CVE-2021-3739

CVE-2021-3739 is a local NULL pointer dereference in the Linux kernel’s btrfs_rm_device() (fs/btrfs/volumes.c) that requires CAP_SYS_ADMIN to trigger. The issue can crash the system or leak kernel information, with impact to availability and, to a lesser extent, confidentiality. Multiple connecte...

CVE-2024-50014

CVE-2024-50014 – Linux kernel ext4 replay path issue Affects: Linux kernel ext4 on systems using fast-commit enabled filesystems (replay path). Affected code path is ext4_fc_replay during journal replay; the replay path attempts to lock sbi->s_bdev_wb_lock before it has been initialized. Root ...

CVE-2024-50282

The connected Astra Linux entry clarifies CVE-2024-50282 in the Linux kernel: a missing size check in drm/amdgpu_debugfs_gprwave_read() can cause a buffer overflow when size > 4K. The fix (cherry-picked commit f5d873f5825b40d886d03bd2aede91d4cf002434) adds the size check to prevent overflow. N...

CVE-2024-53078

In CVE-2024-53078, Linux kernel vulnerability exists in drm/tegra: probe() where the code checked for NULL after calling iommu_paging_domain_alloc(). The function does not return NULL pointers; it returns error pointers. The fix updates the check to treat error pointers correctly, aligning the pr...

CVE-2024-56647

CVE-2024-56647: In the Linux kernel, icmp host relookup can trigger ip_rt_bug when ARP/link conditions and xfrm are involved. The fix skips icmp relookup for locally generated packets (e.g., ICMP errors) to avoid dst->out being ip_rt_bug on loopback and similar scenarios. Reproduced scenario s...

CVE-2024-57798

CVE-2024-57798 affects the Linux kernel drm_dp_mst handling of MST up requests. If another thread removes MST topology during processing, mst_primary could be freed and set to NULL, risking a NULL pointer dereference in drm_dp_mst_handle_up_req(). The fix is to hold a reference to mst_primary whi...

CVE-2025-21887

In CVE-2025-21887, the Linux kernel overlayfs (ovl) had a use-after-free in ovl_dentry_remote/ovl_dentry_update_reval caused by calling dput(upper) before upper is no longer safe to use; the fix moves dput(upper) to after its final use in ovl_link_up, preventing the UAF. The issue is addressed in...

CVE-2017-1000370

CVE-2017-1000370 affects the Linux kernel (4.11.5 and earlier) on i386. The offset2lib patch vulnerability lets a PIE binary be execve’d with an enormous 1 GB argument/environment list, causing the stack to occupy 0x80000000 and the PIE binary to be mapped above 0x40000000, bypassing the patch’s ...

CVE-2018-16880

CVE-2018-16880 affects the Linux kernel’s handle_rx() in the vhost_net driver. Under specific conditions a malicious guest can trigger an out-of-bounds write in a kmalloc-8 slab on the host, potentially causing kernel memory corruption and a system panic; privilege escalation cannot be ruled out....

CVE-2021-20261

CVE-2021-20261 is a local race-condition vulnerability in the Linux kernel floppy disk drive controller (fd0) driver. The issue’s impact is mitigated by default file permissions on /dev/fd0 being root-only; changes to device permissions can greatly increase risk. The initial description notes a l...

CVE-2021-26934

CVE-2021-26934 affects the Linux kernel versions 4.18 through 5.10.16 as used by Xen. The root cause is that the backend allocation (be-alloc) mode of the drm_xen_front drivers was not intended to be a supported configuration, but this was not clearly stated in its support status entry. Public do...

CVE-2022-29156

The CVE-2022-29156 issue is a Linux kernel vulnerability: a double free in drivers/infiniband/ulp/rtrs/rtrs-clt.c (rtrs_clt_dev_release) present in kernels before 5.16.12. This is a local-attackable condition with high impact on confidentiality, integrity, and availability as reflected by CVSS. R...

