CVE-2022-49721

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handle PLTs. Sometimes it is necessary to use a PLT entry to call an ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, with each having almost identical logic, but this is not...

CVE-2022-49719 irqchip/gic/realview: Fix refcount leak in realview_gic_of_init

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic/realview: Fix refcount leak in realviewgicofinit offindmatchingnodeandmatch returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcoun...

CVE-2022-49718

In the Linux kernel, the following vulnerability has been resolved: irqchip/apple-aic: Fix refcount leak in aicoficinit ofgetchildbyname returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49717

In the Linux kernel, the following vulnerability has been resolved: irqchip/apple-aic: Fix refcount leak in buildfiqaffinity offindnodebyphandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49716

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix error handling in gicpopulateppipartitions ofgetchildbyname returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. When kcalloc fails, it missing ofnodeput and...

CVE-2022-49716 irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix error handling in gicpopulateppipartitions ofgetchildbyname returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. When kcalloc fails, it missing ofnodeput and...

CVE-2022-49715 irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix refcount leak in gicpopulateppipartitions offindnodebyphandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49714

In the Linux kernel, the following vulnerability has been resolved: irqchip/realtek-rtl: Fix refcount leak in mapinterrupts offindnodebyphandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. This function doesn't call ofnodeput in error path...

CVE-2022-49715

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix refcount leak in gicpopulateppipartitions offindnodebyphandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49710 dm mirror log: round up region bitmap size to BITS_PER_LONG

In the Linux kernel, the following vulnerability has been resolved: dm mirror log: round up region bitmap size to BITSPERLONG The code in dm-log rounds up bitsetsize to 32 bits. It then uses findnextzerobitle on the allocated region. findnextzerobitle accesses the bitmap using unsigned long...

CVE-2022-49708 ext4: fix bug_on ext4_mb_use_inode_pa

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Cal...

CVE-2022-49708

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Cal...

CVE-2022-49708 ext4: fix bug_on ext4_mb_use_inode_pa

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Cal...

CVE-2022-49707

In the Linux kernel, the following vulnerability has been resolved: ext4: add reserved GDT blocks check We capture a NULL pointer issue when resizing a corrupt ext4 image which is freshly clear resizeinode feature not run e2fsck. It could be simply reproduced by following steps. The problem is...

CVE-2022-49705 9p: fix fid refcount leak in v9fs_vfs_atomic_open_dotl

In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fsvfsatomicopendotl We need to release directory fid if we fail halfway through open This fixes fid leaking with xfstests generic 531...

CVE-2022-49705 9p: fix fid refcount leak in v9fs_vfs_atomic_open_dotl

In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fsvfsatomicopendotl We need to release directory fid if we fail halfway through open This fixes fid leaking with xfstests generic 531...

CVE-2022-49703 scsi: ibmvfc: Store vhost pointer during subcrq allocation

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store vhost pointer during subcrq allocation Currently the back pointer from a queue to the vhost adapter isn't set until after subcrq interrupt registration. The value is available when a queue is first allocated a...

CVE-2022-49702

Summary: CVE-2022-49702 concerns a deadlock in Linux kernel when unmounting a filesystem with an async block group reclaim task relocating data. Multiple reclaim tasks (block-group, metadata/data) can interact with a parked cleaner thread, leading to a hang during close_ctree()/unmount due to del...

CVE-2022-49700

CVE-2022-49700 is a Linux kernel SLUB allocator bug: the fastpath in slab_alloc_node() can race with slab deactivation, allowing a mismatch where c->slab/c->freelist become inconsistent and can lead to a use-after-free or a page freeing while it still contains slab objects. The issue is tie...

CVE-2022-49700 mm/slub: add missing TID updates on slab deactivation

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add missing TID updates on slab deactivation The fastpath in slaballocnode assumes that c-slab is stable as long as the TID stays the same. However, two places in slaballoc currently don't update the TID when deactivatin...