DEBIAN-CVE-2022-49884

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit'...

CVE-2022-49842

In the Linux kernel, the following vulnerability has been resolved: ASoC: core: Fix use-after-free in sndsocexit KASAN reports a use-after-free: BUG: KASAN: use-after-free in devicedel+0xb5b/0xc60 Read of size 8 at addr ffff888008655050 by task rmmod/387 CPU: 2 PID: 387 Comm: rmmod Hardware name:...

CVE-2022-49827

In the Linux kernel, the following vulnerability has been resolved: drm: Fix potential null-ptr-deref in drmvblankdestroyworker drmvblankinit call drmmaddactionorreset with drmvblankinitrelease as action. If drmmaddaction failed, will directly call drmvblankinitrelease with the vblank whose worke...

CVE-2022-49802

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix null pointer dereference in ftraceaddmod The @ftracemod is allocated by kzalloc, so both the members prev,next of @ftracemode-list are NULL, it's not a valid state to call listdel. If kstrdup for @ftracemod-func|modul...

CVE-2022-49801

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in tracingreadpipe kmemleak reports this issue: unreferenced object 0xffff888105a18900 size 128: comm "testprogs", pid 18933, jiffies 4336275356 age 22801.766s hex dump first 32 bytes: 25 73 00 90 81 88 f...

DEBIAN-CVE-2022-49778

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for non-leaf pmd/pud The page table check trigger BUGON unexpectedly when collapse hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:82! Internal error: Oops - BUG...

UBUNTU-CVE-2022-49778

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for non-leaf pmd/pud The page table check trigger BUGON unexpectedly when collapse hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:82! Internal error: Oops - BUG...

UBUNTU-CVE-2022-49898

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix tree mod log mishandling of reallocated nodes We have been seeing the following panic in production kernel BUG at fs/btrfs/tree-mod-log.c:677! invalid opcode: 0000 1 SMP RIP: 0010:treemodlogrewind+0x1b4/0x200 RSP:...

UBUNTU-CVE-2022-49770

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid putting the realm twice when decoding snaps fails When decoding the snaps fails it maybe leaving the 'firstrealm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random...

CVE-2022-49931 IB/hfi1: Correctly move list in sc_disable()

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Correctly move list in scdisable Commit 13bac861952a "IB/hfi1: Fix abba locking issue with scdisable" incorrectly tries to move a list from one list head to another. The result is a kernel crash. The crash is triggered...

CVE-2022-49900 i2c: piix4: Fix adapter not be removed in piix4_remove()

In the Linux kernel, the following vulnerability has been resolved: i2c: piix4: Fix adapter not be removed in piix4remove In piix4probe, the piix4 adapter will be registered in: piix4probe piix4addadapterssb800 / piix4addadapter i2caddadapter Based on the probed device type, piix4addadapterssb800...

CVE-2022-49884 KVM: Initialize gfn_to_pfn_cache locks in dedicated helper

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit'...

CVE-2022-49884

CVE-2022-49884 relates to Linux kernel KVM: gfn_to_pfn_cache lock initialization, which was moved to a dedicated helper during VM/vCPU creation to address race conditions that could occur if kvm_gfn_to_pfn_cache_init() re-initializes locks. The description includes a race scenario involving kvm_x...

CVE-2022-49879

In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUGON when directory entry has invalid reclen The reclen field in the directory entry has to be a multiple of 4. A corrupted filesystem image can be used to hit a BUG in ext4reclentodisk, called from makeindexeddir...

CVE-2022-49869

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix possible crash in bnxthwrmsetcoal During the error recovery sequence, the rtnllock is not held for the entire duration and some datastructures may be freed during the sequence. Check for the BNXTSTATEOPEN flag instead...

CVE-2022-49862 tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header

In the Linux kernel, the following vulnerability has been resolved: tipc: fix the msg-req tlv len check in tipcnlcompatnametabledumpheader This is a follow-up for commit 974cb0e3e7c9 "tipc: fix uninit-value in tipcnlcompatnametabledump" where it should have type casted sizeof.. to int to work whe...

CVE-2022-49859 net: lapbether: fix issue of invalid opcode in lapbeth_open()

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: fix issue of invalid opcode in lapbethopen If lapbregister failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device go...

CVE-2022-49830

CVE-2022-49830 affects the Linux kernel’s DRM subsystem. The issue occurs in drm_dev_init(), which adds drm_dev_init_release() as a callback; if drmm_add_action() fails, the release callback isn’t registered, causing the refcnt from device_get() in drm_dev_init() to leak instead of being released...

CVE-2022-49826 ata: libata-transport: fix double ata_host_put() in ata_tport_add()

In the Linux kernel, the following vulnerability has been resolved: ata: libata-transport: fix double atahostput in atatportadd In the error path in atatportadd, when calling putdevice, atatportrelease is called, it will put the refcount of 'ap-host'. And then atahostput is called again, the...

CVE-2022-49796 tracing: kprobe: Fix potential null-ptr-deref on trace_array in kprobe_event_gen_test_exit()

In the Linux kernel, the following vulnerability has been resolved: tracing: kprobe: Fix potential null-ptr-deref on tracearray in kprobeeventgentestexit When testgenkprobecmd failed after kprobeeventgencmdend, it will goto delete, which will call kprobeeventdelete and release the corresponding...