UBUNTU-CVE-2022-50151

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: fix random warning message when driver load Warning log: 4.141392 Unexpected gfp: 0x4 GFPDMA32. Fixing up to gfp: 0xa20 GFPATOMIC. Fix your code! 4.150340 CPU: 1 PID: 175 Comm: 1-0050 Not tainted...

UBUNTU-CVE-2022-50021

In the Linux kernel, the following vulnerability has been resolved: ext4: block range must be validated before use in ext4mbclearbb Block range to free is validated in ext4freeblocks using ext4inodeblockvalid and then it's passed to ext4mbclearbb. However in some situations on bigalloc file syste...

UBUNTU-CVE-2022-50006

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2 fix problems with nfs42sscopen A destination server while doing a COPY shouldn't accept using the passed in filehandle if its not a regular filehandle. If allocfilepseudo has failed, we need to decrement a reference on th...

UBUNTU-CVE-2022-49961

In the Linux kernel, the following vulnerability has been resolved: bpf: Do markchainprecision for ARGCONSTALLOCSIZEORZERO Precision markers need to be propagated whenever we have an ARGCONST style argument, as the verifier cannot consider imprecise scalars to be equivalent for the purposes of...

UBUNTU-CVE-2022-50025

In the Linux kernel, the following vulnerability has been resolved: cxl: Fix a memory leak in an error handling path A bitmapzalloc must be balanced by a corresponding bitmapfree in the error handling path of afuallocateirqs...

UBUNTU-CVE-2022-50187

In the Linux kernel, the following vulnerability has been resolved: ath11k: fix netdev open race Make sure to allocate resources needed before registering the device. This specifically avoids having a racing open trigger a BUGON in modtimer when ath11kmacopstart is called before the monreaptimer ...

UBUNTU-CVE-2022-50170

In the Linux kernel, the following vulnerability has been resolved: kunit: executor: Fix a memory leak on failure in kunitfiltertests It's possible that memory allocation for 'filtered' will fail, but for the copy of the suite to succeed. In this case, the copy could be leaked. Properly free 'cop...

UBUNTU-CVE-2022-49959

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix memory leak at failed datapath creation ovsdpcmdnew-ovsdpchange-ovsdpsetupcallportids allocates array via kmalloc. If for some reason newvport fails during ovsdpcmdnew dp-upcallportids must be freed. Add missing...

UBUNTU-CVE-2022-50129

In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Fix a use-after-free Change the LIO port members inside struct srptport from regular members into pointers. Allocate the LIO port data structures from inside srptmaketport and free these from inside srptmaketport. Keep...

CVE-2022-50219 bpf: Fix KASAN use-after-free Read in compute_effective_progs

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix KASAN use-after-free Read in computeeffectiveprogs Syzbot found a Use After Free bug in computeeffectiveprogs. The reproducer creates a number of BPF links, and causes a fault injected alloc to fail, while calling...

CVE-2022-50219 bpf: Fix KASAN use-after-free Read in compute_effective_progs

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix KASAN use-after-free Read in computeeffectiveprogs Syzbot found a Use After Free bug in computeeffectiveprogs. The reproducer creates a number of BPF links, and causes a fault injected alloc to fail, while calling...

CVE-2022-50219

In CVE-2022-50219, the issue is in the Linux kernel’s BPF subsystem. Syzbot reported a use-after-free in compute_effective_progs when detaching BPF links, where a freed memory path could be dereferenced by update_effective_progs() leading to a KASAN UAF. The fix removes the pointer from the cgrou...

CVE-2022-50187 ath11k: fix netdev open race

In the Linux kernel, the following vulnerability has been resolved: ath11k: fix netdev open race Make sure to allocate resources needed before registering the device. This specifically avoids having a racing open trigger a BUGON in modtimer when ath11kmacopstart is called before the monreaptimer ...

CVE-2022-50170 kunit: executor: Fix a memory leak on failure in kunit_filter_tests

In the Linux kernel, the following vulnerability has been resolved: kunit: executor: Fix a memory leak on failure in kunitfiltertests It's possible that memory allocation for 'filtered' will fail, but for the copy of the suite to succeed. In this case, the copy could be leaked. Properly free 'cop...

CVE-2022-50170

CVE-2022-50170 concerns a memory-leak in the Linux kernel KunIt testing framework (kunit). Specifically, when allocation for 'filtered' fails during kunit_filter_tests, the copied suite could be leaked. The fix ensures 'copy' is freed in the error path for allocation of 'filtered'. Note that a si...

CVE-2022-50151 usb: cdns3: fix random warning message when driver load

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: fix random warning message when driver load Warning log: 4.141392 Unexpected gfp: 0x4 GFPDMA32. Fixing up to gfp: 0xa20 GFPATOMIC. Fix your code! 4.150340 CPU: 1 PID: 175 Comm: 1-0050 Not tainted...

CVE-2022-50151

CVE-2022-50151 concerns a Linux kernel issue in usb: cdns3 where a kmalloc call uses GFP_DMA32 flags when allocating a page for a DMA pool, triggering a warning like “Unexpected gfp: GFP_DMA32” and a corrective log. The root cause is the mixing of GFP_DMA32 with dma_pool_alloc/dma_alloc_coherent ...

CVE-2022-50140 memstick/ms_block: Fix a memory leak

In the Linux kernel, the following vulnerability has been resolved: memstick/msblock: Fix a memory leak 'erasedblocksbitmap' is never freed. As it is allocated at the same time as 'usedblocksbitmap', it is likely that it should be freed also at the same time. Add the corresponding bitmapfree in...

CVE-2022-50130 staging: fbtft: core: set smem_len before fb_deferred_io_init call

In the Linux kernel, the following vulnerability has been resolved: staging: fbtft: core: set smemlen before fbdeferredioinit call The fbtftframebufferalloc calls fbdeferredioinit before initializing info-fix.smemlen. It is set to zero by the framebufferalloc function. It will trigger a WARNON at...

CVE-2022-50130 staging: fbtft: core: set smem_len before fb_deferred_io_init call

In the Linux kernel, the following vulnerability has been resolved: staging: fbtft: core: set smemlen before fbdeferredioinit call The fbtftframebufferalloc calls fbdeferredioinit before initializing info-fix.smemlen. It is set to zero by the framebufferalloc function. It will trigger a WARNON at...