CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 0CVE-2020-10720 – kernel: use-after-free read in napi_gro_frags() in the Linux kernel
https://notcve.org/view.php?id=CVE-2020-10720
A flaw was found in the Linux kernel's implementation of GRO in versions before 5.2. This flaw allows an attacker with local access to crash the system. Se encontró un fallo en la implementación de GRO del kernel de Linux en versiones anteriores a 5.2. Este fallo permite a un atacante con acceso local bloquear el sistema A flaw was found in the Linux kernel’s implementation of GRO. This flaw allows an attacker with local access to crash the system. • https://bugzilla.redhat.com/show_bug.cgi?id=1781204 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4270d6795b0580287453ea55974d948393e66ef https://access.redhat.com/security/cve/CVE-2020-10720 • CWE-416: Use After Free •
CVSS: 4.7EPSS: 0%CPEs: 3EXPL: 0CVE-2020-14416
https://notcve.org/view.php?id=CVE-2020-14416
In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c. En el kernel de Linux versiones anteriores a 5.4.16, una condición de carrera en el manejo de tty-)disc_data en la disciplina de línea slip y slcan podría conllevar a un uso de la memoria previamente liberada, también se conoce como CID-0ace17d56824. Esto afecta a los archivos drivers/net/slip/slip.c y drivers/net/can/slcan.c • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html https://bugzilla.suse.com/show_bug.cgi?id=1162002 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954dd • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •
CVSS: 4.4EPSS: 0%CPEs: 41EXPL: 0CVE-2020-10732 – kernel: uninitialized kernel data leak in userspace coredumps
https://notcve.org/view.php?id=CVE-2020-10732
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 an attacker with a local account to crash a trivial program and exfiltrate private kernel data. • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10732 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=aca969cacf07f41070d788ce2b8ca71f09d5207d https://github.com/google/kmsan/issues/76 https://github.com/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0a https://lore.kernel.org/lkml/CAG_fn=VZZ7yUxtOGzuTLkr7wmfXWtKK9BHHYawj • CWE-908: Use of Uninitialized Resource •
CVSS: 7.8EPSS: 0%CPEs: 12EXPL: 1CVE-2020-13974 – kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c
https://notcve.org/view.php?id=CVE-2020-13974
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, también se conoce como CID-b86dab054059. NOTA: Los miembros de la comunidad argumentan que el desbordamiento de números enteros no conduce a un problema de seguridad en este caso A flaw integer overflow in the Linux kernel's virtual terminal keyboard driver was found in the way the user sends some specific keyboard code multiple times. • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=dad0bf9ce93fa40b667eccd3306783f4db4b932b https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b86dab054059b970111b5516ae548efaae5b3aae https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html https://lkml.org/lkml/2020/3/22/482 https://usn.u • CWE-190: Integer Overflow or Wraparound •
CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0CVE-2019-20811 – kernel: net-sysfs: *_queue_add_kobject refcount issue
https://notcve.org/view.php?id=CVE-2019-20811
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_add_kobject and netdev_queue_add_kobject functions in the Linux kernel handled refcounting of certain objects. • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a3e23f719f5c4a38ffb3d30c8d7632a4ed8ccd9e https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html https://usn.ubuntu.com/4527-1 https://www.debian.org/security/2020/dsa-4698 https://access.redhat.com/security/cve/CVE-2019-20811 https://bugzilla.redhat.com/show_bug.cgi?id=1846439 • CWE-460: Improper Cleanup on Thrown Exception •