CVSS: 7.1EPSS: 0%CPEs: 3EXPL: 0CVE-2025-40057 – ptp: Add a upper bound on max_vclocks
https://notcve.org/view.php?id=CVE-2025-40057
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: ptp: Add a upper bound on max_vclocks syzbot reported WARNING in max_vclocks_store. This occurs when the argument max is too large for kcalloc to handle. Extend the guard to guard against values that are too large for kcalloc In the Linux kernel, the following vulnerability has been resolved: ptp: Add a upper bound on max_vclocks syzbot reported WARNING in max_vclocks_store. This occurs when the argument max is too large for kcalloc to hand... • https://git.kernel.org/stable/c/73f37068d540eba5f93ba3a0019bf479d35ebd76 •
CVSS: 7.8EPSS: 0%CPEs: 8EXPL: 0CVE-2025-40055 – ocfs2: fix double free in user_cluster_connect()
https://notcve.org/view.php?id=CVE-2025-40055
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix double free in user_cluster_connect() user_cluster_disconnect() frees "conn->cc_private" which is "lc" but then the error handling frees "lc" a second time. Set "lc" to NULL on this path to avoid a double free. In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix double free in user_cluster_connect() user_cluster_disconnect() frees "conn->cc_private" which is "lc" but then the error handling frees "lc" a... • https://git.kernel.org/stable/c/c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 •
CVSS: 7.1EPSS: 0%CPEs: 2EXPL: 0CVE-2025-40054 – f2fs: fix UAF issue in f2fs_merge_page_bio()
https://notcve.org/view.php?id=CVE-2025-40054
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: f2fs: fix UAF issue in f2fs_merge_page_bio() As JY reported in bugzilla [1], Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 pc : [0xffffffe51d249484] f2fs_is_cp_guaranteed+0x70/0x98 lr : [0xffffffe51d24adbc] f2fs_merge_page_bio+0x520/0x6d4 CPU: 3 UID: 0 PID: 6790 Comm: kworker/u16:3 Tainted: P B W OE 6.12.30-android16-5-maybe-dirty-4k #1 5f7701c9cbf727d1eebe77c89bbbeb3371e895e5 Tainted: [P]=PROPRIETARY_... • https://git.kernel.org/stable/c/0b20fcec8651569935a10afe03fedc0b812d044e •
CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0CVE-2025-40053 – net: dlink: handle copy_thresh allocation failure
https://notcve.org/view.php?id=CVE-2025-40053
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: net: dlink: handle copy_thresh allocation failure The driver did not handle failure of `netdev_alloc_skb_ip_align()`. If the allocation failed, dereferencing `skb->protocol` could lead to a NULL pointer dereference. This patch tries to allocate `skb`. If the allocation fails, it falls back to the normal path. Tested-on: D-Link DGE-550T Rev-A3 In the Linux kernel, the following vulnerability has been resolved: net: dlink: handle copy_thresh ... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2025-40049 – Squashfs: fix uninit-value in squashfs_get_parent
https://notcve.org/view.php?id=CVE-2025-40049
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: Squashfs: fix uninit-value in squashfs_get_parent Syzkaller reports a "KMSAN: uninit-value in squashfs_get_parent" bug. This is caused by open_by_handle_at() being called with a file handle containing an invalid parent inode number. In particular the inode number is that of a symbolic link, rather than a directory. Squashfs_get_parent() gets called with that symbolic link inode, and accesses the parent member field. unsigned int parent_ino ... • https://git.kernel.org/stable/c/122601408d20c77704268f1dea9f9ce4abf997c2 •
CVSS: 8.4EPSS: 0%CPEs: 8EXPL: 0CVE-2025-40048 – uio_hv_generic: Let userspace take care of interrupt mask
https://notcve.org/view.php?id=CVE-2025-40048
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Let userspace take care of interrupt mask Remove the logic to set interrupt mask by default in uio_hv_generic driver as the interrupt mask value is supposed to be controlled completely by the user space. If the mask bit gets changed by the driver, concurrently with user mode operating on the ring, the mask bit may be set when it is supposed to be clear, and the user-mode driver will miss an interrupt which will cause a hang.... • https://git.kernel.org/stable/c/95096f2fbd10186d3e78a328b327afc71428f65f •
CVSS: 7.1EPSS: 0%CPEs: 8EXPL: 0CVE-2025-40044 – fs: udf: fix OOB read in lengthAllocDescs handling
https://notcve.org/view.php?id=CVE-2025-40044
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: fs: udf: fix OOB read in lengthAllocDescs handling When parsing Allocation Extent Descriptor, lengthAllocDescs comes from on-disk data and must be validated against the block size. Crafted or corrupted images may set lengthAllocDescs so that the total descriptor length (sizeof(allocExtDesc) + lengthAllocDescs) exceeds the buffer, leading udf_update_tag() to call crc_itu_t() on out-of-bounds memory and trigger a KASAN use-after-free read. BU... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 5.6EPSS: 0%CPEs: 6EXPL: 0CVE-2025-40043 – net: nfc: nci: Add parameter validation for packet data
https://notcve.org/view.php?id=CVE-2025-40043
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Add parameter validation for packet data Syzbot reported an uninitialized value bug in nci_init_req, which was introduced by commit 5aca7966d2a7 ("Merge tag 'perf-tools-fixes-for-v6.17-2025-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools"). This bug arises due to very limited and poor input validation that was done at nic_valid_size(). This validation only validates the skb->len (directly reflects size... • https://git.kernel.org/stable/c/6a2968aaf50c7a22fced77a5e24aa636281efca8 •
CVSS: 4.7EPSS: 0%CPEs: 8EXPL: 0CVE-2025-40042 – tracing: Fix race condition in kprobe initialization causing NULL pointer dereference
https://notcve.org/view.php?id=CVE-2025-40042
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race condition in kprobe initialization causing NULL pointer dereference There is a critical race condition in kprobe initialization that can lead to NULL pointer dereference and kernel crash. [1135630.084782] Unable to handle kernel paging request at virtual address 0000710a04630000 ... [1135630.260314] pstate: 404003c9 (nZcv DAIF +PAN -UAO) [1135630.269239] pc : kprobe_perf_func+0x30/0x260 [1135630.277643] lr : kprobe_dispatc... • https://git.kernel.org/stable/c/50d780560785b068c358675c5f0bf6c83b5c373e •
CVSS: 6.6EPSS: 0%CPEs: 5EXPL: 1CVE-2025-40040 – mm/ksm: fix flag-dropping behavior in ksm_madvise
https://notcve.org/view.php?id=CVE-2025-40040
28 Oct 2025 — In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksm_madvise syzkaller discovered the following crash: (kernel BUG) [ 44.607039] ------------[ cut here ]------------ [ 44.607422] kernel BUG at mm/userfaultfd.c:2067! [ 44.608148] Oops: invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC KASAN NOPTI [ 44.608814] CPU: 1 UID: 0 PID: 2475 Comm: reproducer Not tainted 6.16.0-rc6 #1 PREEMPT(none) [ 44.609635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), ... • https://packetstorm.news/files/id/212396 •