These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.
A use-after-free vulnerability was found in the Linux kernel's mac802154 subsystem. The mac802154_scan_worker() function captures a scanning sub-interface under RCU and then keeps dereferencing the netdev after rcu_read_unlock() and outside the rtnl. A concurrent DEL_INTERFACE or PHY removal can unregister the interface once the worker drops the rtnl between its two drv_set_channel() sections, leading to [truncated]
The Linux kernel's MCTP serial receive state machine vulnerability allows for out-of-bounds heap writes. An attacker with CAP_NET_ADMIN could attach the N_MCTP line discipline and bring the resulting mctpserialN netdev up to exploit this vulnerability. This vulnerability has a CVSS score of 9.6 and is considered CRITICAL. System administrators and security teams responsible for Linux kernel-based systems, [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-10T13:19:57.427Z and has not been modified since then. The NVD entry is currently Received. The CVE-2026-68123 vulnerability involves an issue with openvswitch in the Linux kernel, specifically related to GSO userspace truncation underflow. This issue arises from how OVS_ACTION_ATTR_TRUNC stores and [truncated]
A vulnerability in the Linux kernel has been resolved, which could lead to a peer refcount leak in TCP error paths. The issue arises when the TCP RX or TX error path calls ovpn_peer_hold() followed by schedule_work(&peer->tcp.defer_del_work), and the work item is already pending from the other path. This issue was resolved in the Linux kernel. Evidence is limited to CVE and NVD details. Defenders should v [truncated]
The Linux kernel has a vulnerability in the PPPoE (Point-to-Point Protocol over Ethernet) implementation. When sending a PPPoE message, the code saves a pointer to the PPPoE header before calling the device header callback function dev_hard_header(). However, this callback can reallocate the skb (socket buffer) head, invalidating the saved pointer. This can lead to writing six bytes through the stale poin [truncated]
The Linux kernel vulnerability CVE-2026-68120 relates to a TX hang issue in the rtase component caused by hardware packet parsing. The hardware parser may trigger a TX hang when encountering incomplete IPv4, IPv6, TCP, or UDP headers. Additionally, packets with transport data smaller than RTASE_MIN_PAD_LEN may also cause issues when identified for hardware PTP parsing. The driver applies workarounds by dr [truncated]
The Linux kernel has a vulnerability related to TCP-AO response padding, which could potentially lead to sensitive information being transmitted. This vulnerability affects Linux kernel users and administrators, network security teams, and operators. They should review their system configurations for potential exposure and verify their systems are updated with the latest security patches to mitigate poten [truncated]
The Linux kernel vulnerability CVE-2026-68118 relates to the handling of TCP challenge ACK for non-exact RST in the SYN-RECEIVED state. This vulnerability allows a non-exact RST to remove the request socket instead of eliciting a challenge ACK, contrary to RFC 9293 section 3.10.7.4. The issue has been resolved by applying the RFC 5961 reset check to ensure that non-exact in-window RST triggers a challenge [truncated]
A use-after-free vulnerability was found in the Linux kernel's TIPC (Transparent Inter-Process Communication) subsystem. When creating a new TIPC socket, if the insertion of the socket into the socket hash table fails, the socket's sk pointer is not cleared, leading to a use-after-free error when the socket is released. This vulnerability can cause a crash or potentially allow an attacker to execute arbit [truncated]
The Linux kernel's vxlan mdb implementation has a vulnerability that can cause source list corruption on a failed replace operation. This can lead to traffic forwarding issues. The issue has been resolved with a fix that marks new entries and properly handles rollback on failure. Operators and administrators of Linux kernel-based systems, especially those with remote access configurations, should be aware [truncated]
The Linux kernel vulnerability CVE-2026-68111 was resolved by replacing BUG_ON() with WARN_ON() in drm/amdgpu/gfx9. This change prevents kernel crashes for certain cases. The vulnerability was addressed in a commit (b71604f8685b0eba07866f4e8dc30f93e1931054) and picked from an upstream source. Evidence is limited; primary official records indicate a fix for a Linux kernel vulnerability. Further inventory c [truncated]
The Linux kernel has a vulnerability in drm/amdgpu/vce that could allow for out-of-bound memory access due to an integer overflow in image size. A fix has been implemented using 64-bit arithmetic to detect overflow and reject invalid dimensions. This vulnerability was resolved by modifying the Linux kernel to prevent such overflows, ensuring that dimensions are validated properly before reaching the hardw [truncated]
A vulnerability in the Linux kernel has been resolved, which could lead to a division by zero error when handling invalid UVD dimensions in the AMDGPU driver. This issue arises when width or height is less than 16, causing width_in_mb or height_in_mb to become 0, and subsequently fs_in_mb to be 0. The vulnerability is triggered in H264 and H264 Perf decode paths, potentially leading to denial of service o [truncated]
A Linux kernel vulnerability has been resolved, which could cause a kernel panic during driver load failure in the AMDGPU driver. The vulnerability arises from the KIQ ring being falsely marked as ready when MES init fails during driver load, leading to a kernel NULL pointer dereference. Users running the Linux kernel with the AMDGPU driver should be aware of this vulnerability and take steps to mitigate [truncated]
The Linux kernel has a vulnerability (CVE-2026-68104) that has been resolved by invoking pm_genpd_remove() before freeing genpd in the drm/amdgpu module. This change ensures that the genpd is unregistered from the global list prior to releasing its memory, and the pointer is cleared after free. The vulnerability has a high CVSS score of 7.8, indicating a high severity. System administrators and users of L [truncated]
The Linux kernel vulnerability, CVE-2026-68103, is a high-severity issue that allows users to potentially overwrite existing queue and doorbell mappings. This can cause problems like misrouting fence IRQ processing to a wrong queue and misleading the cleanup process of one queue, erasing the mapping of another queue. The issue arises from the use of xa_store_irq, which permits a later queue created with t [truncated]
The Linux kernel had a vulnerability where an aperture mapping leak occurred due to the order of operations in `amdgpu_pci_remove()`. This led to an orphaned entry in the x86 PAT interval tree on normal driver unload. The issue was resolved by switching to devres-managed mappings, ensuring cleanup regardless of `drm_dev_enter()` state. The fix involved changing the mapping approach for connected_to_cpu ha [truncated]
A vulnerability was found in the Linux kernel's ksmbd implementation. The check_add_overflow() function was used incorrectly, leading to a malformed ACL being produced. This could result in out-of-bounds reads when the ACL is re-parsed by clients or ksmbd itself. The issue was resolved by restoring the DACL size on check_add_overflow() to avoid malformed ACLs. The fix involves updating the Linux kernel to [truncated]
A high-severity vulnerability has been identified in the Linux kernel, specifically in the ksmbd module. The vulnerability is related to the handling of DACL (Discretionary Access Control List) dedup walk, which can lead to scanning past the copied ACE (Access Control Entry) array and inspecting buffer tail that does not contain valid ACEs. This issue arises when set_ntacl_dacl() stops copying ACEs before [truncated]
A vulnerability in the Linux kernel has been resolved, related to the ksmbd module's handling of ACE (Access Control Entry) sizes in relation to SID (Security Identifier) sub-authorities. The current implementation does not properly validate the ACE size against the number of sub-authorities in the SID, which could lead to the copying of undersized ACEs. This might cause the POSIX ACL (Access Control List [truncated]
A deadlock occurs in the audit subsystem when duplicating executable-related rules. The issue arises when a file is moved, triggering an fsnotify_move event. If an existing executable audit rule matches the file being moved, the audit subsystem calls audit_dupe_exe() to duplicate the watch and update the rule. This leads to a recursive locking deadlock.
A vulnerability was found in the Linux kernel's sched_ext component. The issue arises from the improper preservation of rq tracking across local DSQ dispatch, potentially leading to a lockdep assertion. The problem occurs when dispatch_to_local_dsq() runs from scx_bpf_dsq_move_to_local() while ops.dispatch() has recorded the current rq. This can cause a lock switch, triggering a lockdep assertion when res [truncated]
The Linux kernel vulnerability, CVE-2026-68093, allows for ASID collision after hotplug in KVM SVM, potentially causing stale TLB translations. This issue arises when a vCPU resumes execution on the same pCPU after the pCPU has gone through a hotplug cycle. The vulnerability impacts Linux system administrators and users of KVM SVM, who should apply the available fix to prevent potential ASID collisions an [truncated]
The Linux kernel vulnerability CVE-2026-68092 causes a boot delay in XEN HVM due to the jiffies clocksource being used before registration. The issue is resolved by ensuring the jiffies clocksource is initialized before its first usage in timekeeping_init(). This vulnerability affects Linux kernel users, particularly those utilizing XEN HVM, and requires prompt attention to prevent potential boot delay is [truncated]
A race condition vulnerability was found in the Linux kernel's debugobjects implementation. When debug objects are disabled due to an out-of-memory (OOM) situation, a concurrent access can lead to a use-after-free error. This can cause the timer callback function to be invoked with a stale object, resulting in a crash or unexpected behavior. The vulnerability was reported by syzbot and resolved by pluggin [truncated]
The Linux kernel has a vulnerability in the iio core that could potentially expose uninitialized data in debugfs. The issue arises when *ppos is non-zero, causing simple_write_to_buffer() to not initialize the start of buf[]. However, non-zero values for *ppos are not expected to work. The function now tests for non-zero *ppos at the start and returns -EINVAL in such cases.
A vulnerability in the Linux kernel has been resolved. The rndis_query_response() function did not perform a length check on the BufLength and BufOffset variables. This is a defensive concern for systems using the rndis gadget function. The vulnerability affects systems using the rndis gadget function. Linux kernel maintainers and users should review and apply the patch. The technical impact is related to [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-10T12:17:21.207Z and has not been modified since then. The vulnerability relates to data loss when collapsing file THPs in the Linux kernel. Affected systems may experience data loss under specific conditions. The issue arises from the interaction between khugepaged and writable-file openings, leadi [truncated]
The Linux kernel Bluetooth hci_uart module has a vulnerability related to HCI_UART_SENDING bit handling. The bit is not cleared when canceling write_work in hci_uart_close(), potentially blocking future writes when the device is reopened. To verify, defenders should review HCI_UART_SENDING bit handling in Bluetooth hci_uart module, check for HCI_UART_SENDING bit clearance in hci_uart_flush(), and review h [truncated]
A location monitor resource leak was found in the Linux kernel's tsi148 bridge. The tsi148_probe() function allocates a location monitor resource, which is not properly freed in the tsi148_remove() function. This leads to a resource leak on device unbind or module unload. The issue affects Linux kernel developers, administrators, and users who rely on the Linux kernel. The vulnerability has a medium defen [truncated]