CVE-2022-0850 – kernel: information leak in copy_page_to_iter() in iov_iter.c
https://notcve.org/view.php?id=CVE-2022-0850
29 Aug 2022 — A vulnerability was found in linux kernel, where an information leak occurs via ext4_extent_header to userspace. Se encontró una vulnerabilidad en el kernel de linux, donde es producido un filtrado de información por medio de la función ext4_extent_header al espacio de usuario An information leak flaw was found via ext4_extent_header in fs/ext4/extents.c in the Linux kernel. This flaw could allow a local attacker to cause a denial of service. • https://access.redhat.com/security/cve/CVE-2022-0850 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVE-2022-0480 – kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion
https://notcve.org/view.php?id=CVE-2022-0480
29 Aug 2022 — A flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks. Se ha encontrado un fallo en la función filelock_init en el archivo fs/locks.c del kernel de Linux. Este problema puede conllevar a un agotamiento de la memoria del host debido a que memcg no limita el número de bloqueos de archivos de la Interfaz del Sistema Operativo Portátil (POSIX) • https://access.redhat.com/security/cve/CVE-2022-0480 • CWE-770: Allocation of Resources Without Limits or Throttling •
CVE-2022-2961
https://notcve.org/view.php?id=CVE-2022-2961
29 Aug 2022 — A use-after-free flaw was found in the Linux kernel’s PLP Rose functionality in the way a user triggers a race condition by calling bind while simultaneously triggering the rose_bind() function. This flaw allows a local user to crash or potentially escalate their privileges on the system. Se ha encontrado un fallo de uso de memoria previamente liberada en la funcionalidad PLP Rose del kernel de Linux en la forma en que un usuario desencadena una condición de carrera al llamar a bind mientras es desencadenad... • https://access.redhat.com/security/cve/CVE-2022-2961 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •
CVE-2022-0171
https://notcve.org/view.php?id=CVE-2022-0171
26 Aug 2022 — A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV). Se ha encontrado un fallo en el kernel de Linux. La API existente de KVM SEV presenta una vulnerabilidad que permite que una aplicación a nivel de usuario no root (anfitrión) bloquee el kernel del anfitrión al crear una instancia de VM de inv... • https://access.redhat.com/security/cve/CVE-2022-0171 • CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer CWE-459: Incomplete Cleanup •
CVE-2021-4159
https://notcve.org/view.php?id=CVE-2021-4159
24 Aug 2022 — A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. Se encontró una vulnerabilidad en el verificador EBPF del kernel de Linux cuando son manejadas estructuras de datos internas. Las ubicaciones de memoria interna ... • https://access.redhat.com/security/cve/CVE-2021-4159 • CWE-202: Exposure of Sensitive Information Through Data Queries •
CVE-2021-4204 – kernel: improper input validation may lead to privilege escalation
https://notcve.org/view.php?id=CVE-2021-4204
24 Aug 2022 — An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information. Se ha encontrado un fallo de acceso a memoria fuera de límites (OOB) en el eBPF del kernel de Linux debido a una comprobación de entrada inapropiada. Este fallo permite a un atacante local con un privilegio especial bloquear el sistema o filtrar información interna. • https://github.com/tr3ee/CVE-2021-4204 • CWE-20: Improper Input Validation CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVE-2022-2978
https://notcve.org/view.php?id=CVE-2022-2978
24 Aug 2022 — A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system. Se encontró un fallo de uso de memoria previamente liberada en el sistema de archivos NILFS del kernel de Linux en la forma en que el usuario desencadena la función security_inode_alloc para que falle con la siguiente l... • https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html • CWE-416: Use After Free •
CVE-2021-3736
https://notcve.org/view.php?id=CVE-2021-3736
23 Aug 2022 — A flaw was found in the Linux kernel. A memory leak problem was found in mbochs_ioctl in samples/vfio-mdev/mbochs.c in Virtual Function I/O (VFIO) Mediated devices. This flaw could allow a local attacker to leak internal kernel information. Se ha encontrado un fallo en el kernel de Linux. Se encontró un problema de pérdida de memoria en la función mbochs_ioctl en el archivo samples/vfio-mdev/mbochs.c en dispositivos mediados por Virtual Function I/O (VFIO). • https://access.redhat.com/security/cve/CVE-2021-3736 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-401: Missing Release of Memory after Effective Lifetime •
CVE-2021-3659 – kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c
https://notcve.org/view.php?id=CVE-2021-3659
22 Aug 2022 — A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability. Se ha encontrado un fallo de desreferencia de puntero NULL en el subsistema de red inalámbrica IEEE versión 802.15.4 del kernel de Linux en la forma en que el usuario cierra la conexión LR-WPAN. Este fallo permite a un usuario local... • https://access.redhat.com/security/cve/CVE-2021-3659 • CWE-252: Unchecked Return Value CWE-476: NULL Pointer Dereference •
CVE-2022-2873 – kernel: an out-of-bounds vulnerability in i2c-ismt driver
https://notcve.org/view.php?id=CVE-2022-2873
22 Aug 2022 — An out-of-bounds memory access flaw was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system. Se ha encontrado un fallo de acceso a memoria fuera de límites en el controlador de host iSMT SMBus del kernel de Linux, en la forma en que un usuario desencadena I2C_SMBUS_BLOCK_DATA (con el ioctl I2C_SMBUS) con datos de entrada maliciosos. Este ... • https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html • CWE-131: Incorrect Calculation of Buffer Size •