CVE-2021-47007 f2fs: fix panic during f2fs_resize_fs()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix panic during f2fsresizefs f2fsresizefs hangs in below callstack with testcase: - mkfs 16GB image & mount image - dd 8GB fileA - dd 8GB fileB - sync - rm fileA - sync - resize filesystem to 8GB kernel BUG at...

CVE-2021-47007

CVE-2021-47007 affects the Linux kernel’s f2fs resizing path. The issue occurs in f2fs_resize_fs() when resizing a 16GB image to 8GB, where the allocator may run out of space during block migration because the code did not verify there is enough free space to store blocks before resizing. This ca...

CVE-2021-47007 f2fs: fix panic during f2fs_resize_fs()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix panic during f2fsresizefs f2fsresizefs hangs in below callstack with testcase: - mkfs 16GB image & mount image - dd 8GB fileA - dd 8GB fileB - sync - rm fileA - sync - resize filesystem to 8GB kernel BUG at...

CVE-2021-46999 sctp: do asoc update earlier in sctp_sf_do_dupcook_a

In the Linux kernel, the following vulnerability has been resolved: sctp: do asoc update earlier in sctpsfdodupcooka There's a panic that occurs in a few of envs, the call trace is as below: general protection fault, ... 0x29acd70f1000a: 0000 1 SMP PTI RIP:...

CVE-2021-46999

In the Linux kernel, the following vulnerability has been resolved: sctp: do asoc update earlier in sctpsfdodupcooka There's a panic that occurs in a few of envs, the call trace is as below: general protection fault, ... 0x29acd70f1000a: 0000 1 SMP PTI RIP:...

CVE-2021-46999

CVE-2021-46999 affects the Linux kernel SCTP implementation and is caused by a transport use-after-free when processing a duplicate COOKIE-ECHO in sctp_sf_do_dupcook_a. The issue can lead to a panic (general protection fault) due to old asoc state being used to send COOKIE-ACK/SHUTDOWN chunks aft...

CVE-2021-46986

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Free gadget structure only after freeing endpoints As part of commit e81a7018d93a "usb: dwc3: allocate gadget structure dynamically" the dwc3gadgetrelease was added which will free the dwc-gadget structure upon...

CVE-2021-46986 usb: dwc3: gadget: Free gadget structure only after freeing endpoints

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Free gadget structure only after freeing endpoints As part of commit e81a7018d93a "usb: dwc3: allocate gadget structure dynamically" the dwc3gadgetrelease was added which will free the dwc-gadget structure upon...

CVE-2021-46986 usb: dwc3: gadget: Free gadget structure only after freeing endpoints

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Free gadget structure only after freeing endpoints As part of commit e81a7018d93a "usb: dwc3: allocate gadget structure dynamically" the dwc3gadgetrelease was added which will free the dwc-gadget structure upon...

CVE-2021-46983

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: Fix NULL deref when SEND is completed with error When running some traffic and taking down the link on peer, a retry counter exceeded error is received. This leads to nvmetrdmaerrorcomp which tried accessing the...

CVE-2021-46982 f2fs: compress: fix race condition of overwrite vs truncate

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix race condition of overwrite vs truncate posfsstress testcase complains a panic as belew: ------------ cut here ------------ kernel BUG at fs/f2fs/compress.c:1082! invalid opcode: 0000 1 SMP PTI CPU: 4 PID:...

CVE-2021-46979 iio: core: fix ioctl handlers removal

In the Linux kernel, the following vulnerability has been resolved: iio: core: fix ioctl handlers removal Currently ioctl handlers are removed twice. For the first time during iiodeviceunregister then later on inside iiodeviceunregistereventset and iiobuffersfreesysfsandmask. Double free leads to...

CVE-2020-36787 media: aspeed: fix clock handling logic

In the Linux kernel, the following vulnerability has been resolved: media: aspeed: fix clock handling logic Video engine uses eclk and vclk for its clock sources and its reset control is coupled with eclk so the current clock enabling sequence works like below. Enable eclk De-assert Video Engine...

CVE-2020-36787 media: aspeed: fix clock handling logic

In the Linux kernel, the following vulnerability has been resolved: media: aspeed: fix clock handling logic Video engine uses eclk and vclk for its clock sources and its reset control is coupled with eclk so the current clock enabling sequence works like below. Enable eclk De-assert Video Engine...

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...

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...

SUSE CVE-2021-46911

In the Linux kernel, the following vulnerability has been resolved: chktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take txctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle...

SUSE CVE-2021-46936

In the Linux kernel, the following vulnerability has been resolved: net: fix use-after-free in twtimerhandler A real world panic issue was found as follow in Linux 5.4. BUG: unable to handle page fault for address: ffffde49a863de28 PGD 7e6fe62067 P4D 7e6fe62067 PUD 7e6fe63067 PMD f51e064067 PTE 0...

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-2021-46936

In the Linux kernel, the following vulnerability has been resolved: net: fix use-after-free in twtimerhandler A real world panic issue was found as follow in Linux 5.4. BUG: unable to handle page fault for address: ffffde49a863de28 PGD 7e6fe62067 P4D 7e6fe62067 PUD 7e6fe63067 PMD f51e064067 PTE 0...