CVE-2023-3111

CVE-2023-3111 is a use-after-free in the Btrfs filesystem driver (fs/btrfs/relocation.c, function prepare_to_relocate). The flaw can be triggered by calling btrfs_ioctl_balance() before btrfs_ioctl_defrag(), leading to potential kernel memory corruption. Public documentation in connected advisori...

CVE-2024-23307

CVE-2024-23307 affects the Linux kernel (md, raid, raid5 modules) with an Integer Overflow or Wraparound vulnerability. The connected Astra/Linux bulletin reproduces the same description but provides no technical details or patch information in the supplied documents. No mitigation details are pr...

CVE-2024-26675

CVE-2024-26675 (Linux kernel) affects the ppp_async path. The issue arises from MRU (Maximum Receive Unit) limits not being enforced for PPP async messages, which can trigger a warning in __alloc_pages via a memory/page allocation path when handling large skb allocations during PPP input. The des...

CVE-2024-26678

CVE-2024-26678 affects the Linux kernel’s x86/efistub pathway. The vulnerability arises from using a 1:1 file:memory mapping for the PE/COFF .compat section, which is an 8-byte dummy section containing the 32-bit entrypoint address of a 64-bit kernel image when booted from 32-bit firmware (CONFIG...

CVE-2024-35904

CVE-2024-35904 relates to a Linux kernel fix for SELinux: avoid dereferencing a garbage pointer after a mount failure. The patch ensures that when kern_mount() fails, the code returns in the error branch instead of continuing, preventing dereferencing the error pointer, and it drops the selinuxfs...

CVE-2024-42159

The CVE-2024-42159 entry corresponds to a Linux kernel vulnerability in the SCSI mpi3mr driver where values stored in mr_sas_port->phy_mask could exceed the field size, risking improper handling and potential memory corruption. Public advisories (ALAS/Red Hat/Debian) list the fixed kernel upda...

CVE-2024-46797

CVE-2024-46797 : In the Linux kernel (PowerPC/MCS qspinlock), a deadlock can occur when an interrupt happens in queued_spin_lock_slowpath() after qnodesp->count is incremented but before node->lock is initialized. This can allow a CPU to see stale lock values and write the wrong qnode’s nex...

CVE-2024-50125

The CVE-2024-50125 entry describes a Linux kernel Bluetooth SCO use-after-free issue: sco_sock_timeout may reference a conn that was unlinked/freed while waiting for sco_conn_lock. The patch fixes UAF by verifying that conn->sk is still valid (part of sco_sk_list) before use. Impact is High if...

CVE-2024-56739

CVE-2024-56739 affects the Linux kernel where a failed __rtc_read_time in rtc_timer_do_work() can leave struct rtc_time tm with uninitialized data, causing rtc_tm_to_ktime to yield a very large value and potentially trigger kernel softlockup via periodic timers. The published fix adds a check on ...

CVE-2025-21997

CVE-2025-21997 : In the Linux kernel, a vulnerability in the XDP socket (xsk) path fixes an integer overflow in xp_create_and_assign_umem(). Because i and pool->chunk_size are 32‑bit values, their product can wrap and be cast to 64‑bit, which may cause two distinct XDP buffers to point to the ...

CVE-2025-38106

Mode C: Concrete details found. The CVE-2025-38106 issue is in the Linux kernel io_uring/sqpoll path, where a use-after-free of sq->thread could occur when __io_uring_show_fdinfo() uses a freed task_struct. The SUSE/OpenSUSE advisory notes the fix: assign and look up sq->thread under RCU wi...

CVE-2010-4258

The CVE-2010-4258 issue affects the Linux kernel versions prior to 2.6.36.2. The do_exit function in kernel/exit.c mishandles a KERNEL_DS get_fs value, bypassing access_ok checks and enabling local privilege escalation by overwriting arbitrary kernel memory. Exploitation vectors include use of th...

CVE-2015-8830

CVE-2015-8830 is a Linux kernel vulnerability caused by an integer overflow in the aio_setup_single_vector path (fs/aio.c) when handling a large AIO iovec. The issue could allow a local attacker to cause a denial of service or potentially other impact, as described in the CVE entry and reflected ...

