CVE-2021-47189

CVE-2021-47189 concerns the Linux kernel, specifically the btrfs subsystem. The vulnerability arises from memory ordering between normal and ordered work functions; the existing synchronization via WORK_DONE_BIT and the used bitops do not guarantee ordering. On ARM64 this can cause a crash when a...

CVE-2021-47228

CVE-2021-47228 affects the Linux kernel x86/ioremap code. The issue arises when EFI boot services memory is preserved with efi_mem_reserve() and marked EFI_MEMORY_RUNTIME; under SEV, such memory must be mapped encrypted, otherwise the kernel may crash during boot. The public docs indicate a fix t...

CVE-2021-47319

CVE-2021-47319 concerns a memory leak in the Linux kernel’s virtio-blk driver during suspend/resume. The root cause is that the vblk->vqs were not freed before calling init_vqs() in virtblk_restore(), and a fix was applied to free the vqs prior to reinitialization. Connected advisories confirm...

CVE-2021-47333

CVE-2021-47333 (Linux kernel) affects the misc: alcor_pci path. In configurations where a device is connected directly to the root complex, bus->self (bridge) can be NULL, leading to priv->parent_pdev being NULL. The vulnerability stems from alcor_pci_init_check_aspm(priv->parent_pdev) r...

CVE-2021-47355

CVE-2021-47355 relates to the Linux kernel ATM nicstar driver. The issue is a use-after-free in nicstar_cleanup() caused by removing a timer with del_timer() instead of del_timer_sync(), which may allow the timer handler to still run after the device removal. The fix ensures the timer finishes an...

CVE-2021-47359

CVE-2021-47359 concerns the Linux kernel CIFS subsystem and a fix for a soft lockup during fsstress. The issue caused system hangs (example: watchdog: BUG: soft lockup — CPU#6 stuck for 26s) and has been resolved by a kernel patch described as fixing the soft lockup during fsstress. Connected adv...

CVE-2021-47394

CVE-2021-47394 is a Linux kernel vulnerability in the netfilter nf_tables path: unlinking a table before deleting it could allow a use-after-free. SYZKABAN reports a UAF in memcmp/nlattr/nft_table_lookup paths, with read-accesses occurring on lockless GETs after synchronize_rcu. The documented ro...

CVE-2021-47397

The CVE-2021-47397 issue concerns the Linux kernel SCTP path: sctp_rcv_ootb may dereference a NULL pointer if skb_header_pointer returns NULL. The connected AstraUnity advisories explicitly describe the same root cause and fix as part of a kernel SCTP patch, noting a potential KASAN null-ptr-dere...

CVE-2021-47414

Summary: CVE-2021-47414 concerns a Linux kernel vulnerability on RISCV (SiFive HiFive Unmatched) where ftrace patching may trigger an illegal instruction due to icache/dcache synchronization across CPUs. The root cause is that icache of the current CPU is not flushed before other CPUs are asked t...

CVE-2021-47526

CVE-2021-47526 is a Linux kernel vulnerability in the serial: liteuart driver causing a NULL pointer dereference in _remove() when drvdata isn’t set in _probe(). The root cause is missing drvdata assignment which leads to platform_get_drvdata() returning NULL in _remove(). The issue affects the L...

CVE-2021-47553

The CVE describes a Linux kernel issue (CVE-2021-47553) in the SCS and KASAN shadow stack handling for the idle task during CPU hotplug (bringup_cpu). When a CPU is offline and brought back online, stale KASAN shadow and stale shadow call stack (SCS) state could lead to bogus warnings or leak por...

CVE-2021-47564

CVE-2021-47564 relates to a Linux kernel issue in the marvell prestera driver where an error-path double free could crash the driver. The vulnerability stems from fixable error-path handling in prestera_bridge_port_join(), leading to a crash on the prestera device (trace includes prestera_bridge_...

CVE-2021-47640

CVE-2021-47640 describes a Linux kernel vulnerability in the powerpc/KASAN pathway where the shadow page table was not updated correctly when PTE_RPN_SHIFT = 24 and PAGE_SHIFT = 12. The issue caused false positives and false negatives in KASAN reports (vmalloc-out-of-bounds in pcpu_alloc) and was...

CVE-2022-2327

CVE-2022-2327 affects the Linux kernel io_uring path: use of work_flags to determine identity for IORING_OP may cause missing types, leading to incorrect reference counts and a double free. The primary public advisory notes the root cause is in the kernel io_uring identity handling and recommends...

CVE-2022-48751

CVE-2022-48751 pertains to the Linux kernel net/smc code, where a race on clcsock could allow access to a window where clcsock had been released, causing a NULL pointer dereference in smc_setsockopt. The documented fix introduces clcsock_release_lock protection and checks that clcsock is not rele...

CVE-2022-48923

The CVE-2022-48923 entry concerns a Linux kernel vulnerability in the btrfs code path, specifically for LZO compression. The root cause is that a compressed length could be corrupted to exceed allocated memory, allowing memcpy to write beyond bounds in copy_compressed_segment. This can cause a ke...

CVE-2022-49054

CVE-2022-49054 concerns the Linux kernel hv/vmbus subsystem. The documented fix deactivates the sysctl_record_panic_msg by default in isolated Hyper-V guests, to prevent hv_panic_page from leaking guest-sensitive information. It also notes that hv_panic_page may contain sensitive data and should ...

CVE-2022-49075

CVE-2022-49075 is a Linux kernel issue in btrfs where qgroup reserve tracking used an unsigned int for bytes_changed, allowing overflow when fallocate exceeds 4 GiB. This caused incorrect qgroup accounting and could breach the qgroup limit. The published fixes switch bytes_changed to a 64-bit fie...

CVE-2022-49132

CVE-2022-49132 : Linux kernel vulnerability in ath11k PCI suspend handling where board file not found could crash the system. Connected documents confirm the issue arises because board file loading can occur after ath11k_pci_probe() returns and suspend handler remains active, causing a crash on s...

CVE-2022-49149

The CVE-2022-49149 issue affects the Linux kernel rxrpc subsystem where a timer for a call could be started while the call is being destroyed (softirq context with only the RCU read lock). This race could cause the timer (already stopped) to be restarted and, later, the timer dispatcher may oops ...

CVE-2022-49166

Summary (grounded on provided documents): In the Linux kernel, a vulnerability related to NTFS mounting was addressed. Specifically, ntfs_read_inode_mount can call ntfs_malloc_nofs with a zero allocation size, triggering a BUG in the internal allocator (__ntfs_malloc). The fix implemented is a sa...

CVE-2022-49221

The CVE-2022-49221 issue affects the Linux kernel DRM MSM DP driver. A NULL pointer dereference could occur because struct dp_panel::connector was never assigned (connector stored in msm_dp::connector). The problem manifested during DP CTS test 4.2.2.6 when reading EDID, causing a NULL dereferenc...

CVE-2022-49358

CVE-2022-49358 affects the Linux kernel, specifically the netfilter nf_tables path where a memleak can occur for a flow rule object created during a commit path. The root cause is that abort path releases the flow rule object, but the commit path does not, leading to a memleak. The advisory docum...

CVE-2022-49424

CVE-2022-49424 is a Linux kernel issue in the Mediatek IOMMU driver. The root cause is a NULL pointer dereference when printing dev_name due to larbdev being NULL during probe (mtk_iommu_probe_device). The crash can occur in device_link_add() and is triggered by an incorrect DTS input. The public...

CVE-2022-49464

CVE-2022-49464 relates to a Linux kernel erofs tail pcluster handling bug: when ztailpacking is used, the second part of an uncompressed tail pcluster may not match rq->pageofs_out, causing a use-after-free in z_erofs_shifted_transform and potential memory access after free. A fix was implemen...

CVE-2022-49494

The CVE-2022-49494 entry concerns the Linux kernel mtd: rawnand cadence driver vulnerability. The issue is a possible NULL pointer dereference in cadence_nand_dt_probe() when platform_get_resource() could return NULL, causing access to res to dereference. The fix reorders usage so res is only use...

CVE-2022-49507

CVE-2022-49507 affects the Linux kernel regulator driver for the da9121 (regulator/da9121-regulator.c). The issue arises when da9121_assign_chip_model() accesses regmap without it being initialized due to an invalid chip->subvariant_id (set to -EINVAL by a malformed device tree). This leads to...

CVE-2022-49512

CVE-2022-49512 affects the Linux kernel’s mtd: rawnand: denali driver. The issue arises because the driver did not use managed device resources, leading to kernel faults (example: timeout waiting for IRQ, page fault on supervisor write) when a NAND device is probed. The vulnerability is resolved ...

CVE-2022-49719

CVE-2022-49719 affects the Linux kernel realview GIC implementation. The root cause is a refcount leak in realview_gic_of_init caused by of_find_matching_node_and_match() returning a node pointer with an incremented refcount without a corresponding of_node_put() when it is no longer needed. The f...

CVE-2022-49761

CVE-2022-49761 - Linux kernel (btrfs) details Affected: Linux kernel with btrfs subsystem; function run_one_delayed_ref() path in the delayed refs workflow. Root cause/what changed: The patch changes error reporting from btrfs_debug() to btrfs_err(), adds extra context (logical bytenr, num_bytes,...

CVE-2022-49764

CVE-2022-49764 (Linux kernel) : A vulnerability in BPF raw tracepoint handling allows a BPF program to recursion-trigget the same tracepoint via bpf_trace_printk, causing spinlock contention paths to recurse and potentially affecting tracing by taking the slow path. Root cause: a BPF program atta...

CVE-2022-49779

CVE-2022-49779 affects the Linux kernel kprobes subsystem, specifically the kprobe-on-ftrace path. Description: when unregistering an aggrprobe, if the currently unregistered probe has a post_handler but sibling probes do not, the aggrprobe’s post_handler may be cleared. If the probe is ftrace-ba...

CVE-2022-49784

CVE-2022-49784 affects the Linux kernel perf/x86/amd/uncore subsystem. The issue is a memory leak where the events array in per-CPU NB/LLC uncore contexts is freed late, after the uncore context is freed when a CPU comes online. The documented fix is to free the events array before freeing the un...

CVE-2022-49811

In CVE-2022-49811, the Linux kernel’s DRBD subsystem is affected by a use-after-free in drbd_create_device(), caused when the drbd_destroy_connection() frees the underlying connection while it may still be referenced. The connected documents confirm the fix is to use the safe() iterator to preven...

CVE-2022-49813

In CVE-2022-49813, the vulnerability is in the Linux kernel ena driver. The root cause is in ena_init() where the workqueue created by create_singlethread_workqueue() is not destroyed if pci_register_driver() fails, causing a resource leak. The fix adds a call to destroy_workqueue() on pci_regist...

CVE-2022-49825

CVE-2022-49825 — Linux kernel (libata-transport) In ata_tport_add(), the return value of transport_add_device() is not checked, which can lead to a NULL pointer dereference during module removal when transport_remove_device() is called for a device that was not added. The vulnerability is resolve...

CVE-2022-49956

CVE-2022-49956 in the Linux kernel refers to a use-after-free bug in the rtl8712 staging driver. The issue arises because _Read/Write_MACREG callbacks are NULL, causing read/write_macreg_hdl() to only free the pcmd pointer. The fix removes these callbacks to prevent the use-after-free. The vulner...

CVE-2022-50008

CVE-2022-50008 affects the Linux kernel kprobes subsystem. The issue arises when __disable_kprobe() and its call to disarm_kprobe() interact with a probe that has already been disarmed, triggering WARN_ONCE() and leading to incomplete cleanup. This can cause an infinite loop in tk->rp.kp.list ...

