CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0CVE-2025-21821 – fbdev: omap: use threaded IRQ for LCD DMA
https://notcve.org/view.php?id=CVE-2025-21821
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: fbdev: omap: use threaded IRQ for LCD DMA When using touchscreen and framebuffer, Nokia 770 crashes easily with: BUG: scheduling while atomic: irq/144-ads7846/82/0x00010000 Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs omap_udc ohci_omap ohci_hcd CPU: 0 UID: 0 PID: 82 Comm: irq/144-ads7846 Not tainted 6.12.7-770 #2 Hardware name: Nokia 770 Call trace: unwind_backtrace from show_stack+0x10/0x14 show_stack fro... • https://git.kernel.org/stable/c/7bbbd311dd503653a2cc86d9226740883051dc92 •
CVSS: 7.1EPSS: 0%CPEs: 5EXPL: 0CVE-2025-21820 – tty: xilinx_uartps: split sysrq handling
https://notcve.org/view.php?id=CVE-2025-21820
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: tty: xilinx_uartps: split sysrq handling lockdep detects the following circular locking dependency: CPU 0 CPU 1 ========================== ============================ cdns_uart_isr() printk() uart_port_lock(port) console_lock() cdns_uart_console_write() if (!port->sysrq) uart_port_lock(port) uart_handle_break() port->sysrq = ... uart_handle_sysrq_char() printk() console_lock() The fixed commit attempts to avoid this situation by only takin... • https://git.kernel.org/stable/c/74ea66d4ca061a3cd4c0e924e51b60e924644852 •
CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0CVE-2025-21819 – Revert "drm/amd/display: Use HW lock mgr for PSR1"
https://notcve.org/view.php?id=CVE-2025-21819
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: Revert "drm/amd/display: Use HW lock mgr for PSR1" This reverts commit a2b5a9956269 ("drm/amd/display: Use HW lock mgr for PSR1") Because it may cause system hang while connect with two edp panel. In the Linux kernel, the following vulnerability has been resolved: Revert "drm/amd/display: Use HW lock mgr for PSR1" This reverts commit a2b5a9956269 ("drm/amd/display: Use HW lock mgr for PSR1") Because it may cause system hang while connect wi... • https://git.kernel.org/stable/c/b7d2461858ac75c9d6bc4ab8af1a738d0814b716 •
CVSS: 5.5EPSS: 0%CPEs: 2EXPL: 0CVE-2025-21817 – block: mark GFP_NOIO around sysfs ->store()
https://notcve.org/view.php?id=CVE-2025-21817
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: block: mark GFP_NOIO around sysfs ->store() sysfs ->store is called with queue freezed, meantime we have several ->store() callbacks(update_nr_requests, wbt, scheduler) to allocate memory with GFP_KERNEL which may run into direct reclaim code path, then potential deadlock can be caused. Fix the issue by marking NOIO around sysfs ->store() In the Linux kernel, the following vulnerability has been resolved: block: mark GFP_NOIO around sysfs -... • https://git.kernel.org/stable/c/2566ce907e5d5db8a039647208e029ce559baa31 •
CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0CVE-2025-21816 – hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING
https://notcve.org/view.php?id=CVE-2025-21816
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING hrtimers are migrated away from the dying CPU to any online target at the CPUHP_AP_HRTIMERS_DYING stage in order not to delay bandwidth timers handling tasks involved in the CPU hotplug forward progress. However wakeups can still be performed by the outgoing CPU after CPUHP_AP_HRTIMERS_DYING. Those can result again in bandwidth timers being armed. Depending on severa... • https://git.kernel.org/stable/c/5c0930ccaad5a74d74e8b18b648c5eb21ed2fe94 •
CVSS: -EPSS: 0%CPEs: 3EXPL: 0CVE-2025-21815 – mm/compaction: fix UBSAN shift-out-of-bounds warning
https://notcve.org/view.php?id=CVE-2025-21815
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning. In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of... • https://git.kernel.org/stable/c/3da0272a4c7d0d37b47b28e87014f421296fc2be •
CVSS: 7.1EPSS: 0%CPEs: 5EXPL: 0CVE-2025-21814 – ptp: Ensure info->enable callback is always set
https://notcve.org/view.php?id=CVE-2025-21814
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: ptp: Ensure info->enable callback is always set The ioctl and sysfs handlers unconditionally call the ->enable callback. Not all drivers implement that callback, leading to NULL dereferences. Example of affected drivers: ptp_s390.c, ptp_vclock.c and ptp_mock.c. Instead use a dummy callback if no better was specified by the driver. In the Linux kernel, the following vulnerability has been resolved: ptp: Ensure info->enable callback is always... • https://git.kernel.org/stable/c/d94ba80ebbea17f036cecb104398fbcd788aa742 •
CVSS: 7.8EPSS: 0%CPEs: 11EXPL: 0CVE-2025-21812 – ax25: rcu protect dev->ax25_ptr
https://notcve.org/view.php?id=CVE-2025-21812
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: ax25: rcu protect dev->ax25_ptr syzbot found a lockdep issue [1]. We should remove ax25 RTNL dependency in ax25_setsockopt() This should also fix a variety of possible UAF in ax25. [1] WARNING: possible circular locking dependency detected 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0 Not tainted ------------------------------------------------------ syz.5.1818/12806 is trying to acquire lock: ffffffff8fcb3988 (rtnl_mutex){+.+.}-{4:4}, at: ax... • https://git.kernel.org/stable/c/c433570458e49bccea5c551df628d058b3526289 • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0CVE-2025-21811 – nilfs2: protect access to buffers with no active references
https://notcve.org/view.php?id=CVE-2025-21811
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: nilfs2: protect access to buffers with no active references nilfs_lookup_dirty_data_buffers(), which iterates through the buffers attached to dirty data folios/pages, accesses the attached buffers without locking the folios/pages. For data cache, nilfs_clear_folio_dirty() may be called asynchronously when the file system degenerates to read only, so nilfs_lookup_dirty_data_buffers() still has the potential to cause use after free issues whe... • https://git.kernel.org/stable/c/8c26c4e2694a163d525976e804d81cd955bbb40c • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0CVE-2025-21810 – driver core: class: Fix wild pointer dereferences in API class_dev_iter_next()
https://notcve.org/view.php?id=CVE-2025-21810
27 Feb 2025 — In the Linux kernel, the following vulnerability has been resolved: driver core: class: Fix wild pointer dereferences in API class_dev_iter_next() There are a potential wild pointer dereferences issue regarding APIs class_dev_iter_(init|next|exit)(), as explained by below typical usage: // All members of @iter are wild pointers. struct class_dev_iter iter; // class_dev_iter_init(@iter, @class, ...) checks parameter @class for // potential class_to_subsys() error, and it returns void type and does // not ini... • https://git.kernel.org/stable/c/7b884b7f24b42fa25e92ed724ad82f137610afaf •