CVE-2022-40133

CVE-2022-40133 : A use-after-free in the Linux kernel vmwgfx driver (function vmw_execbuf_tie_context in drivers/gpu/vmxgfx/vmxgfx_execbuf.c) can be triggered by local unprivileged/user-space activity via the render node (/dev/dri/renderD128). Exploitation may allow a local attacker to gain eleva...

CVE-2021-3655

CVE-2021-3655 is a Linux kernel SCTP vulnerability (present in kernels prior to affected fixes) where missing size validations on inbound SCTP packets may allow reading uninitialized memory. The initial description and connected advisories confirm the issue exists in the Linux kernel SCTP impleme...

CVE-2022-28388

CVE-2022-28388 affects the Linux kernel driver usb_8dev_start_xmit (drivers/net/can/usb/usb_8dev.c). The vulnerability is a double free in the function usb_8dev_start_xmit, present up to kernel versions including 5.17.1. Documents reference a commit addressing the issue and mention downstream adv...

CVE-2023-5178

CVE-2023-5178 is a use-after-free vulnerability in the NVMe over Fabrics over TCP subsystem of the Linux kernel, specifically nvmet_tcp_free_crypto in drivers/nvme/target/tcp.c. The logical bug can lead to use-after-free and double-free conditions, with potential remote code execution or local pr...

CVE-2019-16234

CVE-2019-16234 concerns the Linux kernel, where in 5.2.14 the PCIe wireless driver (iwlwifi/pcie/trans.c) does not check the result of alloc_workqueue, enabling a NULL pointer dereference. In public advisories, this CVE is tied to Unity Linux 20, which lists the kernel 5.2.14 issue as affecting i...

CVE-2020-12352

CVE-2020-12352 corresponds to an issue in the Linux Bluetooth stack (BlueZ) where improper access control may allow an unauthenticated user with adjacent access to trigger information disclosure. The description and connected sources indicate this is a local/adjacent-network risk without user int...

CVE-2022-1184

CVE-2022-1184 affects the Linux kernel ext4 file-system code (fs/ext4/namei.c:dx_insert_block). The flaw is a use-after-free that can be triggered by a local user to cause a denial of service. Astra Linux bulletin also documents this exact issue. The connected documents do not specify a fixed ver...

CVE-2019-5489

CVE-2019-5489 affects the Linux kernel mincore() implementation (mm/mincore.c) up to version 4.19.13. It enables a local attacker to observe page cache access patterns of other processes sharing memory, leading to potential information disclosure; the impact is described as partial confidentialit...

CVE-2021-3609

CVE-2021-3609 is a local privilege-escalation flaw in the Linux kernel CAN BCM subsystem. A race in net/can/bcm.c between bcm_rx_handler() and bcm_release() can free bcm_op/bcm_sock structures while the handler runs, enabling use-after-free and root access. Public advisories consistently describe...

CVE-2023-31436

Summary: CVE-2023-31436 affects the Linux kernel net/sched/qfq subsystem (qfq_change_class in net/sched/sch_qfq.c). The flaw allows a heap/out-of-bounds write because lmax can exceed QFQ_MIN_LMAX, leading to information disclosure, privilege escalation, or denial of service as described in public...

CVE-2018-16884

The CVE-2018-16884 issue affects the Linux kernel NFS4.1+ client: mounting NFS shares across different network namespaces can cause a use-after-free in bc_svc_process() leading to memory corruption and potential host panic. Exploitation details in the provided sources are host/container local, wi...

CVE-2021-3489

CVE-2021-3489 concerns the Linux kernel eBPF RINGBUF: the bpf_ringbuf_reserve() function could allocate a size larger than the ringbuf, enabling out-of-bounds writes and potential arbitrary code execution. The issue was fixed by commit 4b81ccebaeee ("bpf, ringbuf: Deny reserve of buffers larger t...

CVE-2023-31083

CVE-2023-31083 affects the Linux kernel (drivers/bluetooth/hci_ldisc.c). In hci_uart_tty_ioctl, there is a race between HCIUARTSETPROTO and HCIUARTGETPROTO where HCI_UART_PROTO_SET is written before hu->proto is set, which may cause a NULL pointer dereference. The connected advisories confirm ...

CVE-2023-52448

CVE-2023-52448 affects the Linux kernel gfs2 subsystem. Syzkaller reported a NULL pointer dereference in gfs2_rgrp_dump when rgd->rd_rgl is accessed, potentially after rgd->rd_gl creation fails in read_rindex_entry(). The fix adds a NULL pointer check in gfs2_rgrp_dump() to prevent derefere...

CVE-2018-1000204

CVE-2018-1000204 affects Linux kernel versions 3.18–4.16 where an SG_IO ioctl on /dev/sg0 with dxfer_direction=SG_DXFER_FROM_DEV and an empty 6-byte cmdp can cause the kernel to copy up to 1000 heap pages to userspace. The root cause is improper handling of SG_IO data flow leading to information ...

CVE-2020-10767

CVE-2020-10767 affects the Linux kernel before 5.8-rc1, where Enhanced IBPB mitigation is disabled when STIBP is unavailable or when IBRS is available, enabling a Spectre V2–style attack on local confidentiality. Connected advisories confirm Linux kernel mitigations (IBPB/SSBD) and note a patched...

CVE-2020-25284

The CVE-2020-25284 issue concerns the Rados Block Device (rbd) driver in the Linux kernel. Affected code path is in the rbd subsystem (drivers/block/rbd.c) where permission checks to access rbd devices were incomplete, enabling a local attacker to map or unmap rbd block devices. Multiple connecte...

CVE-2021-23133

CVE-2021-23133 is a race condition in the Linux kernel SCTP sockets (net/sctp/socket.c) prior to 5.12-rc8. If sctp_destroy_sock executes without sock_net(sk)->sctp.addr_wq_lock, an element is removed from the auto_asconf_splist list without proper locking, enabling a local attacker with networ...

CVE-2019-11815

The CVE-2019-11815 issue affects Linux kernels with net/rds/tcp.c: rds_tcp_kill_sock contains a race that can cause a use-after-free during net namespace cleanup (pre-5.0.8). A fix was committed and released in 5.0.8; upgrading to 5.0.8+ (or applying the patch) is the advised remediation. The Uni...

CVE-2021-3656

CVE-2021-3656 describes a flaw in the KVM hypervisor for AMD processors where the L1 guest can provide a VMCB with an improperly validated virt_ext field, allowing the L1 to disable VMLOAD/VMSAVE intercepts and VLS for the L2 guest. This enables the L2 guest to read/write portions of the host’s p...

CVE-2015-1421

CVE-2015-1421 is a use-after-free in the Linux kernel SCTP path (sctp_assoc_update in net/sctp/associola.c) that allows a remote attacker to trigger an INIT collision, leading to slab corruption and a kernel panic (DoS) with potentially other impact. Affected condition: kernel versions prior to 3...

CVE-2020-14381

CVE-2020-14381 is a vulnerability in the Linux kernel futex implementation. A local attacker can corrupt memory or escalate privileges when creating a futex on a filesystem that is about to be unmounted. The issue is local, with attack vector and conditions described as exploitation requiring loc...

CVE-2020-25212

CVE-2020-25212 affects the NFSv4 client in the Linux kernel and is caused by a TOCTOU mismatch where a size check is performed in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c. This can allow a local attacker to corrupt memory or cause unspecified impacts. The issue is addressed in the upstream k...

CVE-2020-27170

The CVE-2020-27170 flaw affects the Linux kernel prior to 5.11.8, where in kernel/bpf/verifier.c there is undesirable out-of-bounds speculation on pointer arithmetic. This can enable a side-channel attack that defeats Spectre mitigations and may allow an attacker to obtain sensitive information f...

CVE-2023-38409

CVE-2023-38409 affects the Linux kernel fbcon subsystem (drivers/video/fbdev/core/fbcon.c). The issue arises in set_con2fb_map: an assignment is performed only for the first virtual console, which can desynchronize fbcon_registered_fb and fbcon_display when fbcon_mode_deleted is invoked, leaving ...

CVE-2019-19045

CVE-2019-19045 affects the Linux kernel prior to 5.3.11 due to a memory leak in mlx5_fpga_conn_create_cq() (drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c). The issue allows local attackers to cause memory DoS by triggering mlx5_vector2eqn() failures. Ubuntu/Unity/SUSE advisories cite the sa...

CVE-2021-3491

CVE-2021-3491 concerns the Linux kernel io_uring PROVIDE_BUFFERS path, where the MAX_RW_COUNT limit could be bypassed, causing negative values to be used in mem_rw during /proc//mem reads. This could enable a heap overflow and potential arbitrary code execution in the kernel. The issue was addres...

CVE-2023-2008

The CVE-2023-2008 flaw is in the Linux kernel udmabuf device driver, within its fault handler. It stems from insufficient validation of user-supplied data, allowing a memory access past the end of an array. This can enable local privilege escalation and execution of arbitrary code in the kernel c...

CVE-2003-0001

The CVE-2003-0001 issue, known as Etherleak, is an information-disclosure vulnerability caused by NIC/device drivers not padding Ethernet frames with null bytes, allowing an adjacent attacker to glimpse memory content from previously transmitted packets. Connected documents show this vulnerabilit...

CVE-2019-19060

CVE-2019-19060 is a memory-leak vulnerability in the Linux kernel (discovered in adis_buffer.c: adis_update_scan_mode()) that can lead to memory exhaustion and DoS. Affected: Linux kernel versions before 5.3.9 (drivers/iio/imu/adis_buffer.c). Exploitation details are not provided in the documents...

CVE-2020-12769

CVE-2020-12769 affects the Linux kernel prior to 5.4.17. The issue is in drivers/spi/spi-dw.c, where concurrent calls to dw_spi_irq and dw_spi_transfer_one can trigger a kernel panic (local exploit). The vulnerability is fixed in Linux kernel 5.4.17 (see ChangeLog-5.4.17). No exploit details are ...

CVE-2022-38457

CVE-2022-38457 affects the vmwgfx driver (Linux kernel) in the function vmw_cmd_res_check within drivers/gpu/vmxgfx/vmxgfx_execbuf.c, exposed via /dev/dri/renderD128. The issue is a use-after-free, leading to local privilege escalation and DoS. Connected advisories ( MiracleLinux AXSA) reference ...

CVE-2019-19332

CVE-2019-19332 affects the Linux kernel KVM implementation (x86) with an out-of-bounds memory write in handling the KVM_GET_EMULATED_CPUID ioctl, enabling a local user with access to /dev/kvm to crash the system (DoS). Affected range is kernels 3.13–5.4. Root cause described as a missing/bounds-c...

CVE-2021-38160

CVE-2021-38160 affects the Linux kernel “virtio_console” driver. In drivers/char/virtio_console.c, if an untrusted device supplies a buf->len value larger than the destination buffer, data corruption or loss can occur. The issue is fixed in Linux kernel 5.13.4 (ChangeLog-5.13.4). The vendor no...

CVE-2019-15090

CVE-2019-15090 affects the Linux kernel driver component drivers/scsi/qedi/qedi_dbg.c, with an out-of-bounds read in the qedi_dbg_* family of functions for versions before 5.1.12. The issue can enable a local attacker to read memory due to improper bounds handling, as described in the CVE entry. ...

CVE-2024-26588

CVE-2024-26588 – LoongArch: BPF: Prevent out-of-bounds memory access . Linux kernel BPF JIT compilation on LoongArch can fault while loading large BPF programs (e.g., 2039 insns) due to an out-of-bounds access during build_body/bpf_int_jit_compile sequence, triggering an unhandled page fault. The...

CVE-2019-11190

CVE-2019-11190 affects the Linux kernel prior to 4.8. Local users could bypass ASLR on setuid programs (e.g., /bin/su) due to install_exec_creds() being invoked late in load_elf_binary() in fs/binfmt_elf.c, creating a race in ptrace_may_access() when reading /proc/pid/stat. Connected advisories (...

