CVE-2021-46936 – net: fix use-after-free in tw_timer_handler
https://notcve.org/view.php?id=CVE-2021-46936
27 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: net: fix use-after-free in tw_timer_handler A real world panic issue was found as follow in Linux 5.4. BUG: unable to handle page fault for address: ffffde49a863de28 PGD 7e6fe62067 P4D 7e6fe62067 PUD 7e6fe63067 PMD f51e064067 PTE 0 RIP: 0010:tw_timer_handler+0x20/0x40 Call Trace:
CVE-2021-46932 – Input: appletouch - initialize work before device registration
https://notcve.org/view.php?id=CVE-2021-46932
27 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: Input: appletouch - initialize work before device registration Syzbot has reported warning in __flush_work(). This warning is caused by work->func == NULL, which means missing work initialization. This may happen, since input_dev->close() calls cancel_work_sync(&dev->work), but dev->work initalization happens _after_ input_register_device() call. So this patch moves dev->work initialization before registering input device En el kernel de Li... • https://git.kernel.org/stable/c/5a6eb676d3bc4d7a6feab200a92437b62ad298da • CWE-665: Improper Initialization •
CVE-2021-46928 – parisc: Clear stale IIR value on instruction access rights trap
https://notcve.org/view.php?id=CVE-2021-46928
27 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: parisc: Clear stale IIR value on instruction access rights trap When a trap 7 (Instruction access rights) occurs, this means the CPU couldn't execute an instruction due to missing execute permissions on the memory region. In this case it seems the CPU didn't even fetched the instruction from memory and thus did not store it in the cr19 (IIR) register before calling the trap handler. So, the trap handler will find some random old stale value... • https://git.kernel.org/stable/c/d01e9ce1af6116f812491d3d3873d204f10ae0b8 • CWE-755: Improper Handling of Exceptional Conditions •
CVE-2021-46926 – ALSA: hda: intel-sdw-acpi: harden detection of controller
https://notcve.org/view.php?id=CVE-2021-46926
27 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: intel-sdw-acpi: harden detection of controller The existing code currently sets a pointer to an ACPI handle before checking that it's actually a SoundWire controller. This can lead to issues where the graph walk continues and eventually fails, but the pointer was set already. This patch changes the logic so that the information provided to the caller is set when a controller is found. En el kernel de Linux, se ha resuelto la sigu... • https://git.kernel.org/stable/c/cce476954401e3421afafb25bbaa926050688b1d •
CVE-2021-46906 – HID: usbhid: fix info leak in hid_submit_ctrl
https://notcve.org/view.php?id=CVE-2021-46906
26 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: HID: usbhid: fix info leak in hid_submit_ctrl In hid_submit_ctrl(), the way of calculating the report length doesn't take into account that report->size can be zero. When running the syzkaller reproducer, a report of size 0 causes hid_submit_ctrl) to calculate transfer_buffer_length as 16384. When this urb is passed to the usb core layer, KMSAN reports an info leak of 16384 bytes. To fix this, first modify hid_report_len() to account for th... • https://git.kernel.org/stable/c/c5d3c142f2d57d40c55e65d5622d319125a45366 • CWE-668: Exposure of Resource to Wrong Sphere •
CVE-2020-36775 – f2fs: fix to avoid potential deadlock
https://notcve.org/view.php?id=CVE-2020-36775
26 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock Using f2fs_trylock_op() in f2fs_write_compressed_pages() to avoid potential deadlock like we did in f2fs_write_single_data_page(). En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: corrección para evitar un posible interbloqueo Usando f2fs_trylock_op() en f2fs_write_compressed_pages() para evitar un posible interbloqueo como lo hicimos en f2fs_write_single_data_page(). In the Linu... • https://git.kernel.org/stable/c/0478ccdc8ea016de1ebaf6fe6da0275c2b258c5b • CWE-667: Improper Locking •
CVE-2019-25160 – netlabel: fix out-of-bounds memory accesses
https://notcve.org/view.php?id=CVE-2019-25160
26 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: netlabel: fix out-of-bounds memory accesses There are two array out-of-bounds memory accesses, one in cipso_v4_map_lvl_valid(), the other in netlbl_bitmap_walk(). Both errors are embarassingly simple, and the fixes are straightforward. As a FYI for anyone backporting this patch to kernels prior to v4.8, you'll want to apply the netlbl_bitmap_walk() patch to cipso_v4_bitmap_walk() as netlbl_bitmap_walk() doesn't exist before Linux v4.8. En e... • https://git.kernel.org/stable/c/446fda4f26822b2d42ab3396aafcedf38a9ff2b6 • CWE-125: Out-of-bounds Read •
CVE-2024-26606 – binder: signal epoll threads of self-work
https://notcve.org/view.php?id=CVE-2024-26606
26 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: binder: signal epoll threads of self-work In (e)poll mode, threads often depend on I/O events to determine when data is ready for consumption. Within binder, a thread may initiate a command via BINDER_WRITE_READ without a read buffer and then make use of epoll_wait() or similar to consume any responses afterwards. It is then crucial that epoll threads are signaled via wakeup when they queue their own work. Otherwise, they risk waiting indef... • https://git.kernel.org/stable/c/457b9a6f09f011ebcb9b52cc203a6331a6fc2de7 •
CVE-2022-48626 – moxart: fix potential use-after-free on remove path
https://notcve.org/view.php?id=CVE-2022-48626
25 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: moxart: fix potential use-after-free on remove path It was reported that the mmc host structure could be accessed after it was freed in moxart_remove(), so fix this by saving the base register of the device and using it instead of the pointer dereference. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: moxart: corrige el posible use-after-free en la ruta de eliminación. Se informó que se podía acceder a la estructura del hos... • https://git.kernel.org/stable/c/f5dc193167591e88797262ec78515a0cbe79ff5f • CWE-416: Use After Free •
CVE-2021-46904 – net: hso: fix null-ptr-deref during tty device unregistration
https://notcve.org/view.php?id=CVE-2021-46904
25 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: net: hso: fix null-ptr-deref during tty device unregistration Multiple ttys try to claim the same the minor number causing a double unregistration of the same device. The first unregistration succeeds but the next one results in a null-ptr-deref. The get_free_serial_index() function returns an available minor number but doesn't assign it immediately. The assignment is done by the caller later. But before this assignment, calls to get_free_s... • https://git.kernel.org/stable/c/72dc1c096c7051a48ab1dbb12f71976656b55eb5 • CWE-476: NULL Pointer Dereference •