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-2022-50129

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...

CVE-2022-50128

The PT-2025-26054 entry details a Linux kernel vulnerability in the android binder component: saving a pointer to a VMA outside the mmap lock can lead to stale pointers after VMA teardown. Affected software is the Linux kernel (binder component). The root cause is unsafe VMA pointer handling in t...

CVE-2022-50087 firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails

In the Linux kernel, the following vulnerability has been resolved: firmware: armscpi: Ensure scpiinfo is not assigned if the probe fails When scpi probe fails, at any point, we need to ensure that the scpiinfo is not set and will remain NULL until the probe succeeds. If it is not taken care, the...

CVE-2022-50087 firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails

In the Linux kernel, the following vulnerability has been resolved: firmware: armscpi: Ensure scpiinfo is not assigned if the probe fails When scpi probe fails, at any point, we need to ensure that the scpiinfo is not set and will remain NULL until the probe succeeds. If it is not taken care, the...

CVE-2022-50055

The CVE-2022-50055 entry pertains to the Linux kernel vulnerability in the iavf driver: Fix adminq error handling. The issue arises in iavf_alloc_asq_bufs/iavf_alloc_arq_bufs where DMA-coherent memory is allocated for the VF mailbox, and DMA regions for ASQ/ARQ were not freed if configuration err...

CVE-2022-50055 iavf: Fix adminq error handling

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavfallocasqbufs/iavfallocarqbufs allocates with dmaalloccoherent memory for VF mailbox. Free DMA regions for both ASQ and ARQ in case error happens during configuration of ASQ/ARQ registers. Witho...

CVE-2022-50025 cxl: Fix a memory leak in an error handling path

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...

CVE-2022-49997

The CVE-2022-49997 issue affects the Linux kernel, specifically the net: lantiq_xrx200 driver. Root cause: when memory allocation fails, an invalid buffer address can be stored; using the descriptor again may cause a panic in build_skb(), resulting in an availability impact. Supported documents i...