CVSS: 8.8EPSS: 0%CPEs: 7EXPL: 0CVE-2026-23098 – netrom: fix double-free in nr_route_frame()
https://notcve.org/view.php?id=CVE-2026-23098
04 Feb 2026 — In the Linux kernel, the following vulnerability has been resolved: netrom: fix double-free in nr_route_frame() In nr_route_frame(), old_skb is immediately freed without checking if nr_neigh->ax25 pointer is NULL. Therefore, if nr_neigh->ax25 is NULL, the caller function will free old_skb again, causing a double-free bug. Therefore, to prevent this, we need to modify it to check whether nr_neigh->ax25 is NULL before freeing old_skb. Several vulnerabilities have been discovered in the Linux kernel that may l... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: -EPSS: 0%CPEs: 7EXPL: 0CVE-2026-23089 – ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free()
https://notcve.org/view.php?id=CVE-2026-23089
04 Feb 2026 — In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free() When snd_usb_create_mixer() fails, snd_usb_mixer_free() frees mixer->id_elems but the controls already added to the card still reference the freed memory. Later when snd_card_register() runs, the OSS mixer layer calls their callbacks and hits a use-after-free read. Call trace: get_ctl_value+0x63f/0x820 sound/usb/mixer.c:411 get_min_max_with_quirks.isra.0+0x240/0x1f40 sound/usb/mixe... • https://git.kernel.org/stable/c/6639b6c2367f884ca172b78d69f7da17bfab2e5e •
CVSS: 7.8EPSS: 0%CPEs: 7EXPL: 0CVE-2026-23074 – net/sched: Enforce that teql can only be used as root qdisc
https://notcve.org/view.php?id=CVE-2026-23074
04 Feb 2026 — In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc. We need to check for that constraint. Although not important, I will describe the scenario that unearthed this issue for the curious. GangMin Kim
CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0CVE-2025-71118 – ACPICA: Avoid walking the Namespace if start_node is NULL
https://notcve.org/view.php?id=CVE-2025-71118
14 Jan 2026 — In the Linux kernel, the following vulnerability has been resolved: ACPICA: Avoid walking the Namespace if start_node is NULL Although commit 0c9992315e73 ("ACPICA: Avoid walking the ACPI Namespace if it is not there") fixed the situation when both start_node and acpi_gbl_root_node are NULL, the Linux kernel mainline now still crashed on Honor Magicbook 14 Pro [1]. That happens due to the access to the member of parent_node in acpi_ns_get_next_node(). The NULL pointer dereference will always happen, no matt... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 6.9EPSS: 0%CPEs: 7EXPL: 0CVE-2025-71111 – hwmon: (w83791d) Convert macros to functions to avoid TOCTOU
https://notcve.org/view.php?id=CVE-2025-71111
14 Jan 2026 — In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83791d) Convert macros to functions to avoid TOCTOU The macro FAN_FROM_REG evaluates its arguments multiple times. When used in lockless contexts involving shared driver data, this leads to Time-of-Check to Time-of-Use (TOCTOU) race conditions, potentially causing divide-by-zero errors. Convert the macro to a static function. This guarantees that arguments are evaluated only once (pass-by-value), preventing the race conditions. Add... • https://git.kernel.org/stable/c/9873964d6eb24bd0205394f9b791de9eddbcb855 •
CVSS: 7.0EPSS: 0%CPEs: 7EXPL: 0CVE-2025-71075 – scsi: aic94xx: fix use-after-free in device removal path
https://notcve.org/view.php?id=CVE-2025-71075
13 Jan 2026 — In the Linux kernel, the following vulnerability has been resolved: scsi: aic94xx: fix use-after-free in device removal path The asd_pci_remove() function fails to synchronize with pending tasklets before freeing the asd_ha structure, leading to a potential use-after-free vulnerability. When a device removal is triggered (via hot-unplug or module unload), race condition can occur. The fix adds tasklet_kill() before freeing the asd_ha structure, ensuring all scheduled tasklets complete before cleanup proceed... • https://git.kernel.org/stable/c/2908d778ab3e244900c310974e1fc1c69066e450 •
CVSS: 7.2EPSS: 0%CPEs: 3EXPL: 0CVE-2025-71073 – Input: lkkbd - disable pending work before freeing device
https://notcve.org/view.php?id=CVE-2025-71073
13 Jan 2026 — In the Linux kernel, the following vulnerability has been resolved: Input: lkkbd - disable pending work before freeing device lkkbd_interrupt() schedules lk->tq via schedule_work(), and the work handler lkkbd_reinit() dereferences the lkkbd structure and its serio/input_dev fields. lkkbd_disconnect() and error paths in lkkbd_connect() free the lkkbd structure without preventing the reinit work from being queued again until serio_close() returns. This can allow the work handler to run after the structure has... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0CVE-2025-68797 – char: applicom: fix NULL pointer dereference in ac_ioctl
https://notcve.org/view.php?id=CVE-2025-68797
13 Jan 2026 — In the Linux kernel, the following vulnerability has been resolved: char: applicom: fix NULL pointer dereference in ac_ioctl Discovered by Atuin - Automated Vulnerability Discovery Engine. In ac_ioctl, the validation of IndexCard and the check for a valid RamIO pointer are skipped when cmd is 6. However, the function unconditionally executes readb(apbs[IndexCard].RamIO + VERS) at the end. If cmd is 6, IndexCard may reference a board that does not exist (where RamIO is NULL), leading to a NULL pointer derefe... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 7.2EPSS: 0%CPEs: 7EXPL: 0CVE-2025-68795 – ethtool: Avoid overflowing userspace buffer on stats query
https://notcve.org/view.php?id=CVE-2025-68795
13 Jan 2026 — In the Linux kernel, the following vulnerability has been resolved: ethtool: Avoid overflowing userspace buffer on stats query The ethtool -S command operates across three ioctl calls: ETHTOOL_GSSET_INFO for the size, ETHTOOL_GSTRINGS for the names, and ETHTOOL_GSTATS for the values. If the number of stats changes between these calls (e.g., due to device reconfiguration), userspace's buffer allocation will be incorrect, potentially leading to buffer overflow. Drivers are generally expected to maintain stabl... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0CVE-2025-68787 – netrom: Fix memory leak in nr_sendmsg()
https://notcve.org/view.php?id=CVE-2025-68787
13 Jan 2026 — In the Linux kernel, the following vulnerability has been resolved: netrom: Fix memory leak in nr_sendmsg() syzbot reported a memory leak [1]. When function sock_alloc_send_skb() return NULL in nr_output(), the original skb is not freed, which was allocated in nr_sendmsg(). Fix this by freeing it before return. [1] BUG: memory leak unreferenced object 0xffff888129f35500 (size 240): comm "syz.0.17", pid 6119, jiffies 4294944652 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ......... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •