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CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 0

A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service. Se ha detectado un problema de desreferencia de puntero null en el archivo fs/io_uring.c en el kernel de Linux versiones anteriores a 5.15.62. Un usuario local podría usar este fallo para bloquear el sistema o causar potencialmente una denegación de servicio • https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62 • CWE-476: NULL Pointer Dereference •

CVSS: 7.8EPSS: 0%CPEs: 7EXPL: 0

A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system. Se ha encontrado un fallo en la implementación del kernel de Linux de los dispositivos TPM virtualizados proxy. En un sistema donde los dispositivos TPM virtualizados están configurados (esto no es lo predeterminado) un atacante local puede crear un uso de memoria previamente liberada y crear una situación donde puede ser posible escalar privilegios en el sistema • https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d8e7007dc7c4d7c8366739bbcd3f5e51dcd470f https://security.netapp.com/advisory/ntap-20230214-0006 • CWE-416: Use After Free •

CVSS: 7.1EPSS: 0%CPEs: 18EXPL: 0

A NULL pointer dereference flaw in diFree in fs/jfs/inode.c in Journaled File System (JFS)in the Linux kernel. This could allow a local attacker to crash the system or leak kernel internal information. Un fallo de desreferencia de puntero NULL en diFree en el archivo fs/jfs/inode.c en Journaled File System (JFS) en el kernel de Linux. Esto podría permitir a un atacante local bloquear el sistema o filtrar información interna del kernel • https://github.com/torvalds/linux/commit/a53046291020ec41e09181396c1e829287b48d47 https://security.netapp.com/advisory/ntap-20221228-0007 • CWE-476: NULL Pointer Dereference •

CVSS: 6.4EPSS: 0%CPEs: 1EXPL: 0

A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. This flaw could allow a local user to crash the system. Se encontró una vulnerabilidad de desbordamiento de búfer en el controlador de host iSMT SMBus del kernel de Linux en la forma en que manejaba el caso I2C_SMBUS_BLOCK_PROC_CALL (por el ioctl I2C_SMBUS) con datos de entrada maliciosos. Este fallo podría permitir a un usuario local bloquear el sistema A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. In particular, the userspace controllable "data->block[0]" variable was not capped to a number between 0-255 and then used as the size of a memcpy, thus possibly writing beyond the end of dma_buffer. • https://github.com/torvalds/linux/commit/690b2549b19563ec5ad53e5c82f6a944d910086e https://access.redhat.com/security/cve/CVE-2022-3077 https://bugzilla.redhat.com/show_bug.cgi?id=2123309 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 6.3EPSS: 0%CPEs: 2EXPL: 0

An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_kms.c in GPU component in the Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS). Se ha encontrado una vulnerabilidad de acceso a memoria fuera de límites (OOB) en el controlador vmwgfx en el archivo drivers/gpu/vmxgfx/vmxgfx_kms.c en el componente GPU en el kernel de Linux con el archivo de dispositivo "/dev/dri/renderD128 (o Dxxx)". Este fallo permite a un atacante local con una cuenta de usuario en el sistema conseguir privilegios, causando una denegación de servicio(DoS) An out-of-bounds memory write vulnerability was found in the Linux kernel's vmwgfx driver in vmw_kms_cursor_snoop due to a missing check of a memcpy length. This flaw allows a local, unprivileged attacker with access to either the /dev/dri/card0 or /dev/dri/rendererD128 and able to issue an ioctl() on the resulting file descriptor, to crash the system, causing a denial of service. • https://bugzilla.openanolis.cn/show_bug.cgi?id=2071 https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html https://www.debian.org/security/2023/dsa-5324 https://access.redhat.com/security/cve/CVE-2022-36280 https://bugzilla.redhat.com/show_bug.cgi?id=2133450 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •