These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.
The Linux kernel's ocfs2 filesystem has a vulnerability in the ocfs2_remove_refcount_extent function, leading to an out-of-bounds write. This occurs when unlinking a refcounted file whose refcount tree has leaf blocks, triggering a fortify panic. The issue arises from a bulk memset operation on &rb->rf_records, which writes past the 16-byte declared size of rf_records. The fix involves replacing the bulk [truncated]
The CVE-2026-80637 vulnerability involves an unaligned memory access issue in the Linux kernel's netfilter synproxy component. This issue arises from improper handling of timestamp adjustments, which can lead to performance degradation or crashes on strict alignment architectures. The vulnerability is resolved by using get_unaligned_be32() and put_unaligned_be32() to safely read and write timestamp fields [truncated]
The Linux kernel's wifi wcn36xx driver has an out-of-bounds read vulnerability due to insufficient validation of firmware response length, tracked as CVE-2026-80635. This HIGH-severity vulnerability, with a CVSS score of 8.8, could potentially corrupt BA session state. The vulnerability is resolved by adding validation that the response includes the candidate data. Affected product deployments should be r [truncated]
A critical vulnerability was resolved in the Linux kernel, related to netfilter flowtable and bridge VLAN untag handling. The issue could lead to an out-of-bounds stack read and incorrect route descriptor counts due to a potential underflow of `num_encaps`. This CVE has a CVSS score of 9.8 and was published on 2026-08-28T08:16:48.303Z. The vulnerability was addressed by moving the decrement of `num_encaps [truncated]
The Linux kernel's iommufd component has a vulnerability, CVE-2026-80633, which involves a missing lock in the release path of DMA buffer unpinning. This issue was identified during testing of the iommufd selftests. The iopt_release_pages function calls dma_buf_unpin without holding the required dma_resv lock, leading to a warning. The resolution involves taking the dma_resv lock around dma_buf_unpin in i [truncated]
A flaw was found in the Linux kernel's btrfs implementation. The lzo decompression code did not properly validate the length of compressed segments, allowing a crafted extent to cause a null pointer dereference. This issue has been resolved by rejecting any segment whose payload would extend beyond the compressed input size. The flaw occurs in the lzo_decompress_bio function, which did not correctly valid [truncated]
The CVE-2026-80630 vulnerability is related to the Linux kernel's net/sched: sch_fq_codel. The issue arises when fq_codel drops packets during peek, leading to incorrect qlen updates and potential deactivation of parent classes. A fix has been applied by only calling qdisc_tree_reduce_backlog in peek after the qlen is restored. This vulnerability affects Linux kernel users, particularly those using fq_cod [truncated]
The Linux kernel ALSA sequencer OSS implementation has a data race vulnerability. This vulnerability exists in the snd_seq_oss_readq_clear() function, which resets the read queue without acquiring the q->lock spinlock. This can cause a race with the snd_seq_oss_readq_free() or snd_seq_oss_readq_put_event() functions, leading to stale records in the queue, dropped queued events, or incorrect readiness repo [truncated]
The Linux kernel has a use-after-free vulnerability in the tlclk driver. A patch has been applied to improve the module cleanup process and prevent potential use-after-free and race conditions. This vulnerability affects the Linux kernel's tlclk driver, which is used for managing a specific hardware component. The patch improves the module cleanup process by setting '.owner = THIS_MODULE' in tlclk_fops, u [truncated]
The CVE-2026-80619 vulnerability was resolved in the Linux kernel, specifically addressing a potential use-after-free (UAF) issue in the AppArmor subsystem. The function aa_replace_profiles was accessing udata->size after calling aa_put_loaddata(udata), which could lead to a UAF. The fix involves saving the size to a local variable before dropping the reference. Linux kernel users and administrators, espe [truncated]
The Linux kernel vulnerability CVE-2026-80617 has been resolved. The issue was related to the airoha driver, where foe_check_time was declared as a u16 pointer but allocated with insufficient size, leading to a potential heap buffer overflow and kernel crash. This vulnerability affects Linux kernel users and administrators, who should review and apply kernel updates, monitor systems for potential kernel c [truncated]
A false-positive memcpy overflow vulnerability was found in the Linux kernel's dst_metadata, specifically in the tun_dst_unclone function. The issue arises when the structure is initialized with a zero options_len, which is later updated, triggering a warning for a potential memcpy overflow. This issue is triggered when built with clang and source fortification. The fix involves doing the copy in two stag [truncated]
A high-severity vulnerability was resolved in the Linux kernel, specifically in the emac driver. The issue involved a NULL pointer dereference in the emac_probe function. An early interrupt hitting emac_irq() would dereference the NULL dev->emacp and crash. The fix involves moving devm_request_irq() after devm_platform_ioremap_resource() to ensure dev->emacp is mapped before the interrupt handler can fire.
A use-after-free vulnerability was found in the Linux kernel's veth driver. During XDP enablement in veth, if xdp_rxq_info_reg() or xdp_rxq_info_reg_mem_model() fails, the driver rolls back the changes. However, the rollback loop decrements the loop index 'i' before the first iteration, which correctly skips unregistering the rxq for the failed index 'i' but erroneously skips calling netif_napi_deli() for [truncated]
The Linux kernel vulnerability (CVE-2026-80612) is related to the handling of skb metadata in LWT encapsulation. This issue can lead to potential data tampering or exposure in forwarded packets. The vulnerability arises from the interaction between LWT encapsulation and skb metadata in the headroom of the skb. Both non-BPF LWT encapsulations and BPF LWT xmit calls can cause this issue by moving or overwri [truncated]
The Linux kernel has a vulnerability that has been resolved: qede: fix out-of-bounds check for cqe->len_list[]. Move index check before element access. The CVE record was published on 2026-08-28T08:16:44.870Z and has not been modified since then. This vulnerability affects the Linux kernel, specifically the qede component, allowing for out-of-bounds access to cqe->len_list[]. The fix involves moving the i [truncated]
The Linux kernel's drm/xe/userptr component has a vulnerability that arises when CONFIG_DRM_XE_USERPTR_INVAL_INJECT=y. This configuration leads to a locking issue in xe_pt_svm_userptr_pre_commit(), causing an assertion failure due to incorrect locking mode. Linux kernel users and administrators, especially those using the drm/xe/userptr component, should be aware of this vulnerability and take steps to ap [truncated]
The CVE-2026-80604 vulnerability in the Linux kernel's HID core allows for an out-of-bounds read when a caller passes a size of 0 to hid_report_raw_event() for a numbered report. This results in an unvalidated call to hid_get_report(), which can cause a kernel panic. The issue is resolved by moving the numbered report size validation check before the call to hid_get_report(). Linux kernel users and admini [truncated]
A critical vulnerability was resolved in the Linux kernel, specifically within the netfilter component's nf_conntrack_irc module. The issue involves an off-by-one out-of-bounds read in the parse_dcc() function. This function incorrectly treats its end pointer as inclusive, leading to a potential read beyond the valid data region when searching for a newline character. Although the current allocation provi [truncated]
The Linux kernel has a vulnerability in the batman-adv module, specifically in the dat component. The issue arises from the improper handling of the ARP hw source after skb reallocation. This could lead to use-after-free vulnerabilities. The vulnerability has a CVSS score of 9.8, indicating critical severity. Users and administrators of Linux-based systems, particularly those using the batman-adv module, [truncated]
The CVE-2026-80599 vulnerability is an out-of-bounds access issue in the batman-adv module of the Linux kernel. This issue arises when the batadv_get_vid() function accesses the proto field of the ethernet header without ensuring the data is accessible. The caller is responsible for this check, but batadv_dat_get_vid() and its caller did not perform this verification. This could potentially lead to an out [truncated]
The Linux kernel has a vulnerability in the ntfs3 module, specifically in the decompress_lznt function, which does not validate array index bounds before accessing the decompression table. This can lead to an out-of-bounds read when a corrupted NTFS3 image with invalid compressed data is encountered. The issue has been resolved by adding index bounds checking to prevent the OOB access.
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-28T08:16:43.320Z and has not been modified since then. The NVD entry is currently Received. Linux kernel users, particularly those using the ims-pcu driver, should be aware of this vulnerability and take action to protect their systems. This includes verifying the ims-pcu driver is up-to-date, restr [truncated]
The Linux kernel has a vulnerability in the hwmon asus_atk0110 module, specifically in the atk_ec_present() function. This function does not check the package count before accessing elements, potentially leading to an out-of-bounds read. The issue has been resolved with additional checks. The vulnerability could allow local attackers to escalate privileges or cause denial-of-service conditions. Linux kern [truncated]
The Linux kernel vulnerability (CVE-2026-80591) relates to f2fs listxattr handling of corrupted xattr entries. The vulnerability has been resolved by validating the xattr entry before reading its fields in f2fs_listxattr(). This change prevents potential corruption and ensures the integrity of xattr entries. Linux kernel users should prioritize validating xattr entries to prevent potential corruption. Aff [truncated]
The Linux kernel has a vulnerability that has been resolved, related to the exchange-range reflink flag clearing issue with INO1_WRITTEN in the XFS filesystem. This issue arises when exchanging two full-file ranges and the XFS_EXCHMAPS_INO1_WRITTEN flag is set, leading to potential data corruption. The problem occurs because xfs_exchmaps_can_skip_mapping() can skip hole and unwritten mappings from file1, [truncated]
A vulnerability in the Linux kernel's AF_UNIX subsystem has been resolved. The issue involves a use-after-free vulnerability that could potentially lead to a denial of service or code execution. The vulnerability is caused by a race condition in the unix_del_edge function, which can lead to a use-after-free error. This issue was reported by Kyle Zeng and involves a complex scenario with concurrent send() [truncated]
The CVE-2026-74753 vulnerability is a HIGH severity issue in the Linux kernel that could allow local privilege escalation due to improper handling of perf events. A new sibling can be linked to a detached leader, and when the leader is closed, the sibling retains a group_leader pointer to the freed event. Rejecting group leaders in the EXIT state can prevent this issue. The vulnerability has been resolved [truncated]
A Linux kernel vulnerability (CVE-2026-74735) has been resolved, which could lead to tunnel and session reference leaks when closing /proc/net/pppol2tp or /sys/kernel/debug/l2tp/tunnels before reading to end-of-file. This vulnerability affects Linux kernel deployments and requires patching to prevent potential reference leaks. Linux system administrators should verify and apply the patch to prevent potent [truncated]
The Linux kernel has a use-after-free vulnerability in the route4 classifier fastmap. A race condition allows a reader to cache a pointer to a filter after it has been unlinked and freed by a writer. This can cause a KASAN slab-use-after-free report when a packet hits the stale fastmap entry. The vulnerability was introduced in the Linux kernel's route4 classifier fastmap. The route4 classifier maintains [truncated]