CVE-2022-49939

In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF of ref-proc caused by race condition A transaction of type BINDERTYPEWEAKHANDLE can fail to increment the reference for a node. In this case, the target proc normally releases the failed reference upon close as...

UBUNTU-CVE-2022-50182

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Align upwards buffer size The hardware can support any image size WxH, with arbitrary W image width and H image height dimensions. Align upwards buffer size for both encoder and decoder. and leave the picture...

CVE-2022-50229

CVE-2022-50229 is a Linux kernel vulnerability in the ALSA bcd2000 driver. The issue is a use-after-free (UAF) bug that occurs on the error path during probing: when snd_card_register() fails, the driver frees midi_out_urb before it is killed, enabling a UAF condition. The observed log pattern me...

CVE-2022-50228

CVE-2022-50228 is a Linux kernel vulnerability affecting KVM on x86 with SVM. The issue occurs when userspace can inject an interrupt with GIF=0, which can trigger a kernel BUG (fatal crash) in arch/x86/kvm/svm/svm.c. The provided descriptions explicitly show a kernel BUG at svm_inject_irq and an...

CVE-2022-50223 LoongArch: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK

In the Linux kernel, the following vulnerability has been resolved: LoongArch: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS is selected, cpumaxbitswarn generates a runtime warning similar as below while we show /proc/cpuinfo. Fix this by...

CVE-2022-50206

The CVE-2022-50206 issue affects the Linux kernel (ARM64) where emulation_proc_handler() concurrently updates table->data for proc_dointvec_minmax, allowing a NULL pointer dereference Oops. The fix is to keep table->data as &insn->current_mode and to retrieve the insn pointer with contai...

CVE-2022-50182 media: imx-jpeg: Align upwards buffer size

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Align upwards buffer size The hardware can support any image size WxH, with arbitrary W image width and H image height dimensions. Align upwards buffer size for both encoder and decoder. and leave the picture...

CVE-2022-50171

CVE-2022-50171 affects the Linux kernel crypto path for Hisilicon sec2 (drivers/crypto/hisilicon/sec2/sec_crypto.c). The issue arises when the Kunpeng920 encryption driver processes packets during softirq: mutex locking is improperly used in softirq context, causing a scheduling-while-atomic scen...

CVE-2022-50171 crypto: hisilicon/sec - don't sleep when in softirq

In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec - don't sleep when in softirq When kunpeng920 encryption driver is used to deencrypt and decrypt packets during the softirq, it is not allowed to use mutex lock. The kernel will report the following error:...

CVE-2022-50168 bpf, x86: fix freeing of not-finalized bpf_prog_pack

In the Linux kernel, the following vulnerability has been resolved: bpf, x86: fix freeing of not-finalized bpfprogpack syzbot reported a few issues with bpfprogpack 1, 2. This only happens with multiple subprogs. In jitsubprogs, we first call bpfintjitcompile on each sub program. And then, we cal...

CVE-2022-50164 wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix double listadd at iwlmvmmacwaketxqueue After successfull station association, if station queues are disabled for some reason, the related lists are not emptied. So if some new element is added to the list ...

CVE-2022-50144 soundwire: revisit driver bind/unbind and callbacks

In the Linux kernel, the following vulnerability has been resolved: soundwire: revisit driver bind/unbind and callbacks In the SoundWire probe, we store a pointer from the driver ops into the 'slave' structure. This can lead to kernel oopses when unbinding codec drivers, e.g. with the following...

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-2022-50118 powerpc/perf: Optimize clearing the pending PMI and remove WARN_ON for PMI check in power_pmu_disable

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Optimize clearing the pending PMI and remove WARNON for PMI check in powerpmudisable commit 2c9ac51b850d "powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an overflown PMC" added a new function...

CVE-2022-50118

CVE-2022-50118 describes a Linux kernel issue in the PowerPC perf PMU path. A new pmi_irq_pending check in hw_irq.h is used by power_pmu_disable to warn if PMI is pending when no counter overflows. The patch set removes the WARN_ON for PMI in this scenario and adds an optimization to clear pendin...

CVE-2022-50115 ASoC: SOF: ipc3-topology: Prevent double freeing of ipc_control_data via load_bytes

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-topology: Prevent double freeing of ipccontroldata via loadbytes We have sanity checks for byte controls and if any of the fail the locally allocated scontrol-ipccontroldata is freed up, but not set to NULL. On a...

CVE-2022-50112 rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge

In the Linux kernel, the following vulnerability has been resolved: rpmsg: qcomsmd: Fix refcount leak in qcomsmdparseedge ofparsephandle returns a node pointer with refcount incremented, we should use ofnodeput on it when done...

CVE-2022-50105 powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader

In the Linux kernel, the following vulnerability has been resolved: powerpc/spufs: Fix refcount leak in spufsinitisolatedloader offindnodebypath returns remote device nodepointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-50100

CVE-2022-50100 affects the Linux kernel sched/core: Do not requeue a task on a CPU excluded from cpus_mask. The issue arises from a ttwu wakeup optimization that could queue a task on the wrong CPU, triggering an early-boot warning on large machines. The commit c6e7bd7afaeb implements a fix by en...

CVE-2022-50085 dm raid: fix address sanitizer warning in raid_resume

In the Linux kernel, the following vulnerability has been resolved: dm raid: fix address sanitizer warning in raidresume There is a KASAN warning in raidresume when running the lvm test lvconvert-raid.sh. The reason for the warning is that mddev-raiddisks is greater than rs-raiddisks, so the loop...