CVE-2020-10732 – kernel: uninitialized kernel data leak in userspace coredumps
https://notcve.org/view.php?id=CVE-2020-10732
12 Jun 2020 — A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data. Se encontró un fallo en la implementación de los volcados de núcleo del Userspace del kernel de Linux. Este fallo permite a un atacante con una cuenta local bloquear un programa trivial y exfiltrar datos privados del kernel A flaw was found in the Linux kernel’s implementation of Userspace core dumps. This flaw allows ... • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html • CWE-908: Use of Uninitialized Resource •
CVE-2020-10757 – kernel: kernel: DAX hugepages not considered during mremap
https://notcve.org/view.php?id=CVE-2020-10757
09 Jun 2020 — A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system. Se encontró un fallo en el kernel de Linux en las versiones posteriores a 4.5-rc1, en la manera en que mremap manejó DAX Huge Pages. Este fallo permite a un atacante local con acceso a un almacenamiento habilitado para DAX escalar sus privilegios en el sistema A flaw was found in the way mre... • https://github.com/ShaikUsaf/linux-4.19.72_CVE-2020-10757 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') •
CVE-2020-13974 – kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c
https://notcve.org/view.php?id=CVE-2020-13974
09 Jun 2020 — An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case. Se detectó un problema en el kernel de Linux versión 4.4 hasta la versión 5.7.1. En el archivo drivers/tty/vt/keyboard.c presenta un desbordamiento de enteros si se llama a la función k_ascii varias veces seguidas, tambié... • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html • CWE-190: Integer Overflow or Wraparound •
CVE-2019-20811 – kernel: net-sysfs: *_queue_add_kobject refcount issue
https://notcve.org/view.php?id=CVE-2019-20811
03 Jun 2020 — An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c. Se detectó un problema en el kernel de Linux versiones anteriores a 5.0.6. En la funciones rx_queue_add_kobject() y netdev_queue_add_kobject() en el archivo net/core/net-sysfs.c, un reconteo de referencias es manejado inapropiadamente, también se conoce como CID-a3e23f719f5c. A flaw was found in the way the rx_queue... • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6 • CWE-460: Improper Cleanup on Thrown Exception •
CVE-2019-20812 – kernel: af_packet: TPACKET_V3: invalid timer timeout on error
https://notcve.org/view.php?id=CVE-2019-20812
03 Jun 2020 — An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067. Se detectó un problema en el kernel de Linux versiones anteriores a 5.4.7. La función prb_calc_retire_blk_tmo() en el archivo net/packet/af_packet.c puede resultar en una denegación de servicio (consumo de CPU y bloqueo suave) en un caso de fallo que ... • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html • CWE-400: Uncontrolled Resource Consumption •
CVE-2019-20810
https://notcve.org/view.php?id=CVE-2019-20810
02 Jun 2020 — go7007_snd_init in drivers/media/usb/go7007/snd-go7007.c in the Linux kernel before 5.6 does not call snd_card_free for a failure path, which causes a memory leak, aka CID-9453264ef586. La función go7007_snd_init en el archivo driversdrivers/media/usb/go7007/snd-go7007.c en el kernel de Linux versiones anteriores a 5.6, no llama a snd_card_free para una ruta de fallo, lo que causa una pérdida de memoria, también se conoce como CID-9453264ef586. • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html • CWE-401: Missing Release of Memory after Effective Lifetime •
CVE-2019-20806
https://notcve.org/view.php?id=CVE-2019-20806
27 May 2020 — An issue was discovered in the Linux kernel before 5.2. There is a NULL pointer dereference in tw5864_handle_frame() in drivers/media/pci/tw5864/tw5864-video.c, which may cause denial of service, aka CID-2e7682ebfc75. Se descubrió un problema en el kernel de Linux versiones anteriores a la versión 5.2. Tiene una desreferencia del puntero NULL en la función tw5864_handle_frame() en el archivo drivers/media/pci/tw5864/tw5864-video.c, que puede causar una denegación de servicio, también se conoce como CID-2e76... • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html • CWE-476: NULL Pointer Dereference •
CVE-2020-13143
https://notcve.org/view.php?id=CVE-2020-13143
18 May 2020 — gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c in the Linux kernel 3.16 through 5.6.13 relies on kstrdup without considering the possibility of an internal '\0' value, which allows attackers to trigger an out-of-bounds read, aka CID-15753588bcd4. En la función gadget_dev_desc_UDC_store en el archivo drivers/usb/gadget/configfs.c en el kernel de Linux versión 3.16 hasta la versión 5.6.13, se basa en kstrdup sin considerar la posibilidad de un valor "\0" interno, lo que permite a atacantes desenca... • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html • CWE-125: Out-of-bounds Read •
CVE-2020-12888 – Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario
https://notcve.org/view.php?id=CVE-2020-12888
15 May 2020 — The VFIO PCI driver in the Linux kernel through 5.6.13 mishandles attempts to access disabled memory space. El controlador VFIO PCI en el kernel de Linux versiones hasta 5.6.13, maneja inapropiadamente los intentos para acceder al espacio de memoria deshabilitado. A flaw was found in the Linux kernel, where it allows userspace processes, for example, a guest VM, to directly access h/w devices via its VFIO driver modules. The VFIO modules allow users to enable or disable access to the devices' MMIO memory ad... • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html • CWE-248: Uncaught Exception CWE-755: Improper Handling of Exceptional Conditions •
CVE-2020-10711 – Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic
https://notcve.org/view.php?id=CVE-2020-10711
12 May 2020 — A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7. This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol's category bitmap into the SELinux extensible bitmap via the' ebitmap_netlbl_import' routine. While processing the CIPSO restricted bitmap tag in the 'cipso_v4_parsetag_rbm' routine, it sets the security attribute to indicate that the category bitmap is present, even if it has not been allocated. This issue leads to a NU... • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html • CWE-476: NULL Pointer Dereference •