15099 matches found
CVE-2017-14106
CVE-2017-14106 affects the Linux kernel TCP stack: the divide-by-zero in tcp_disconnect (net/ipv4/tcp.c) can be triggered by a local attacker via a specific tcp_recvmsg path, potentially causing a system crash (DoS). Connected advisories confirm the issue across multiple vendors (IBM IMM2 bulleti...
CVE-2020-28941
CVE-2020-28941 affects the Linux kernel’s Speakup screen reader (drivers/accessibility/spk_ttyio.c) up to version 5.9.9. Local attackers could trigger a denial of service by an invalid free when the line discipline is used more than once, leading to a system crash. The issue is confirmed in multi...
CVE-2020-29369
CVE-2020-29369 is a real Linux kernel vulnerability described in the connected docs. It is a race condition in mm/mmap.c (expand_downwards vs. expand_upwards) that can occur during munmap page-table free operations, present in Linux kernels before 5.7.11 (CID-246c320a8cfe). The issue is triggered...
CVE-2021-3428
CVE-2021-3428 describes a Linux kernel flaw in ext4: crafting an ext4 extent can overflow an integer in fs/ext4/extents.c (ext4_es_cache_extent), potentially allowing a local attacker with a privileged user to crash the system and cause an availability impact. Connected Nessus entry (UNITY_LINUX_...
CVE-2022-1652
CVE-2022-1652 is a Linux kernel local-use-after-free fault in bad_flp_intr that could allow a local attacker to execute arbitrary code or cause a denial of service. Multiple connected advisories confirm the issue resides in the Linux kernel and that mitigation is to apply patched kernel updates (...
CVE-2023-1390
CVE-2023-1390 is a remote DoS in the Linux kernel TIPC module. The advisory describes a flaw in tipc_link_xmit() where a loop encounters an unknown state while parsing SKBs not in the queue, and sending two small UDP packets to a system with a UDP bearer can cause CPU utilization to spike to 100%...
CVE-2024-50133
CVE-2024-50133 (LoongArch Linux kernel) : The issue occurs when a task without a vDSO mapping (e.g., kthreads) calls stack_top(), dereferencing a NULL vdso pointer and crashing. Reported in the Linux kernel with a concrete path, including kunit-related stack traces, indicating the root cause is a...
CVE-2016-5696
Technical details about CVE-2016-5696 are not publicly provided in the supplied connected documents; monitor for updates.
CVE-2021-29646
CVE-2021-29646 involves the Linux kernel, where the function tipc_nl_retrieve_key in net/tipc/node.c shows insufficient validation of data sizes. Connected docs confirm concrete details: affected component is the kernel tipc subsystem, with a fix implemented in kernel 5.11.11 (and Fedora/Mariner ...
CVE-2022-26966
CVE-2022-26966 affects the Linux kernel up to 5.16.12, via the drivers/net/usb/sr9700.c component. A local attacker can attach a specially crafted USB device and cause information disclosure by leaking heap memory from the device, as described in multiple connected documents (upstream kernel note...
CVE-2022-3625
CVE-2022-3625 affects the Linux kernel, specifically the devlink subsystem. The issue is a use-after-free in the functions devlink_param_set and devlink_param_get in net/core/devlink.c, enabling a remote authenticated attacker on the local network to cause a denial of service. A patch is availabl...
CVE-2023-52918
CVE-2023-52918 – Linux kernel (media: pci: cx23885) The vulnerability concerns the cx23885 video device initialization in the Linux kernel’s media: pci subsystem. cx23885_vdev_init() can return a NULL pointer, but the caller previously used that pointer without checking it. The fix adds a NULL po...
CVE-2020-29371
CVE-2020-29371 affects Linux kernel romfs_dev_read (fs/romfs/storage.c) prior to 5.8.4, where uninitialized memory leaks to userspace. The vulnerability stems from uninitialized memory paths, enabling leakage to user space. Affected component is the ROMFS code in the kernel; no exploit details ar...
CVE-2024-42154
CVE-2024-42154 : In the Linux kernel, the vulnerability is in tcp_metrics: validate source addr length. The issue is that TCP_METRICS_ATTR_SADDR_IPV4 may be stored with fewer than 4 bytes and the policy lacks an entry for this attribute (IPv6 similarly manually validated). Root cause: missing len...
CVE-2012-6647
The CVE-2012-6647 issue affects the Linux kernel futex_wait_requeue_pi implementation in kernel/futex.c, vulnerable in versions before 3.5.1. The flaw allows a local attacker to cause a denial of service via a crafted FUTEX_WAIT_REQUEUE_PI command resulting in a NULL pointer dereference and syste...
CVE-2018-14734
CVE-2018-14734 affects the Linux kernel before 4.17.11, where ucma_leave_multicast can access a data structure after cleanup in ucma_process_join, enabling a use-after-free that leads to DoS. The vulnerability is in drivers/infiniband/core/ucma.c. Exploitation status is not provided in the suppli...
CVE-2021-44879
CVE-2021-44879 affects the Linux kernel’s f2fs implementation: in gc_data_segment (fs/f2fs/gc.c) zeroing out or moving pages does not treat special files, causing a NULL pointer dereference in move_data_page and potentially a crash. The issue is fixed in Linux 5.16.3 (ChangeLog-5.16.3). Affected ...
CVE-2022-1263
CVE-2022-1263 is a Linux kernel KVM NULL pointer dereference bug that triggers when releasing a vCPU with dirty ring support enabled. An unprivileged local attacker on the host can issue specific ioctl calls to cause a kernel oops and DoS. Public advisories (e.g., Amazon Linux 2 ALAS2KERNEL-5.15-...
CVE-2023-1281
CVE-2023-1281 is a Linux kernel use-after-free in the traffic control index filter (tcindex) that permits local privilege escalation to root. The vulnerability stems from updating an imperfect hash area while packets traverse; a use-after-free occurs when tcf_exts_exec() accesses a destroyed tcf_...
CVE-2023-3161
CVE-2023-3161 : Linux Kernel fbcon has a shift-out-of-bounds in fbcon_set_font when font->width/height > 32, causing undefined behavior and potential denial of service. Connected documents corroborate the same fbcon font handling issue in the Linux kernel. The Astra Linux bulletin mentions ...
CVE-2023-52827
CVE-2023-52827 concerns the Linux kernel’s wifi ath12k code. The issue is a potential out-of-bounds read in ath12k_htt_pull_ppdu_stats(), caused by len being extracted from an HTT message without sufficient validation; an unexpected value could occur during message iteration/parsing. The same ris...
CVE-2023-6040
CVE-2023-6040 is an out-of-bounds access in the Linux kernel netfilter nf_tables code. The issue arises when creating a new nf_tables table with an invalid nf_tables family value (pf), leading to out-of-bounds access in nf_tables_newtable. The vulnerability is classified as LOCAL with high impact...
CVE-2024-26777
CVE-2024-26777 concerns Linux kernel fbdev drivers (sis and savage) where pixclock may be used as a divisor before being validated, enabling a divide-by-zero error via user-supplied ioctl values. The root cause is that pixclock is used in calculations (e.g., drate) before a zero check, with fixes...
CVE-2024-46740
CVE-2024-46740 affects the Linux kernel binder subsystem. The issue arises when copying raw data between binder objects during transactions: there is no bounds check for data outside the target data section, so excess raw data can overwrite the offsets section. This can corrupt object indices dur...
CVE-2024-46781
In the Linux kernel, CVE-2024-46781 concerns nilfs2: a use-after-free could occur during rollforward recovery if an error happens before the log writer starts and recovered inodes are left in the ns_dirty_files list. The fix cleans up inodes that have recovered data when the recovery path fails m...
CVE-2015-5157
CVE-2015-5157 affects the Linux kernel prior to 4.1.6 on x86_64. The issue is in arch/x86/entry/entry_64.S where IRET faults during NMIs that occur in userspace are mishandled, potentially allowing a local user to gain privileges. The vulnerability is described in several connected advisories as ...
