Уязвимость функции ext4_valid_block_bitmap ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость функции ext4_iget ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость файла drivers/usb/misc/yurex.c ядра операционной системы Linux, позволяющая нарушителю вызвать сбой в работе ядра операционной системы или повысить привилегии

Уязвимость функции ext4_ext_remove_space() ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код

Уязвимость функции ext4_ext_drop_refs() ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код

Уязвимость в файле transaction.c ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании или повысить свои привилегии

Уязвимость функции jbd2_journal_dirty_metadata() ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость функции cpia2_remap_buffer ядра операционной системы Linux, позволяющая нарушителю получить доступ на чтение и запись на физических страницах ядра и повысить свои привилегии

Уязвимость функции uvesafb_setcmap function (drivers/video/fbdev/uvesafb.c) ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании или повысить свои привилегии

A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.

A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.

Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in in fs/jbd2/transaction.c code, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image.

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.

The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.

The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.

An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.

An issue was discovered in yurex_read in drivers/usb/misc/yurex.c in the Linux kernel before 4.17.7. Local attackers could use user access read/writes with incorrect bounds checking in the yurex USB driver to crash the kernel or potentially escalate privileges.

In the Linux Kernel before version 4.16.11, 4.14.43, 4.9.102, and 4.4.133, multiple race condition errors when handling probe, disconnect, and rebind operations can be exploited to trigger a use-after-free condition or a NULL pointer dereference by sending multiple USB over IP packets.

In the function sbusfb_ioctl_helper() in drivers/video/fbdev/sbuslib.c in the Linux kernel through 4.15, an integer signedness error allows arbitrary information leakage for the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands.

The Linux kernel through 5.3.13 has a start_offset+size Integer Overflow in cpia2_remap_buffer in drivers/media/usb/cpia2/cpia2_core.c because cpia2 has its own mmap implementation. This allows local users (with /dev/video0 access) to obtain read and write permissions on kernel physical pages, which can possibly result in a privilege escalation.