CVE-2021-47204

CVE-2021-47204 affects the Linux kernel’s net: dpaa2-eth driver. The flaw is a use-after-free in dpaa2_eth_remove where access to a freed netdev occurs. The fix moves the debug log to occur before free_netdev(), preventing use-after-free. Public descriptions in connected advisories (AstraLinux, U...

CVE-2011-0716

CVE-2011-0716 affects the Linux kernel older than 2.6.38. The vulnerability lies in the br_multicast_add_group function within net/bridge/br_multicast.c, triggered when a specific Ethernet bridge configuration is used. An attacker locally can cause memory corruption and a system crash by sending ...

CVE-2021-47591

CVE-2021-47591 affects the Linux kernel. The vulnerability arises from the TCP_ULP setsockopt mechanism, which is no longer supported for MPTCP as it is already used internally to connect subflow sockets to the MPTCP layer. In syzbot testing, a crash (KASAN null dereference) was observed on mptcp...

CVE-2009-1914

CVE-2009-1914 affects the Linux kernel on sparc64. The function pci_register_iommu_region in arch/sparc/kernel/pci_common.c in versions prior to 2.6.29 can be abused by a local user to crash the system (denial of service) by reading /proc/iomem, due to uninitialized pointers in the context of the...

CVE-2009-2909

CVE-2009-2909 affects the Linux kernel ax25 subsystem (ax25_setsockopt in net/ax25/af_ax25.c). The vulnerability arises from a signedness/unsigned check issue in the ax25 sockopt/setsockopt path, enabling a local attacker to cause a kernel OOPS or potentially crash the kernel and execute code. Pu...

CVE-2010-1451

CVE-2010-1451 affects the SPARC build of the Linux kernel prior to 2.6.33, where TSB I-TLB load handling in arch/sparc/kernel/tsb.S fails to correctly obtain the _PAGE_EXEC_4U bit, resulting in an incompletely implemented non-executable stack. This could allow context-dependent local attackers to...

CVE-2011-1021

The CVE-2011-1021 entry describes a local privilege escalation in the Linux kernel caused by the ACPI debugfs interface. Vulnerable component: drivers/acpi/debugfs.c. Affected software: Linux kernel versions before 3.0. Root-level access is required to write to /sys/kernel/debug/acpi/custom_metho...

CVE-2011-1476

CVE-2011-1476 is an integer underflow in the Linux kernel OSS subsystem (specifically the MIDI/OSS sequencer driver) before 2.6.39 on unspecified non-x86 platforms. It allows local users to cause a denial of service via memory corruption by crafting writes to /dev/sequencer. Publicly documented f...

CVE-2012-0028

CVE-2012-0028 affects the Linux kernel’s futex implementation prior to version 2.6.28. The root cause is that processes executing an exec can write to memory in a child process due to improper futex handling, potentially allowing local users to cause a denial of service or to gain privileges. The...

CVE-2013-6376

The CVE-2013-6376 issue affects the Linux kernel’s KVM path: the recalculate_apic_map function in arch/x86/kvm/lapic.c, with impact described as a host-OS crash ( denial of service ) via a crafted ICR write in x2apic mode. The connected Nessus advisories (UNITY_LINUX_UTSA series) reproduce the sa...

CVE-2013-6431

The CVE-2013-6431 issue affects the Linux kernel’s IPv6 routing code: the fib6_add function in net/ipv6/ip6_fib.c fails to encode error codes correctly in versions before 3.11.5, enabling a local user with CAP_NET_ADMIN to trigger a NULL pointer dereference via an IPv6 SIOCADDRT ioctl, causing a ...

CVE-2017-0576

CVE-2017-0576 is an elevation-of-privilege vulnerability in the Qualcomm Crypto Engine Driver that could allow a local malicious app to execute arbitrary code in the kernel context. Affected product scope is Android; kernels 3.10 and 3.18 are listed as vulnerable. The underlying issue is in the Q...

CVE-2017-12168

CVE-2017-12168 affects the Linux kernel (arch/arm64) in the KVM subsystem, where the access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c allows a privileged KVM guest OS user to trigger a denial of service (assertion failure and host crash) by reading the Performance Monitors Cycle Count Regi...

CVE-2019-3837

CVE-2019-3837 affects the 2.6.32 kernel as shipped in RHEL6. The net_dma code in tcp_recvmsg() is thread-unsafe, so an unprivileged multi-threaded userspace application calling recvmsg() for the same socket in parallel on ioatdma-enabled hardware with net_dma enabled can leak memory, crash the ho...

CVE-2021-47147

CVE-2021-47147 affects the Linux kernel (ptp: ocp). The issue is a resource leak in an error path after a successful pci_ioremap_bar() unless a corresponding pci_iounmap() is invoked, as implemented in the remove path. The connected documents confirm the vulnerability and its fix in the kernel, w...

CVE-2021-47214

CVE-2021-47214 affects Linux kernel hugetlb/userfaultfd handling. The fix corrects reservation restoration on userfaultfd error in hugetlb_mcopy_atomic_pte() by treating the is_continue path like pagecache insertion and altering the new_pagecache_page flag (renamed to page_in_pagecache) so restor...

CVE-2021-47218

CVE-2021-47218: Linux kernel SELinux hashtab allocation failure could lead to NULL dereference. Root cause: on hashtab_init() allocation failure, h->size remains non-zero while h->htable is NULL, breaking hashtab_map() and hashtab_destroy() which assume non-empty hashtab. Mitigation in the ...

CVE-2021-47233

Summary of CVE-2021-47233 (Linux kernel): The issue is a NULL pointer dereference in regulator rt4801 when priv->enable_gpios is NULL, with devm_gpiod_get_array_optional possibly returning NULL if no GPIO is assigned. The vulnerability has been resolved in the Linux kernel; multiple advisories...

CVE-2021-47234

CVE-2021-47234 (Linux kernel) : The issue concerns the phy-mtk-tphy driver, specifically in the mtk_phy_init() error path, where resources could leak. The fix adds a call to clk_disable_unprepare() in the error handling to release resources and prevent leaks. The vulnerability description and con...

CVE-2021-47306

CVE-2021-47306 pertains to the Linux kernel FDDI driver: in net: fddi: fza_probe, the private data fp of a netdev is used after a free_netdev() call, causing a use-after-free (UAF). The fix reorders cleanup by moving free_netdev() after the error handling message to prevent UAF. Multiple connecte...

CVE-2021-47415

CVE-2021-47415 affects the Linux kernel’s iwlwifi mvm code. The vulnerability is a potential NULL pointer dereference in __iwl_mvm_remove_time_event(), mitigated by checking te_data->vif for NULL before dereferencing. The issue is resolved by the kernel patch referenced in the initial descript...

CVE-2021-47417

CVE-2021-47417 refers to a Linux kernel memory-leak issue in libbpf’s strset management. The vulnerability arises from freeing only internal parts previously, not the strset structure itself, allowing a memory leak. The CVE description and connected advisories confirm this root cause and indicate...

CVE-2021-47531

Mode C CVE-2021-47531: Linux kernel MSM DRM mmap handling fixed. The issue occurred when switching to the new mmap path (drm/msm: Implement mmap as GEM object function) and skipping the default mmap code. This caused missing VM_FLAGS and page-prot setup, contributing to crashes on ARC++ Chromeboo...

CVE-2021-47554

CVE-2021-47554 affects the Linux kernel vdpa_sim code. Root cause: in error paths of vdpasim_create(), an uninitialized iova_domain could be freed, causing a NULL pointer dereference when put_iova_domain is executed, potentially crashing the system. The fix requires iova_domain to be initialized ...

