CVE-2021-46938

In the Linux kernel, the following vulnerability has been resolved: dm rq: fix double free of blkmqtagset in dev remove after table load fails When loading a device-mapper table for a request-based mapped device, and the allocation/initialization of the blkmqtagset for the device fails, a followi...

CVE-2021-46961

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Do not enable irqs when handling spurious interrups We triggered the following error while running our 4.19 kernel with the pseudo-NMI patches backported to it: 14.816231 ------------ cut here ------------ 14.8162...

CVE-2021-46945

In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 "ext4: make ext4abort use ext4error", the following series of commands would trigger a panic: 1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sd...

CVE-2021-46967

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix vmflags for virtqueue doorbell mapping The virtqueue doorbell is usually implemented via registeres but we don't provide the necessary vma-flags like VMPFNMAP. This may cause several issues e.g when userspace trie...

UBUNTU-CVE-2021-46945

In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 "ext4: make ext4abort use ext4error", the following series of commands would trigger a panic: 1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sd...

CVE-2021-46967 vhost-vdpa: fix vm_flags for virtqueue doorbell mapping

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix vmflags for virtqueue doorbell mapping The virtqueue doorbell is usually implemented via registeres but we don't provide the necessary vma-flags like VMPFNMAP. This may cause several issues e.g when userspace trie...

CVE-2021-46957 riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: fix kernel panic when invoking sysread traced by kprobe The execution of sysread end up hitting a BUGON in findgetblock after installing kprobe at sysread, the BUG message like the following: 65.708663 ------------...

CVE-2021-46957

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: fix kernel panic when invoking sysread traced by kprobe The execution of sysread end up hitting a BUGON in findgetblock after installing kprobe at sysread, the BUG message like the following: 65.708663 ------------...

CVE-2021-46945 ext4: always panic when errors=panic is specified

In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 "ext4: make ext4abort use ext4error", the following series of commands would trigger a panic: 1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sd...

CVE-2021-46945 ext4: always panic when errors=panic is specified

In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 "ext4: make ext4abort use ext4error", the following series of commands would trigger a panic: 1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sd...

CVE-2021-46945

In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 "ext4: make ext4abort use ext4error", the following series of commands would trigger a panic: 1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sd...

CVE-2021-46938 dm rq: fix double free of blk_mq_tag_set in dev remove after table load fails

In the Linux kernel, the following vulnerability has been resolved: dm rq: fix double free of blkmqtagset in dev remove after table load fails When loading a device-mapper table for a request-based mapped device, and the allocation/initialization of the blkmqtagset for the device fails, a followi...

CVE-2021-46938

In the Linux kernel, the following vulnerability has been resolved: dm rq: fix double free of blkmqtagset in dev remove after table load fails When loading a device-mapper table for a request-based mapped device, and the allocation/initialization of the blkmqtagset for the device fails, a followi...

CVE-2021-46925

A flaw was found in the Linux kernel affecting the net/smc Synchronous Message Channel subsystem. This vulnerability is caused by a race condition between the smccdctxhandler and smcrelease functions and can cause kernel panics. Mitigation There are no known mitigations to the problem and Red Hat...

CVE-2021-46925

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix kernel panic caused by race of smcsock A crash occurs when smccdctxhandler tries to access smcsock but smcrelease has already freed it. 4570.695099 BUG: unable to handle page fault for address: 000000002eae9e88...

CVE-2021-46931

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Wrap the tx reporter dump callback to extract the sq Function mlx5etxreporterdumpsq casts its void argument to struct mlx5etxqsq , but in TX-timeout-recovery flow the argument is actually of type struct mlx5etxtimeoutc...

DEBIAN-CVE-2021-46925

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix kernel panic caused by race of smcsock A crash occurs when smccdctxhandler tries to access smcsock but smcrelease has already freed it. 4570.695099 BUG: unable to handle page fault for address: 000000002eae9e88...

CVE-2021-46925

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix kernel panic caused by race of smcsock A crash occurs when smccdctxhandler tries to access smcsock but smcrelease has already freed it. 4570.695099 BUG: unable to handle page fault for address: 000000002eae9e88...

CVE-2021-46925

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix kernel panic caused by race of smcsock A crash occurs when smccdctxhandler tries to access smcsock but smcrelease has already freed it. 4570.695099 BUG: unable to handle page fault for address: 000000002eae9e88...

CVE-2021-46931

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Wrap the tx reporter dump callback to extract the sq Function mlx5etxreporterdumpsq casts its void argument to struct mlx5etxqsq , but in TX-timeout-recovery flow the argument is actually of type struct mlx5etxtimeoutc...