DEBIAN-CVE-2021-47339

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: explicitly clear ioctl input data As seen from a recent syzbot bug report, mistakes in the compat ioctl implementation can lead to uninitialized kernel stack data getting used as input for driver ioctl handlers...

CVE-2021-47375

In the Linux kernel, the following vulnerability has been resolved: blktrace: Fix uaf in blktrace access after removing by sysfs There is an use-after-free problem triggered by following process: P1sda P2sdb echo 0 /sys/block/sdb/trace/enable blktraceremovequeue synchronizercu blktracefree...

UBUNTU-CVE-2021-47364

In the Linux kernel, the following vulnerability has been resolved: comedi: Fix memory leak in compatinsnlist compatinsnlist handles the 32-bit version of the COMEDIINSNLIST ioctl whenwhen CONFIGCOMPAT is enabled. It allocates memory to temporarily hold an array of struct comediinsn converted fro...

UBUNTU-CVE-2021-47265

In the Linux kernel, the following vulnerability has been resolved: RDMA: Verify port when creating flow rule Validate port value provided by the user and with that remove no longer needed validation by the driver. The missing check in the mlx5ib driver could cause to the below oops. Call trace:...

UBUNTU-CVE-2021-47339

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: explicitly clear ioctl input data As seen from a recent syzbot bug report, mistakes in the compat ioctl implementation can lead to uninitialized kernel stack data getting used as input for driver ioctl handlers...

CVE-2021-47383

In the Linux kernel, the following vulnerability has been resolved: tty: Fix out-of-bound vmalloc access in imageblit This issue happens when a userspace program does an ioctl FBIOPUTVSCREENINFO passing the fbvarscreeninfo struct containing only the fields xres, yres, and bitsperpixel with values...

CVE-2021-47339

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: explicitly clear ioctl input data As seen from a recent syzbot bug report, mistakes in the compat ioctl implementation can lead to uninitialized kernel stack data getting used as input for driver ioctl handlers...

CVE-2021-47383 tty: Fix out-of-bound vmalloc access in imageblit

In the Linux kernel, the following vulnerability has been resolved: tty: Fix out-of-bound vmalloc access in imageblit This issue happens when a userspace program does an ioctl FBIOPUTVSCREENINFO passing the fbvarscreeninfo struct containing only the fields xres, yres, and bitsperpixel with values...

CVE-2021-47383

In the Linux kernel, the following vulnerability has been resolved: tty: Fix out-of-bound vmalloc access in imageblit This issue happens when a userspace program does an ioctl FBIOPUTVSCREENINFO passing the fbvarscreeninfo struct containing only the fields xres, yres, and bitsperpixel with values...

CVE-2021-47383 tty: Fix out-of-bound vmalloc access in imageblit

In the Linux kernel, the following vulnerability has been resolved: tty: Fix out-of-bound vmalloc access in imageblit This issue happens when a userspace program does an ioctl FBIOPUTVSCREENINFO passing the fbvarscreeninfo struct containing only the fields xres, yres, and bitsperpixel with values...

CVE-2021-47364

Summary (CVE-2021-47364) The Linux kernel vulnerability in the comedi subsystem affects the 32-bit version of the COMEDI_INSNLIST ioctl when CONFIG_COMPAT is enabled. The issue is a memory leak in compat_insnlist(): memory was allocated to hold a converted array of struct comedi_insn and only fre...

CVE-2021-47364 comedi: Fix memory leak in compat_insnlist()

In the Linux kernel, the following vulnerability has been resolved: comedi: Fix memory leak in compatinsnlist compatinsnlist handles the 32-bit version of the COMEDIINSNLIST ioctl whenwhen CONFIGCOMPAT is enabled. It allocates memory to temporarily hold an array of struct comediinsn converted fro...

CVE-2021-47364 comedi: Fix memory leak in compat_insnlist()

In the Linux kernel, the following vulnerability has been resolved: comedi: Fix memory leak in compatinsnlist compatinsnlist handles the 32-bit version of the COMEDIINSNLIST ioctl whenwhen CONFIGCOMPAT is enabled. It allocates memory to temporarily hold an array of struct comediinsn converted fro...

CVE-2021-47364

In the Linux kernel, the following vulnerability has been resolved: comedi: Fix memory leak in compatinsnlist compatinsnlist handles the 32-bit version of the COMEDIINSNLIST ioctl whenwhen CONFIGCOMPAT is enabled. It allocates memory to temporarily hold an array of struct comediinsn converted fro...

CVE-2021-47339 media: v4l2-core: explicitly clear ioctl input data

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: explicitly clear ioctl input data As seen from a recent syzbot bug report, mistakes in the compat ioctl implementation can lead to uninitialized kernel stack data getting used as input for driver ioctl handlers...

CVE-2021-47339 media: v4l2-core: explicitly clear ioctl input data

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: explicitly clear ioctl input data As seen from a recent syzbot bug report, mistakes in the compat ioctl implementation can lead to uninitialized kernel stack data getting used as input for driver ioctl handlers...

CVE-2021-47339

In CVE-2021-47339, the Linux kernel fix targets media: v4l2-core, addressing uninitialized kernel stack data that could be used as input for driver ioctl handlers due to mistakes in compat ioctl implementation. The resolution requires explicitly clearing the entire ioctl input buffer before conve...

CVE-2021-47339

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: explicitly clear ioctl input data As seen from a recent syzbot bug report, mistakes in the compat ioctl implementation can lead to uninitialized kernel stack data getting used as input for driver ioctl handlers...

SUSE CVE-2024-35849

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix information leak in btrfsioctllogicaltoino Syzbot reported the following information leak for in btrfsioctllogicaltoino: BUG: KMSAN: kernel-infoleak in instrumentcopytouser include/linux/instrumented.h:114 inline BUG:...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from uninitialized kernel stack data being used as input to the driver ioctl handler...