CVE-2021-47585

CVE-2021-47585 concerns a memory leak in the Linux kernel's btrfs __add_inode_ref path. The issue arises from allocating victim_name with kmalloc at two points (lines 1104 and 1169) and returning from the function without freeing the previously allocated memory when backref_in_log() returns an er...

CVE-2022-48646

The Linux kernel is vulnerable to a NULL pointer dereference within the sfc/siena driver, specifically in the efx_hard_start_xmit function. This issue is caused by improper pointer handling in the drivers/net/ethernet/sfc/siena/tx.c module. An attacker could potentially exploit this to cause a se...

CVE-2022-48667

The connected documents confirm CVE-2022-48667 affects the Linux kernel SMB3 insert-range path, where an affected cached region is not discarded, risking temporary file data corruption. The issue has been fixed in kernel code (see related commits and advisories from Astra Linux, SUSE, Microsoft, ...

CVE-2022-48673

CVE-2022-48673 affects the Linux kernel net/smc; the issue is a use-after-free where, after modifying the QP to ERROR, RX work completions could access freed memory because the QP and link group were destroyed before completion. This can lead to kernel crashes as shown by the sample BUG/PF. The v...

CVE-2022-48690

Insight : CVE-2022-48690 refers to a Linux kernel fix in the ice driver for a DMA mappings leak when reallocating RX buffers while changing ring parameters. The leak occurred because kfree on rx_buf freed DMA mappings that were still active, leading to leaked DMA mappings during buffer substituti...

CVE-2022-48698

The Linux kernel contains a memory leak vulnerability within the drm/amd/display component. The issue arises because the debugfs_lookup() function fails to call dput() on its result, causing memory to leak over time. This was addressed by ensuring dput() is properly called. While some reports sug...

CVE-2022-48707

CVE-2022-48707 (Linux kernel, cxl/region) : The issue arises when destroying a region that includes a host bridge with a single root port and a decoupled HDM/CXL device, where the region driver creates a special pass-through decoder without a commit/reset callback. Before the fix, the ->reset(...

CVE-2022-48727

CVE-2022-48727 affects the Linux kernel KVM arm64 code. When exceptions other than IRQ occur, ESR_EL2 is updated; if an IRQ synchronises an SError, the vcpu ESR may become stale and ELR_EL2 could be corrupted, risking duplication of guest instructions. The fix ensures ARM_EXCEPTION_CODE() is chec...

CVE-2022-48730

CVE-2022-48730 affects the Linux kernel: dma-buf heaps vulnerability where a user-supplied index could be treated as a potential Spectre v1 gadget, risking leakage of kernel memory to userspace through speculative execution. The fixed issue is described as preventing leakage by using array_index_...

CVE-2022-48813

CVE-2022-48813 concerns the Linux kernel’s DSA Felix support. The advisory notes that using devres for the MDIO bus caused mdiobus_free() to panic when freed via devm_mdiobus_free(), unless the bus was unregistered first. For the Felix VSC9959 switch (PCI device), the recommended remediation is t...

CVE-2022-48899

CVE-2022-48899 affects the Linux kernel DRM virtio GEM handle creation. The issue is a use-after-free (UAF) caused by racing GEM object creation with handle close, where the handle’s reference must be dropped only after dereferencing the object. This analysis is supported by multiple connected ad...

CVE-2022-48932

CVE-2022-48932 affects the Linux kernel in the net/mlx5 driver: slab-out-of-bounds in mlx5_cmd_dr_create_fte when a rule with many destinations (up to 32) is added. The issue manifests as a KASAN slab-out-of-bounds. The patch fixes it by (1) enlarging allocated buffers to accommodate the required...

CVE-2022-49069

The CVE-2022-49069 issue affects the Linux kernel’s DRM AMD Display path, where a general protection fault was observed when WebGL Aquarium ran for extended periods. The provided technical details show the root cause as a calculation/validation path in dcn30_internal_validate_bw, leading to fault...