CVE-2019-19531

CVE-2019-19531 affects the Linux kernel prior to 5.2.9. The issue is a use-after-free triggered by a malicious USB device in the drivers/usb/misc/yurex.c component (CID-fc05481b2fca). Exploitation would occur locally (physical access) via crafted USB input, with the kernel potentially resolving t...

CVE-2021-3923

CVE-2021-3923 describes a local information-leak in the Linux kernel RDMA over InfiniBand path. A privileged local attacker can leak kernel stack data when issuing commands to /dev/infiniband/rdma_cm, with the impact noting potential to defeat kernel protections. Remediation/fixes are not detaile...

CVE-2022-48655

CVE-2022-48655 in the Linux kernel: vulnerability in the SCMI firmware path (arm_scmi) where reset domains descriptors could be accessed by index, risking out-of-bounds due to SCMI driver misbehavior. The root cause is lack of an internal consistency check before domain descriptor accesses. The f...

CVE-2022-48695

CVE-2022-48695 is a Linux kernel vulnerability in the scsi: mpt3sas driver that results in a use-after-free (refcount_t underflow) observed during controller reset. The issue is fixed in the kernel by the referenced commits listed in the connected sources. The vulnerability is described as a loca...

CVE-2023-2007

CVE-2023-2007 affects the DPT I2O Controller driver in the Linux kernel. The issue arises from missing locking during object operations, enabling a local attacker to escalate privileges and execute arbitrary code in kernel context. Public references in Unity Linux (UTSA-2026-004778) and multiple ...

CVE-2023-3006

CVE-2023-3006 describes a Spectre-BHB (Branch History Injection) cache-speculation vulnerability affecting AmpereOne hardware. Malicious code can use the CPU Branch History Buffer to influence mispredicted branches, triggering speculative execution that leads to cache allocation and potential inf...

CVE-2023-34324

The CVE describes a deadlock in Linux kernel Xen event channel handling when a close operation is performed in parallel with a Xen console action/interrupt in an unprivileged Xen guest. The issue occurs during removal of a paravirtual device or similar event-channel close, with 32-bit Arm guests ...

CVE-2023-52831

CVE-2023-52831 (Linux kernel) : The issue resides in cpu/hotplug logic when CPUs are isolated with isolcpus=. Offline-ing the last non-isolated (housekeeping) CPU can cause a WARN_ON in build_sched_domains and a subsequent panic due to an empty CPU mask in partition_sched_domains_locked(), leadin...

CVE-2024-26638

The Linux kernel is affected by a vulnerability in the nbd (Network Block Device) component where the struct msghdr was not always completely initialized. Due to the addition of several new fields to this structure, failure to ensure they are zeroed by default caused an uninitialized-value error....

CVE-2024-26686

CVE-2024-26686 refers to a Linux kernel issue where lock_task_sighand could trigger a hard lockup if NR_CPUS threads execute do_task_stat concurrently while a process has NR_THREADS. The fix changes do_task_stat() to gather thread/child statistics using sig->stats_lock outside the sighand lock...

CVE-2024-26907

CVE-2024-26907 affects the Linux kernel in the RDMA mlx5 stack. The vulnerability arises from a fortify source warning caused by a field-spanning write to eseg->inline_hdr.start in wr.c (memcpy path) during mlx5_ib_post_send, potentially enabling a local issue if exploited. Affected components...

CVE-2024-35822

The connected documents confirm CVE-2024-35822 affects the Linux kernel USB gadget mass storage path (usb_udc) where a thread may disable an endpoint while the main thread queues a request. Root cause: a warning in usb_ep_queue() was triggered instead of a functional failure. Fix: replacing WARN_...

CVE-2024-36020

The CVE-2024-36020 issue in the Linux kernel relates to the i40e driver: a VF pointer could be used uninitialized due to interchangeability of variables (v vs vf) introduced by a regression. A fix was implemented to remove redundant v, and to iterate using a single VF pointer across the affected ...

