be read before initialization, causing race conditions and a potential NULL pointer dereference via I2C (gpiochip_to_irq). The issue has been resolved in the kernel by restricting access to irq-related fields until a...

CVE-2022-49345

The CVE-2022-49345 issue affects the Linux kernel’s net: xfrm subsystem, where __init-annotated xfrm4_protocol_init() is exported via EXPORT_SYMBOL, causing use-after-free risk when __init and EXPORT_SYMBOL co-exist. The root cause is the .init text is freed after init, so modules could access fr...

CVE-2022-49603

CVE-2022-49603 concerns the Linux kernel where data races around sysctl_ip_fwd_update_priority could occur while readers access it concurrently. The fix adds READ_ONCE() to readers to prevent concurrent modification. Connected advisories (EulerOS/OpenVAS/Nessus) explicitly reference this vulnerab...

CVE-2023-46838

CVE-2023-46838 affects Xen’s virtualization networking path where multi‑part transmitted requests can include zero‑length parts. If all parts of an SKB are zero length, the Linux networking code may dereference NULL, potentially enabling local or guest‑to‑host disruption. Public advisories ( Xen/...

CVE-2023-52625

The CVE-2023-52625 entry concerns the Linux kernel’s drm/amd/display path (DMCUB enter/exit idle). The root cause is a SW/state mismatch when exiting idle before issuing commands to DMCUB, where the exit/notify idle operation can itself issue a command. The provided fix strategy is to track a sof...

CVE-2023-52847

CVE-2023-52847 (Linux kernel - media/bttv): A race between the bttv_irq_timeout timer and removal can lead to use-after-free when the timer fires after btv has been freed. The root cause is that remove() didn’t delete the timer, potentially invoking a freed btv in the timer handler. The fix is to...

CVE-2024-26687

CVE-2024-26687 concerns the Linux kernel xen/events subsystem. The issue arises from a lock-order inversion between irq_mapping_update_lock and irq_desc->lock in shutdown_pirq/startup_pirq paths, allowing race conditions where evtchn mappings can be torn down and re-established concurrently. S...

CVE-2024-26820

CVE-2024-26820 affects the Linux kernel hv_netvsc driver. The issue occurs when the hv_netvsc module is unloaded and reloaded: the NET_DEVICE_REGISTER handler can fail to register a VF because the VF registration call arrives before netvsc_probe finishes, since register_netdevice_notifier() is re...

CVE-2024-26831

CVE-2024-26831 : Linux kernel vulnerability affecting the handshake path in net/handshake, where the test handshake_req_destroy_test1 failed due to replacing sock_release(sock) with fput(filp). This change delayed final close/cleanup, risking that hp_destroy might not be invoked before the test c...

CVE-2024-38540

CVE-2024-38540 concerns the Linux kernel bnxt_re driver. The vulnerability is due to undefined behavior triggered when bnxt_qplib_alloc_init_hwq is called with hwq_attr->aux_depth != 0 and hwq_attr->aux_stride == 0, which causes roundup_pow_of_two(hwq_attr->aux_stride) to run with a 0 va...

CVE-2024-39298

CVE-2024-39298 affects the Linux kernel memory failure path (mm/memory-failure) and is tied to a race in handling dissolved but not removed pages from buddy pages (hugetlb). The provided trace shows a bug path where a buddy page is dissolved/unpoisoned, leading to a VM_BUG_ON_PAGE(!PageBuddy(page...

CVE-2024-39486

Summary (CVE-2024-39486): Linux kernel vulnerability in drm_file: Fix pid refcounting race. The race occurs in drm_file_update_pid() when filp->pid is updated under filelist_mutex, allowing a possible use-after-free of a pid structure under PREEMPT_RCU. Affected component: drm_file in the Linu...

CVE-2024-41057

CVE-2024-41057: Linux kernel fix for slab-use-after-free in cachefiles_withdraw_cookie() during FSCACHE withdrawal. The issue could occur when a cache volume is freed while cookie lookups are in flight, leading to UAF on cachefilesVolume. The recommended fix/process order is to call fscache_withd...

CVE-2024-42232

Based on the connected advisories, CVE-2024-42232 is a race condition in the Linux kernel’s libceph code (ceph_monc_stop) where delayed_work() handling can race with mon_fault() and finish_hunting(), potentially leading to use-after-free scenarios on monc and related objects. The documented fix r...

CVE-2024-42312

CVE-2024-42312 relates to the Linux kernel vulnerability where sysctl did not consistently initialize i_uid/i_gid. The resolution initializes i_uid/i_gid inside the sysfs core so that set_ownership() can safely skip setting them. The change is documented as part of commit 5ec27ec735ba, which fixe...

CVE-2024-43910

CVE-2024-43910 affects the Linux kernel BPF verifier in the path that checks global function arguments. The fix adds a check_func_arg_reg_off() to validate arguments of types ARG_PTR_TO_DYNPTR | MEM_RDONLY, preventing out-of-bounds memory accesses when a modified CONST_PTR_TO_DYNPTR is passed to ...

CVE-2024-46866

The CVE-2024-46866 issue in the Linux kernel affects the drm/xe client, specifically the bo_meminfo path. Root cause: bo_meminfo() inspects bo state (tt and ttm resource) without consistently holding the bo lock, allowing state changes that can cause NPD or UAF. Mitigation implemented by grabbing...