CVE-2016-9793
The CVE-2016-9793 issue affects the Linux kernel 4.8.x lineage prior to 4.8.14. The sock_setsockopt implementation in net/core/sock.c mishandles negative values for sk_sndbuf and sk_rcvbuf, enabling a local attacker with CAP_NET_ADMIN to trigger memory corruption and a potential denial of service...
CVE-2017-17448
CVE-2017-17448 affects the Linux kernel’s netfilter nfnetlink_cthelper.c: CAP_NET_ADMIN is not required for new/get/del operations, because nfnl_cthelper_list is shared across all net namespaces. This enables local attackers to bypass access restrictions. Impact is local privilege/access restrict...
CVE-2017-7518
CVE-2017-7518: In the Linux kernel before 4.12, the KVM module mishandles the trap-flag TF in EFLAGS during syscall emulation, causing a debug exception (#DB) on the guest stack. This could allow a user/process inside a guest to escalate privileges within the guest (Linux guests only; host kernel...
CVE-2018-1094
CVE-2018-1094 affects the Linux kernel ext4 subsystem: the ext4_fill_super routine in fs/ext4/super.c up to version 4.15.15 does not reliably initialize the crc32c checksum driver, enabling a crafted ext4 image to trigger a NULL pointer dereference in ext4_xattr_inode_hash and cause a denial of s...
CVE-2020-10781
CVE-2020-10781 affects the Linux kernel ZRAM module: a local attacker who can read /sys/class/zram-control/hot_add can create ZRAM device nodes in /dev, and repeated reads can allocated memory and trigger OOM killer, potentially making the system inoperable. Connected advisories (e.g., ALAS2KERNE...
CVE-2020-26088
CVE-2020-26088 affects the Linux kernel up to version 5.8.2, where a missing CAP_NET_RAW check in NFC socket creation (net/nfc/rawsock.c) could let a local attacker create raw sockets and bypass security mechanisms. This is demonstrated in multiple Nessus advisories (Unity Linux/OpenSUSE/EulerOS ...
CVE-2023-26242
CVE-2023-26242 concerns an integer overflow in afu_mmio_region_get_by_offset located in drivers/fpga/dfl-afu-region.c of the Linux kernel, reported to be vulnerable through kernel version 6.1.12. The connected Nessus plugin notes Linux distros unpatched for CVE-2023-26242, indicating there is no ...
CVE-2023-28772
Summary of CVE-2023-28772 : The Linux kernel prior to 5.13.3 contains a vulnerability in lib/seq_buf.c: seq_buf_putmem_hex exploitable via a buffer overflow in the seq_buf_putmem_hex path. This could allow a local attacker to overflow a buffer and potentially crash or corrupt kernel memory, with ...
CVE-2024-53096
CVE-2024-53096: Linux kernel patch resolves faulty mmap_region() error path. Key changes move core logic into __mmap_region(), perform upfront validations, and unwind writable/ seal checks earlier. Effects include preallocating iterator state before file-backed hooks, early handling of mapping_ma...
CVE-2012-0056
The Linux kernel (versions before 3.2.2 ) is vulnerable to a privilege escalation flaw in the mem_write function. When ASLR is disabled, the function fails to properly check permissions when writing to /proc//mem . This allows local users to modify process memory to gain elevated privileges, a vu...
CVE-2016-9794
CVE-2016-9794 is a local, use-after-free race in ALSA’s snd_pcm_period_elapsed() in the Linux kernel before 4.7. A crafted SNDRV_PCM_TRIGGER_START can trigger memory corruption, enabling a local attacker to cause a denial of service (and possibly other impact) on affected systems. Public write-up...
CVE-2019-18811
CVE-2019-18811 : A memory leak in the Linux kernel’s sound/soc/sof/ipc.c function sof_set_get_large_ctrl_data() (triggered by sof_get_ctrl_copy_params() failures) can cause memory consumption leading to Denial of Service. Affected versions are up to 5.3.9; the root cause is a memory leak in sof_s...
CVE-2021-20239
CVE-2021-20239 describes a flaw in the Linux kernel prior to 5.4.92 within the BPF protocol. A local attacker can leak information about kernel internal addresses, impacting confidentiality. The issue is tied to the BPF verifier/run-time handling and does not require remote access. Affected produ...
CVE-2022-48627
A memory overlapping copy vulnerability exists in the Linux kernel 's vt component. The flaw occurs when deleting a long line from the buffer, causing a memory overlap that can lead to data corruption when scr_memcpyw is optimized to memcpy, as memcpy does not guarantee safe behavior for overlapp...
CVE-2024-0841
CVE-2024-0841 : A null pointer dereference in the Linux kernel hugetlbfs (HugeTLB pages) causes local crash and could potentially enable privilege escalation via hugetlbfs_fill_super. Connected sources confirm the flaw is in the hugetlbfs path of the kernel. The available documents do not provide...
CVE-2024-36016
CVE-2024-36016 is a Linux kernel vulnerability affecting the tty n_gsm path (gsm0_receive, gsm1_receive). The advisory details a possible out-of-bounds write when switching between basic/advanced option modes and not resetting state, length, or MRU across reconfigurations. The fixed code changes ...
CVE-2024-49974
CVE-2024-49974 : In the Linux kernel NFSD, there was no limit on concurrent async COPY operations, enabling potential DoS as each async COPY could create many 4MB chunks and run long. A fix introduces a simple per-namespace restriction to bound concurrent background COPY operations. When the limi...
CVE-2016-2384
The CVE-2016-2384 issue affects the Linux kernel (snd_usbmidi_create in sound/usb/midi.c) prior to 4.5, caused by a double-free when handling an invalid USB descriptor. This can enable physically proximate attackers to trigger a denial of service (panic) or potentially other unspecified impacts. ...
CVE-2018-10938
CVE-2018-10938 is a DoS in the Linux kernel (present since v4.0-rc1 to v4.13-rc4) where a crafted remote network packet can force an infinite loop in cipso_v4_optptr() (net/ipv4/cipso_ipv4.c). Exploitation requires a non-default LSM/NetLabel configuration. The issue is triggered by network packet...
CVE-2019-19816
CVE-2019-19816 affects the Linux kernel 5.0.21: mounting a crafted btrfs image can trigger a slab-out-of-bounds write in __btrfs_map_block in fs/btrfs/volumes.c due to mishandling of the data stripes value = 1. The connected Nessus advisory blocks (Unity Linux UTSA-2026-004332 and related plugin ...
CVE-2023-1652
CVE-2023-1652 refers to a use-after-free in nfsd4_ssc_setup_dul (fs/nfsd/nfs4proc.c) of the Linux kernel’s NFS subsystem that can let a local attacker crash the system or leak kernel information. Connected advisories confirm the issue exists in the Linux kernel and indicate remediation via kernel...
CVE-2024-53122
CVE-2024-53122 affects the Linux kernel mptcp subsystem. A race during subflow creation in mptcp_rcv_space_adjust could cause a racing recvmsg() to trigger tcp_cleanup_rbuf() on all current subflows, potentially leading to a divide-by-zero in newly created subflows. The fix explicitly checks subf...
CVE-2019-19602
CVE-2019-19602 – Linux kernel fpregs_state_valid cache issue : In arch/x86/include/asm/fpu/internal.h, the fpu_fpregs_owner_ctx caching can mishandle signal-based preemption when compiling with GCC 9, on amd64, leading to context-dependent attackers causing a memory corruption DoS and potentially...
CVE-2021-28715
CVE-2021-28715 concerns the Linux kernel netback driver in Xen guests. The Xen netback path buffers incoming guest data until the guest processes it, and although there are safeguards to limit buffering, an attacker running in a guest can bypass them. Specifically, when using UDP on a fast interf...