CVE-2020-12464

CVE-2020-12464 is a Linux kernel use-after-free in the USB core path. The vulnerability stems from usb_sg_cancel in drivers/usb/core/message.c where a transfer can occur without a proper reference, enabling a local attacker to potentially crash or execute code. Connected documents confirm this is...

CVE-2022-0500

CVE-2022-0500 : A vulnerability in the Linux kernel’s BPF subsystem arises from unrestricted eBPF usage via BPF_BTF_LOAD, enabling a local user to trigger an out-of-bounds memory write when loading BTF data. Reported impact includes system crash and privilege escalation. The connected Astra Linux...

CVE-2023-30456

CVE-2023-30456 affects Linux kernels with arch/x86/kvm/vmx/nested.c pre-6.2.8. The root cause is missing consistency checks for CR0 and CR4 in nVMX on x86_64, which can enable state inconsistency between VMX and guest. Public references indicate this has been addressed by 6.2.8 and via various AL...

CVE-2019-19062

CVE-2019-19062 describes a memory leak in the crypto_report() function (crypto/crypto_user_base.c) of Linux kernels up to 5.3.11, which can cause denial of service via memory exhaustion when crypto_report_alg() failures occur. The connected documents confirm the vulnerability and its impact but d...

CVE-2020-8834

Affected software: Linux kernel KVM for PowerPC (KVM with Book3S HV on Power8). Vulnerability arises from conflicting use of HSTATE_HOST_R1 to store r1 state in kvmppc_hv_entry and in kvmppc_save_tm()/kvmppc_restore_tm, leading to stack corruption. Consequence: a guest VM kernel-space code execut...

CVE-2023-31248

The Linux kernel contains a use-after-free vulnerability in the Netfilter nf_tables implementation. The flaw exists because the nft_chain_lookup_byid() function fails to verify whether a chain is active, particularly during concurrent access to resources. This vulnerability allows a local attacke...

CVE-2026-46316

A vulnerability in Linux kernel KVM for ARM64 (vgic-its) is resolved. The issue stemmed from vgic_its_invalidate_cache() traversing the per-ITS translation cache with xa_for_each() and dropping the cache’s reference on each entry using vgic_put_irq(), but it dropped the reference of the pointer r...

CVE-2022-3903

CVE-2022-3903 describes an incorrect read request flaw in the Linux kernel’s Infrared Transceiver USB driver. When a user attaches a malicious USB device, a local user can cause resource starvation, leading to denial of service or potentially a system crash. Connected advisories (Unity Linux UTSA...

CVE-2020-25211

CVE-2020-25211 describes a local vulnerability in the Linux kernel’s netfilter conntrack netlink path. A bounds check is missing in ctnetlink_parse_tuple_filter (net/netfilter/nf_conntrack_netlink.c), permitting a local attacker injecting conntrack netlink configuration to overflow a local buffer...

CVE-2020-8428

CVE-2020-8428 refers to a use-after-free in the Linux kernel’s VFS layer (fs/namei.c/vfs core) that can be exploited by a local attacker to cause a denial of service or potentially read kernel memory. Public advisories (Debian DSA-4667/DSA-4667-1) attribute the issue to a may_create_in_sticky use...

CVE-2021-33655

CVE-2021-33655 is confirmed in the provided documents as an out-of-bounds memory write triggered by malicious data sent via the framebuffer ioctl FBIOPUT_VSCREENINFO in the Linux kernel framebuffer/console path. The issue allows a local user to crash the system and potentially escalate privileges...

CVE-2018-1000026

CVE-2018-1000026 affects the Linux kernel in the Broadcom NetXtreme II (bnx2x) driver. The issue is described as insufficient input validation in the bnx2x driver that can allow a remote attacker to trigger a denial of service by sending specially crafted, very large packets, potentially from an ...

CVE-2018-21008

CVE-2018-21008 affects the Linux kernel up to version 4.16.6, with a use-after-free in rsi_mac80211_detach (drivers/net/wireless/rsi/rsi_91x_mac80211.c). Nessus/nvd-derived docs consistently reference this flaw across Unity Linux advisories and related feeds, confirming the vulnerable component a...