CVE-2022-49117

The CVE-2022-49117 issue is in the Linux kernel (mips/ralink): a refcount leak in ill_acc_of_setup() that requires of_node_put(np) when pdev == NULL. The vulnerability is addressed by applying the fix that ensures proper reference counter management, preventing the leak and potential use-after-fr...

CVE-2022-49192

Technical details about CVE-2022-49192 are not publicly available in the provided Connected documents. The CVE entry describes a fix in cpsw but lacks vendor/product/version specifics, exploit info, or remediation steps beyond the general change. Monitor for updates.

CVE-2022-49225

CVE-2022-49225 affects the Linux kernel component mt7921s (mt76) where a memory leak could occur in mt7921_load_patch if fw data isn’t released. The fix releases fw data at the end of the routine to prevent leak; the vulnerability manifests locally with an availability impact. Affected context re...

CVE-2022-49499

CVE-2022-49499 relates to the Linux kernel, in the drm/msm path. The issue is a null pointer dereference that occurs when the code accesses the per- process address space (aspace) without verifying it is set, which can be null on systems without an IOMMU (e.g., msm8974). The fix adds a check for ...

CVE-2022-49743

CVE-2022-49743 concerns the Linux kernel OverlayFS component. The vulnerability arises from using the wrong destination for memcpy() with the “buf” flexible array, which must be the memcpy() destination to prevent false-positive Fortify_SOURCE run-time warnings. The issue is described as a field-...

CVE-2022-49845

CVE-2022-49845 – Linux kernel CAN/j1939 header initialization fix . The issue related to can: j1939_send_one() involved uninitialized CAN header fields in CAN frames created for j1939 messages, exposing a read access to canxl_frame::len due to uninitialized reserved and later-filled fields in str...

CVE-2022-49886

The CVE-2022-49886 issue affects the Linux kernel related to x86/tdx memory handling. The vulnerability stems from how private memory (TDX private memory, including kernel stacks/text) may trigger a virtualization exception (#VE) and the difficulty of handling such exceptions. The root cause desc...

CVE-2022-49889

In CVE-2022-49889, the Linux kernel ring-buffer wake path could dereference a NULL or invalid buffer when waking waiters during ring-buffer shutdown on systems where listed CPUs > online CPUs. The fix adds a NULL check for the buffer and validates the allocation against online CPUs; it also no...

CVE-2022-49900

CVE-2022-49900 affects the Linux kernel i2c piix4 driver. In the single-adapter removal path, piix4_adapter_count is not set (default zero) during piix4_probe(), so piix4_remove() fails to remove the adapter, leaking resources (i2c client and device). This can allow leaked adapters to be accessed...

CVE-2022-49914

CVE-2022-49914 involves the Linux kernel btrfs backref walk leak in resolve_indirect_refs(). When an error occurs, code previously freed the parents list with ulist_free(), but attached inode lists via the aux field were not freed, causing a leak. The fix replaces ulist_free() with free_leaf_list...

CVE-2022-49946

CVE-2022-49946 affects the Linux kernel component handling Raspberry Pi clocks (clk: bcm: rpi). The vulnerability arises in raspberrypi_discover_clocks() where the loop relies on the last clock element’s id being zero, a property not guaranteed by Videocore firmware, which could lead to an out-of...

CVE-2022-50046

In CVE-2022-50046, the Linux kernel fixes a memory-leak and potential NULL-dereference in net/sunrpc rpc_sysfs_xprt_state_change(): on error paths, xprt may fail to decrement the reference count of xps and may use an invalid xps. The issue arises because the function does not always handle errors...

CVE-2022-50102

CVE-2022-50102 affects the Linux kernel’s fbdev arkfb driver. A user-controlled ioctl can cause a divide-by-zero in ark_set_pixclock, e.g. with hdiv=1, pixclock=1, hmul=2, producing (1*1)/2 = 0 and leading to division by zero later in arkfb.c when computing 1000000000 / pixclock. The vulnerabilit...