CVE-2024-36933

CVE-2024-36933 relates to the Linux kernel. The issue arises in nsh_gso_segment() when handling GSO packets with an outer header (example: ETH_P_8021AD) that NSH encapsulates. The inner protocol (e.g., NSH over Ethernet) can cause the outer header to be stripped or mispositioned due to misrestora...

CVE-2024-36968

The CVE-2024-36968 entry concerns the Linux kernel Bluetooth L2CAP path. Concrete details across connected docs show: the vulnerability arises in l2cap_le_flowctl_init() where MTU validation could fail, allowing division by zero and an integer overflow when hdev->le_mtu is out of the valid ran...

CVE-2024-36974

The CVE-2024-36974 issue affects the Linux kernel net/sched taprio: if a TCA_TAPRIO_ATTR_PRIOMAP attribute is provided, taprio_parse_mqprio_opt() must validate it; otherwise, a second taprio_change() with crafted mqprio attributes can cause kernel problems after a first, valid call sets dev->n...

CVE-2024-38627

CVE-2024-38627 (Linux kernel) : The vuln is a local double-free in the stm class during stm_register_device(). The code path frees the same stm object twice: the first free happens when stm_device_release() is triggered by put_device(&stm->dev), and a subsequent vfree(stm) on the next line res...

CVE-2024-47668

CVE-2024-47668 concerns the Linux kernel’s lib/generic-radix-tree.c, where a rare race in __genradix_ptr_alloc() can occur when the tree depth is increased. If a second thread increases the depth first, a preallocated node may be retained and later used, leaving it with a pointer to the old root ...

CVE-2024-56688

CVE-2024-56688 affects the Linux kernel sunrpc transport path. The vulnerability arises because XPRT_SOCK_UPD_TIMEOUT is not cleared when transport->sock is set to NULL during transport reset, so xs_tcp_send_request() may dereference transport->sock (now NULL). This can lead to a crash or d...

CVE-2024-56756

The CVE-2024-56756 issue occurs in the Linux kernel’s nvme-pci driver, where the HMB descriptor table could be freed with an incorrect size. The root cause is that __nvme_alloc_host_mem might exit earlier on memory allocation failure and end up using fewer descriptors than planned, causing an inc...

CVE-2025-39728

The CVE-2025-39728 issue is in the Linux kernel clock framework for Samsung clocks. With UBSAN_ARRAY_BOUNDS=y, code dereferences ctx->clk_data.hws before setting ctx->clk_data.num, causing an UBSAN array bounds panic. The fix moves the assignment of nr_clks (ctx->clk_data.num) before der...

CVE-2014-9322

CVE-2014-9322 affects the Linux kernel pre-3.17.5 where arch/x86/kernel/entry_64.S mishandles faults on the Stack Segment (SS) during IRET, allowing a local user to escalate privileges by accessing a GS Base address from the wrong space. Public PoC/exploitation (BadIRET) exists, illustrating loca...

CVE-2015-2150

CVE-2015-2150 affects Xen 3.3.x–4.5.x and the Linux kernel up to 3.19.1, where access to PCI command registers is not properly restricted. This can allow a local guest OS user to cause a denial of service (unexpected NMI, host crash) by disabling memory or I/O decoding for a PCI Express device an...

CVE-2016-0774

CVE-2016-0774 affects Linux kernel backports in Debian wheezy (before 3.2.73-2+deb7u3) and RHEL 7.1 (before 3.10.0-229.26.2). The flaw is in the pipe_read/pipe_write paths in fs/pipe.c where the side effects of failed __copy_to_user_inatomic/__copy_from_user_inatomic calls are not properly handle...

CVE-2018-12232

CVE-2018-12232: In the Linux kernel up to 4.17.1, there is a race between fchownat and close when targeting the same socket file descriptor. fchownat does not increment the file descriptor reference count, allowing close to set the socket to NULL during fchownat’s execution, causing a NULL pointe...