CVE-2022-50039

The CVE-2022-50039 entry concerns the Linux kernel’s stmmac Intel dwmac driver. The vulnerability arises from a missing clk_disable_unprepare() call in intel_eth_pci_remove(), introduced by earlier clock-handling changes and related removals in commits such as 09f012e64e4b and ac322f86b56c, which...

CVE-2022-50172

CVE-2022-50172 concerns the Linux kernel mt76mt76x02u driver: a memory leak could occur in __mt76x02u_mcu_send_msg if mt76u_bulk_msg fails, with the fix freeing the skb to prevent leak. The issue is classified as LOCAL access with low privileges and could impact availability (per CVSS baseline: A...

CVE-2022-50201

CVE-2022-50201 affects the Linux kernel SELinux path: memleak in security_read_state_kernel() where the function returns the result of __security_read_policy without freeing allocated memory in *data. This memory leak occurs when __security_read_policy fails. The issue is addressed by freeing the...

CVE-2023-52736

The CVE-2023-52736 entry concerns the Linux kernel ALSA HDA stack. The vulnerability arises from how ASoC codec drivers reuse hda_codec_driver_probe/remove() from hda_bind.c and how snd_hda_codec_cleanup_for_unbind() unsets the preset. Preset is assigned once during device/driver matching, but AS...

CVE-2023-52807

CVE-2023-52807 affects the Linux kernel net/hns3 driver. The vulnerability arises from an array of strings used to display coalesce info, which may allow out-of-bounds reads when the kernel adds a new mode or state and coalesce info is read via debugfs. A patch fixes the bound-checking/array sizi...

CVE-2023-52872

The CVE-2023-52872 vulnerability affects the Linux kernel tty/n_gsm subsystem. A race in gsm_cleanup_mux() during the cleanup of GSM DLCIs can spuriously change virtual modem status lines while data/timers are being torn down, risking a kernel panic when resources have already been removed. The f...

CVE-2023-52912

CVE-2023-52912 relates to the Linux kernel’s DRM amdgpu subsystem. The issue arises during unloading of amdgpu where a bug in drm_buddy_free_block can trigger a kernel BUG and invalid opcode, as shown in the stack trace and kernel log snippet. The impact is a potentially local disruption of a sys...

CVE-2023-53011

The CVE-2023-53011 issue concerns the Linux kernel’s stmmac driver (DWMAC5) where, by default, all safety features were enabled. If a hardware platform did not provide a safety_feat_cfg entry, enabling the automotive safety package could trigger a NULL pointer dereference during network device op...

CVE-2023-53118

CVE-2023-53118 affects the Linux kernel SCSI subsystem: a regression in host procfs directory removal in the core SCSI layer. The vulnerable code path centers on scsi_proc_hostdir_rm(), which decreases a reference counter and must be invoked only once per host removal. The issue is resolved by th...

CVE-2024-27409

CVE-2024-27409 concerns the Linux kernel’s dmaengine: dw-edma HDMA. The linked list element and pointer may not be stored with the HDMA controller register; if the doorbell is toggled before the full write of the linked list, a race condition can occur. In remote setup, only a memory read (readl)...

CVE-2024-39462

CVE-2024-39462 : Linux kernel vulnerability in bcm clk DV P. Root cause: after commit that annotated clk_hw_onecell_data with __counted_by, hws[] was accessed before ->num was initialized, triggering UBSAN array-index-out-of-bounds (drivers/clk/bcm/clk-bcm2711-dvp.c:59). Impact : potential out...

CVE-2024-44973

The CVE-2024-44973 vulnerability in the Linux kernel concerns the SLUB allocator when freeing kfence objects. The issue arose because the kfence object free path was moved out of do_slab_free but one spot in __kmem_cache_free_bulk was missed, risking a crash (example stack trace shown in the init...