CVE-2022-48973

In the Linux kernel, the following vulnerability has been resolved: gpio: amd8111: Fix PCI device reference count leak foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the reference...

CVE-2022-48962

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fix potential use-after-free in hisifemacrx The skb is delivered to napigroreceive which may free it, after calling this, dereferencing skb may trigger use-after-free...

CVE-2022-49033 btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix sleep from invalid context bug in btrfsqgroupinherit Syzkaller reported BUG as follows: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 Call Trace: dumpstacklvl+0xcd/0x134...

CVE-2022-49030 libbpf: Handle size overflow for ringbuf mmap

In the Linux kernel, the following vulnerability has been resolved: libbpf: Handle size overflow for ringbuf mmap The maximum size of ringbuf is 2GB on x86-64 host, so 2 maxentries will overflow u32 when mapping producer page and data pages. Only casting maxentries to sizet is not enough, because...

CVE-2022-49019 net: ethernet: nixge: fix NULL dereference

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: nixge: fix NULL dereference In function nixgehwdmabdrelease dereference of NULL pointer priv-rxbdv is possible for the case of its allocation failure in nixgehwdmabdinit. Move for loop with priv-rxbdv dereference...

CVE-2022-49017 tipc: re-fetch skb cb after tipc_msg_validate

In the Linux kernel, the following vulnerability has been resolved: tipc: re-fetch skb cb after tipcmsgvalidate As the call trace shows, the original skb was freed in tipcmsgvalidate, and dereferencing the old skb cb would cause an use-after-free crash. BUG: KASAN: use-after-free in...

CVE-2022-49016 net: mdiobus: fix unbalanced node reference count

In the Linux kernel, the following vulnerability has been resolved: net: mdiobus: fix unbalanced node reference count I got the following report while doing devicemscc-miim load test with CONFIGOFUNITTEST and CONFIGOFDYNAMIC enabled: OF: ERROR: memory leak, expected refcount 1 instead of 2,...

CVE-2022-49015

The CVE-2022-49015 entry concerns a Linux kernel use-after-free in the net: hsr path. The issue arises when a socket buffer (skb) delivered to netif_rx() may be freed, and subsequent dereferencing of skb could trigger a UAF. Affects the Linux kernel’s hsr subsystem (net: hsr) and is tied to skb l...

CVE-2022-49011 hwmon: (coretemp) fix pci device refcount leak in nv1a_ram_new()

In the Linux kernel, the following vulnerability has been resolved: hwmon: coretemp fix pci device refcount leak in nv1aramnew As comment of pcigetdomainbusandslot says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling...

CVE-2022-49005 ASoC: ops: Fix bounds check for _sx controls

In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Fix bounds check for sx controls For sx controls the semantics of the max field is not the usual one, max is the number of steps rather than the maximum value. This means that our check in sndsocputvolswsx needs to jus...

CVE-2022-48997 char: tpm: Protect tpm_pm_suspend with locks

In the Linux kernel, the following vulnerability has been resolved: char: tpm: Protect tpmpmsuspend with locks Currently tpm transactions are executed unconditionally in tpmpmsuspend function, which may lead to races with other tpm accessors in the system. Specifically, the hwrandom tpm driver...

CVE-2022-48992

CVE-2022-48992 pertains to the Linux kernel: the ASoC subsystem (soc-pcm) BE reparenting path had a NULL pointer dereference risk exposed during fuzzing. The root cause is a missing NULL check in the dpcm_be_reparent API, which could lead to kernel NULL pointer dereference. The fix adds an explic...

CVE-2022-48990 drm/amdgpu: fix use-after-free during gpu recovery

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix use-after-free during gpu recovery Why 754.862560 refcountt: underflow; use-after-free. 754.862898 Call Trace: 754.862903 754.862913 amdgpujobfreecb+0xc2/0xe1 amdgpu 754.863543 drmschedmain.cold+0x34/0x39 amdsched...

CVE-2022-48988

In the Linux kernel, the following vulnerability has been resolved: memcg: fix possible use-after-free in memcgwriteeventcontrol memcgwriteeventcontrol accesses the dentry-dname of the specified control fd to route the write call. As a cgroup interface file can't be renamed, it's safe to access...

CVE-2022-48984 can: slcan: fix freed work crash

In the Linux kernel, the following vulnerability has been resolved: can: slcan: fix freed work crash The LTP test pty03 is causing a crash in slcan: BUG: kernel NULL pointer dereference, address: 0000000000000008 PF: supervisor read access in kernel mode PF: errorcode0x0000 - not-present page PGD...

CVE-2022-48984 can: slcan: fix freed work crash

In the Linux kernel, the following vulnerability has been resolved: can: slcan: fix freed work crash The LTP test pty03 is causing a crash in slcan: BUG: kernel NULL pointer dereference, address: 0000000000000008 PF: supervisor read access in kernel mode PF: errorcode0x0000 - not-present page PGD...

CVE-2022-48978 HID: core: fix shift-out-of-bounds in hid_report_raw_event

In the Linux kernel, the following vulnerability has been resolved: HID: core: fix shift-out-of-bounds in hidreportrawevent Syzbot reported shift-out-of-bounds in hidreportrawevent. microsoft 0003:045E:07DA.0001: hidfieldextract called with n 128 32! swapper/0...

CVE-2022-48979 drm/amd/display: fix array index out of bound error in DCN32 DML

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix array index out of bound error in DCN32 DML Why&How LinkCapacitySupport array is indexed with the number of voltage states and not the number of max DPPs. Fix the error by changing the array declaration to us...

CVE-2022-48974 netfilter: conntrack: fix using __this_cpu_add in preemptible

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix using thiscpuadd in preemptible Currently in nfconntrackhashcheckinsert, when it fails in nfctextvalidpre/post, NFCTSTATINC will be called in the preemptible context, a call trace can be triggered: BUG:...

CVE-2022-48971 Bluetooth: Fix not cleanup led when bt_init fails

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix not cleanup led when btinit fails btinit calls btledsinit to register led, but if it fails later, btledscleanup is not called to unregister it. This can cause panic if the argument "bluetooth-power" in text is free...