UBUNTU-CVE-2022-49522

In the Linux kernel, the following vulnerability has been resolved: mmc: jz4740: Apply DMA engine limits to maximum segment size Do what is done in other DMA-enabled MMC host drivers cf. host/mmci.c and limit the maximum segment size based on the DMA engine's capabilities. This is needed to avoid...

UBUNTU-CVE-2022-49680

In the Linux kernel, the following vulnerability has been resolved: ARM: exynos: Fix refcount leak in exynosmappmu offindmatchingnode returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak. ofnodeput chec...

UBUNTU-CVE-2022-49491

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop: fix possible null-ptr-deref in vopbind It will cause null-ptr-deref in resourcesize, if platformgetresource returns NULL, move calling resourcesize after devmioremapresource that will check 'res' to avoid...

DEBIAN-CVE-2022-49052

In the Linux kernel, the following vulnerability has been resolved: mm: fix unexpected zeroed page mapping with zram swap Two processes under CLONEVM cloning, user process can be corrupted by seeing zeroed page unexpectedly. CPU A CPU B doswappage doswappage SWPSYNCHRONOUSIO path SWPSYNCHRONOUSIO...

CVE-2022-49660

Concrete details found: CVE-2022-49660 is tied to a race condition in the Linux kernel’s xen/arm RB-tree based P2M accounting. The vulnerability arises from concurrent calls to set_foreign_p2m_mapping() and clear_foreign_p2m_mapping() updating the RB-tree (set_phys_to_machine_multi), potentially ...

CVE-2022-49522

In the Linux kernel, the following vulnerability has been resolved: mmc: jz4740: Apply DMA engine limits to maximum segment size Do what is done in other DMA-enabled MMC host drivers cf. host/mmci.c and limit the maximum segment size based on the DMA engine's capabilities. This is needed to avoid...

CVE-2022-49487 mtd: rawnand: intel: fix possible null-ptr-deref in ebu_nand_probe()

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: intel: fix possible null-ptr-deref in ebunandprobe It will cause null-ptr-deref when using 'res', if platformgetresource returns NULL, so move using 'res' after devmioremapresource that will check it to avoid...

CVE-2022-49449 pinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()

In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: rzn1: Fix possible null-ptr-deref in shpfcmapresources It will cause null-ptr-deref when using 'res', if platformgetresource returns NULL, so move using 'res' after devmioremapresource that will check it to avoi...

CVE-2022-49445 pinctrl: renesas: core: Fix possible null-ptr-deref in sh_pfc_map_resources()

In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: core: Fix possible null-ptr-deref in shpfcmapresources It will cause null-ptr-deref when using 'res', if platformgetresource returns NULL, so move using 'res' after devmioremapresource that will check it to avoi...

CVE-2022-49445

In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: core: Fix possible null-ptr-deref in shpfcmapresources It will cause null-ptr-deref when using 'res', if platformgetresource returns NULL, so move using 'res' after devmioremapresource that will check it to avoi...

CVE-2022-49363 f2fs: fix to do sanity check on block address in f2fs_do_zero_range()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on block address in f2fsdozerorange As Yanming reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215894 I have encountered a bug in F2FS file system in kernel v5.17. I have uploaded the...

CVE-2022-49336 drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem

In the Linux kernel, the following vulnerability has been resolved: drm/etnaviv: check for reaped mapping in etnaviviommuunmapgem When the mapping is already reaped the unmap must be a no-op, as we would otherwise try to remove the mapping twice, corrupting the involved data structures...

CVE-2022-49336

In the Linux kernel, the following vulnerability has been resolved: drm/etnaviv: check for reaped mapping in etnaviviommuunmapgem When the mapping is already reaped the unmap must be a no-op, as we would otherwise try to remove the mapping twice, corrupting the involved data structures...

CVE-2022-49207 bpf, sockmap: Fix memleak in sk_psock_queue_msg

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in skpsockqueuemsg If tcpbpfsendmsg is running during a tear down operation we may enqueue data on the ingress msg queue while tear down is trying to free it. sk1 redirect sk2 sk2 -------------------...

CVE-2022-49133

The CVE-2022-49133 issue affects the Linux kernel DRM/AMDKFD component where svm range restore work deadlocks during process exit. The fix moves flush of svm_range_restore_work to kfd_process_wq_release and makes svm_range_restore_work take a task mm reference to prevent deadlock when the last us...

CVE-2022-49081 highmem: fix checks in __kmap_local_sched_{in,out}

In the Linux kernel, the following vulnerability has been resolved: highmem: fix checks in kmaplocalschedin,out When CONFIGDEBUGKMAPLOCAL is enabled kmaplocalschedin,out check that even slots in the tsk-kmapctrl.pteval are unmapped. The slots are initialized with 0 value, but the check is done wi...

CVE-2022-49063

In the Linux kernel, the following vulnerability has been resolved: ice: arfs: fix use-after-free when freeing @rxcpurmap The CI testing bots triggered the following splat: 718.203054 BUG: KASAN: use-after-free in freeirqcpurmap+0x53/0x80 718.206349 Read of size 4 at addr ffff8881bd127e00 by task...

CVE-2022-49052 mm: fix unexpected zeroed page mapping with zram swap

In the Linux kernel, the following vulnerability has been resolved: mm: fix unexpected zeroed page mapping with zram swap Two processes under CLONEVM cloning, user process can be corrupted by seeing zeroed page unexpectedly. CPU A CPU B doswappage doswappage SWPSYNCHRONOUSIO path SWPSYNCHRONOUSIO...

CVE-2022-49052

In the Linux kernel, the following vulnerability has been resolved: mm: fix unexpected zeroed page mapping with zram swap Two processes under CLONEVM cloning, user process can be corrupted by seeing zeroed page unexpectedly. CPU A CPU B doswappage doswappage SWPSYNCHRONOUSIO path SWPSYNCHRONOUSIO...

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 realtek-rtl not properly handling node reference counting when mapping interrupts, which could lead to a...