These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.
A vulnerability in the Linux kernel's GRO (Generic Receive Offload) feature allows for improper validation of BIG TCP aggregation criteria. This can lead to issues including out-of-bounds writes and packet aggregation beyond the 64KB limit for non-IP protocols and encapsulated flows. The vulnerability arises from incorrect checks in the skb_gro_receive() function, which improperly handles BIG TCP aggregat [truncated]
The CVE-2026-80724 vulnerability in the Linux kernel allows local users to corrupt host-written timekeeping data. The issue arises from the vmclock_miscdev_mmap() function not properly preventing read-only mappings from becoming writable. Userspace can map the page read-only and then upgrade it to writable with mprotect(), allowing the guest to corrupt the host-written timekeeping data. This vulnerability [truncated]
The Linux kernel vulnerability CVE-2026-80723 was patched to address an out-of-bounds write issue when handling dynamic reserved memory regions. This vulnerability affects Linux kernel users and administrators, who should be aware of this issue and take steps to ensure their systems are updated with the latest security patches. The patch adds a bounds check to prevent writing past the end of a local array [truncated]
The Linux kernel vulnerability, CVE-2026-80722, affects wifi mac80211 users. The vulnerability class involves individual TWT params being passed to drv_add_twt_setup() with twt->length too short for the full struct ieee80211_twt_params. The likely operational impact includes potential issues with wifi mac80211. The source-confidence limits are based on limited information available. To review and address [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-28T08:16:57.903Z and has not been modified since then. The vulnerability affects Linux kernel users and distributors who rely on Bluetooth functionality. Linux kernel maintainers, Linux distribution vendors, and users of Linux systems with Bluetooth functionality should be aware of this vulnerabilit [truncated]
The Linux kernel has a vulnerability (CVE-2026-80720) that can cause a deadlock when iomap_split_ioend splits bios already from iomap_ioend_bioset, leading to potential resource exhaustion and denial of service. This issue has been resolved by adding a separate bio_set for iomap_split_ioend. Linux kernel developers, administrators, and users should review and apply the kernel patch, monitor system logs fo [truncated]
The Linux kernel vulnerability CVE-2026-80717 involves a flaw in the handling of the Adaptation Layer Indication parameter. This vulnerability can lead to the disclosure of four receive-buffer tail bytes when a malformed parameter is encountered. Linux kernel users and administrators should be aware of this vulnerability and take steps to patch their systems. The CVE record was published on 2026-08-28T08: [truncated]
The Linux kernel's ALSA pcm component has a vulnerability where an on-stack wait entry is not properly removed when a linked stream is unlinked, potentially leading to a use-after-free condition. This issue has been resolved by waking linked drain waiters on unlink. The vulnerability affects Linux kernel users who utilize ALSA pcm in their systems. A high CVSS score of 7.8 and HIGH severity classification [truncated]
The Linux kernel was found to have a vulnerability, CVE-2026-80713, which could allow for privilege escalation attacks. This vulnerability was resolved by preserving task restrictions across exec. The per-task restrictions apply to all rings created by a task and should not be dropped across exec. The exec cancellation path calls __io_uring_free(), which frees both the task context and the per-task restri [truncated]
The Linux kernel vulnerability CVE-2026-80712 was resolved by writing the feature value before executing SET_FEATURE in the spi-qpic-snand driver. The vulnerability caused the chip to be programmed with an unintended value, leading to issues with OTP mode and flash usability. This issue affected systems utilizing the Linux kernel with the specific driver, potentially impacting device functionality and sec [truncated]
The Linux kernel vulnerability CVE-2026-80710 is caused by an undersized format-check buffer in the dasd_eckd_check_device_format() function. This buffer size issue can lead to a buffer overflow when dealing with large track ranges, potentially allowing a local attacker with low privileges to execute arbitrary code. Linux kernel users, system administrators, and security teams should be aware of this vuln [truncated]
A vulnerability in the Linux kernel has been resolved. The can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer to ensure it contains no residual data. This change helps prevent potential data exposure through uninitialized buffers in the j1939_session_fresh_new() function. Linux kernel users and administrators should review the impact on their systems, especially if they utilize CA [truncated]
The Linux kernel vulnerability CVE-2026-80706 was resolved by validating firmware record spans in the `fw_parse()` function. The vulnerability allowed for potential reads and writes beyond the firmware blob boundaries, which could lead to security issues. This vulnerability affects Linux kernel deployments and has a high severity impact. It is recommended that Linux kernel developers and maintainers revie [truncated]
The Linux kernel vulnerability, CVE-2026-80703, involves a missing authorization check in the KFD_IOC_DBG_TRAP_DISABLE function. This issue could allow users with /dev/kfd access to terminate another process's debug session without proper ownership or ptrace authorization. The vulnerability has been resolved in the Linux kernel. Linux kernel users, system administrators, and security teams should be aware [truncated]
The CVE-2026-80696 vulnerability involves an out-of-bounds access issue in the ltc4282 hwmon driver of the Linux kernel. This issue was reported by Coverity and involves reading the minimum alarm voltage for the VGPIO channel. A fix has been applied by adding a missing return statement. This patch prevents potential local privilege escalation. Linux kernel users and administrators should be aware of this [truncated]
The CVE-2026-80694 vulnerability is a critical issue in the mtk_eth_soc driver of the Linux kernel, with a CVSS score of 9.8. It occurs when the mtk_handle_irq_rx function, expecting a struct mtk_eth *, is incorrectly passed a net_device * by the mtk_poll_controller function. This can lead to system crashes when ndo_poll_controller is called with CONFIG_NET_POLL_CONTROLLER enabled. Affected Linux kernel u [truncated]
A vulnerability in the Linux kernel has been resolved, impacting the idpf driver. The issue arises from the idpf_get_reg_intr_vecs() function, which fills the reg_vals[] array from the VIRTCHNL2_OP_ALLOC_VECTORS reply without properly bounding its inner loop to the allocated array size. This can lead to a KASAN slab-out-of-bounds write if the sum of per-chunk num_vectors exceeds num_allocated_vectors. The [truncated]
A theoretical use-after-free vulnerability exists in the Linux kernel's Bluetooth hci_sync functionality. Holding a reference count on the connection can prevent this issue. The vulnerability arises if the connection is freed while the hci_sync task is running. To mitigate this, developers should review the Linux kernel patch history and Bluetooth hci_sync implementation details. Organizations relying on [truncated]
A high-severity vulnerability was found in the Linux kernel, specifically in the iblock_execute_pr_out() function. The vulnerability allows for a NULL pointer dereference when checking callback capabilities through ops->pr_clear for PREEMPT, PREEMPT_AND_ABORT, and RELEASE operations. This issue arises because the function does not properly check if the required hooks are supported before calling them, pot [truncated]
A NULL pointer dereference vulnerability was found in the Linux kernel's tracing/mmiotrace subsystem. The vulnerability occurs when the mmio_trace_array is NULL, and the logging functions mmio_trace_rw() and mmio_trace_mapping() are invoked, leading to a crash. This issue has been resolved by adding an explicit NULL check for mmio_trace_array in the logging functions.
A flaw was found in the Linux kernel's snapshot_page() function, which could lead to a fault when reading __page_2 for order-1 folios. This issue arises when an order-1 folio is allocated at the end of a vmemmap section, causing __page_2 to not exist. The flaw was resolved by modifying the snapshot_page() function to only read __page_2 when nr_pages > 2.
A critical vulnerability was found in the Linux kernel, specifically in the KVM s390 pci component. The vulnerability arises from a NULL pointer dereference that occurs when the airq_iv_create() function returns NULL, indicating an allocation failure. This NULL value is not checked and leads to a failure when dereferenced in the kvm_zpci_set_airq() function. The vulnerability has a CVSS score of 9.3 and i [truncated]
The Linux kernel Bluetooth SCO subsystem has a use-after-free vulnerability. When close() races with the controller's Disconnection Complete event, it leads to a reference count underflow and use-after-free. The bug was fixed by giving the socket its own sco_conn reference. This vulnerability affects Linux kernel users, administrators, and developers. The CVSS score is 8.8 and is classified as HIGH severity.
The Linux kernel vulnerability, CVE-2026-80682, affects systems utilizing the RISC-V architecture. This vulnerability stems from improper alignment in the computation of vmemmap_start_pfn, which could lead to local privilege escalation attacks. The issue arises from the incorrect conversion of MAX_FOLIO_VMEMMAP_ALIGN to a physical alignment used in VMEMMAP_ADDR_ALIGN. To address this, a patch has been app [truncated]
A use-after-free vulnerability was found in the Linux kernel's vxlan implementation. The issue arises when the `route_shortcircuit()` function is called, which may reallocate the `skb->head` memory. This reallocation can cause the cached `eth` header pointer to point to freed memory, leading to a use-after-free error when dereferencing `eth->h_dest`. The vulnerability has been resolved by updating the `et [truncated]
A race condition and error handling vulnerability in the i2c_imx_reg_slave() function of the Linux kernel has been resolved. The vulnerability could cause subsequent registration attempts to fail with -EBUSY and potentially lead to a NULL pointer dereference in the interrupt handler i2c_imx_isr(). This issue arises from a race condition in the i2c_imx_reg_slave() function where the slave pointer was assig [truncated]
A race condition vulnerability was found in the Linux kernel's driver core, specifically in the dev_has_sync_state() function. This function reads the dev->driver field twice without holding the device_lock, which can lead to a use-after-free vulnerability if the driver is unbound concurrently. The vulnerability has a CVSS score of 7.8 and is classified as HIGH severity. The issue was resolved by using RE [truncated]
The CVE-2026-80675 vulnerability is related to the Linux kernel and involves a problem with the libbpf library. The loader verifies map->sha against the metadata hash in its instructions. Without exclusivity, another BPF program with map access can mutate the contents afterwards. System administrators and users of the Linux kernel should be aware of this vulnerability and take necessary actions to update [truncated]
The Linux kernel vulnerability (CVE-2026-80674) is related to the handling of resident attribute lists in the NTFS filesystem. This vulnerability allows for out-of-bounds reads due to improper validation. Linux kernel users and administrators should prioritize assessment and patching of this vulnerability. The issue was resolved by factoring the per-entry validation into a separate function and using it i [truncated]
The Linux kernel vulnerability, CVE-2026-80673, is a critical slab out-of-bounds read issue in the ntfs_external_attr_find() function. This vulnerability allows for potential information disclosure or system crashes when an inode is read. It affects Linux kernel developers, Linux distribution maintainers, and users of Linux-based systems. The issue is resolved by validating the look-ahead entry with ntfs_ [truncated]