CVSS: 6.4EPSS: 0%CPEs: 1EXPL: 0CVE-2022-3077 – kernel: i2c: unbounded length leads to buffer overflow in ismt_access()
https://notcve.org/view.php?id=CVE-2022-3077
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: 0CVE-2022-36280 – There is an out-of-bounds write vulnerability in vmwgfx driver
https://notcve.org/view.php?id=CVE-2022-36280
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 •
CVSS: 4.7EPSS: 0%CPEs: 4EXPL: 0CVE-2022-40307
https://notcve.org/view.php?id=CVE-2022-40307
An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free. Se ha detectado un problema en el kernel de Linux versiones hasta 5.19.8. El archivo drivers/firmware/efi/capsule-loader.c presenta una condición de carrera con un uso de memoria previamente liberada resultante • https://github.com/torvalds/linux/commit/9cb636b5f6a8cc6d1b50809ec8f8d33ae0c84c95 https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html https://www.debian.org/security/2022/dsa-5257 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 5.5EPSS: 0%CPEs: 6EXPL: 1CVE-2022-2905
https://notcve.org/view.php?id=CVE-2022-2905
An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data. Se ha encontrado un fallo de lectura de memoria fuera de límites en el subsistema BPF del kernel de Linux en la forma en que un usuario llama a la función bpf_tail_call con una clave mayor que el max_entries del mapa. Este fallo permite a un usuario local conseguir acceso no autorizado a los datos • https://bugzilla.redhat.com/show_bug.cgi?id=2121800 https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html https://lore.kernel.org/bpf/984b37f9fdf7ac36831d2137415a4a915744c1b6.1661462653.git.daniel%40iogearbox.net • CWE-125: Out-of-bounds Read •
CVSS: 6.1EPSS: 0%CPEs: 7EXPL: 0CVE-2022-39842
https://notcve.org/view.php?id=CVE-2022-39842
An issue was discovered in the Linux kernel before 5.19. In pxa3xx_gcu_write in drivers/video/fbdev/pxa3xx-gcu.c, the count parameter has a type conflict of size_t versus int, causing an integer overflow and bypassing the size check. After that, because it is used as the third argument to copy_from_user(), a heap overflow may occur. NOTE: the original discoverer disputes that the overflow can actually happen. Se ha detectado un problema en el kernel de Linux versiones anteriores a 5.19. • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19 https://github.com/torvalds/linux/commit/a09d2d00af53b43c6f11e6ab3cb58443c2cac8a7 https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html https://lore.kernel.org/all/YylaC1wHHyLw22D3%40kadam/T https://www.debian.org/security/2022/dsa-5257 • CWE-190: Integer Overflow or Wraparound •