Linux Kernel Security Vulnerabilities

CVE-2022-48757

In the Linux kernel, the following vulnerability has been resolved: net: fix information leakage in /proc/net/ptype In one net namespace, after creating a packet socket without bindingit to a device, users in other net namespaces can observe the newpacket_type added by this packet socket by reading...

CVE-2022-48758

In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Flush destroy_work queue before calling bnx2fc_interface_put() The bnx2fc_destroy() functions are removing the interface before callingdestroy_work. This results multiple WARNings from sysfs_remove_group() asthe contr...

CVE-2022-48759

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev struct rpmsg_ctrldev contains a struct cdev. The current code freesthe rpmsg_ctrldev struct in rpmsg_ctrldev_release_device(), but thecdev is a managed object, the...

CVE-2022-48760

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usb_kill_urb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waitingfor usb_kill_urb() to return. It turns out the issue is not unlinkingthe URB; that works just fine....

CVE-2022-48761

In the Linux kernel, the following vulnerability has been resolved: usb: xhci-plat: fix crash when suspend if remote wake enable Crashed at i.mx8qm platform when suspend if enable remote wakeup Internal error: synchronous external abort: 96000210 [#1] PREEMPT SMPModules linked in:CPU: 2 PID: 244 Co...

CVE-2022-48762

In the Linux kernel, the following vulnerability has been resolved: arm64: extable: fix load_unaligned_zeropad() reg indices In ex_handler_load_unaligned_zeropad() we erroneously extract the data andaddr register indices from ex->type rather than ex->data. As ex->type willcontain EX_TYPE_L...

CVE-2022-48763

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Forcibly leave nested virt when SMM state is toggled Forcibly leave nested virtualization operation if userspace toggles SMMstate via KVM_SET_VCPU_EVENTS or KVM_SYNC_X86_EVENTS. If userspaceforces the vCPU out of SMM whil...

CVE-2022-48764

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2} Free the "struct kvm_cpuid_entry2" array on successful post-KVM_RUNKVM_SET_CPUID{,2} to fix a memory leak, the callers of kvm_set_cpuid()free the array only on...

CVE-2022-48765

In the Linux kernel, the following vulnerability has been resolved: KVM: LAPIC: Also cancel preemption timer during SET_LAPIC The below warning is splatting during guest reboot. ------------[ cut here ]------------WARNING: CPU: 0 PID: 1931 at arch/x86/kvm/x86.c:10322 kvm_arch_vcpu_ioctl_run+0x874/0...

CVE-2022-48766

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap dcn301_calculate_wm_and_dlg for FPU. Mirrors the logic for dcn30. Cue lots of WARNs and somekernel panics without this fix.

CVE-2022-48767

In the Linux kernel, the following vulnerability has been resolved: ceph: properly put ceph_string reference after async create attempt The reference acquired by try_prep_async_create is currently leaked.Ensure we put it.

CVE-2022-48768

In the Linux kernel, the following vulnerability has been resolved: tracing/histogram: Fix a potential memory leak for kstrdup() kfree() is missing on an error path to free the memory allocated bykstrdup(): p = param = kstrdup(data->params[i], GFP_KERNEL); So it is better to free it via kfree(p)...

CVE-2022-48769

In the Linux kernel, the following vulnerability has been resolved: efi: runtime: avoid EFIv2 runtime services on Apple x86 machines Aditya reports [0] that his recent MacbookPro crashes in the firmwarewhen using the variable services at runtime. The culprit appears to be acall to QueryVariableInfo...

CVE-2022-48770

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack() task_pt_regs() can return NULL on powerpc for kernel threads. This isthen used in __bpf_get_stack() to check for user mode, resulting in akernel oops. Guard against ...

CVE-2022-48771

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix stale file descriptors on failed usercopy A failing usercopy of the fence_rep object will lead to a stale entry inthe file descriptor table as put_unused_fd() won't release it. Thisenables userland to refer to a dan...

CVE-2022-48772

In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: Add a check against null-pointer-def The driver should check whether the client provides the platform_data. The following log reveals it: [ 29.610324] BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40[ 29.610730] Re...

CVE-2022-48773

In the Linux kernel, the following vulnerability has been resolved: xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create If there are failures then we must not leave the non-NULL pointers withthe error value, otherwise rpcrdma_ep_destroy gets confused and triesfree them, resulting in an...

CVE-2022-48774

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ptdma: Fix the error handling path in pt_core_init() In order to free resources correctly in the error handling path ofpt_core_init(), 2 goto's have to be switched. Otherwise, some resourceswill leak and we will try to r...

CVE-2022-48775

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj kobject_init_and_add() takes reference even when it fails.According to the doc of kobject_init_and_add()： If this function returns an error, kobject_put() must be called...

CVE-2022-48776

In the Linux kernel, the following vulnerability has been resolved: mtd: parsers: qcom: Fix missing free for pparts in cleanup Mtdpart doesn't free pparts when a cleanup function is declared.Add missing free for pparts in cleanup function for smem to fix theleak.

CVE-2022-48777

In the Linux kernel, the following vulnerability has been resolved: mtd: parsers: qcom: Fix kernel panic on skipped partition In the event of a skipped partition (case when the entry name is empty)the kernel panics in the cleanup function as the name entry is NULL.Rework the parser logic by first c...

CVE-2022-48778

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: gpmi: don't leak PM reference in error path If gpmi_nfc_apply_timings() fails, the PM runtime usage counter must bedropped.

CVE-2022-48779

In the Linux kernel, the following vulnerability has been resolved: net: mscc: ocelot: fix use-after-free in ocelot_vlan_del() ocelot_vlan_member_del() will free the struct ocelot_bridge_vlan, so ifthis is the same as the port's pvid_vlan which we access afterwards,what we're accessing is freed mem...

CVE-2022-48780

In the Linux kernel, the following vulnerability has been resolved: net/smc: Avoid overwriting the copies of clcsock callback functions The callback functions of clcsock will be saved and replaced duringthe fallback. But if the fallback happens more than once, then thecopies of these callback funct...

CVE-2022-48781

In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - get rid of alg_memory_allocated alg_memory_allocated does not seem to be really used. alg_proto does have a .memory_allocated field, but nocorresponding .sysctl_mem. This means sk_has_account() returns true, but al...

CVE-2022-48782

In the Linux kernel, the following vulnerability has been resolved: mctp: fix use after free Clang static analysis reports this problemroute.c:425:4: warning: Use of memory after it is freedtrace_mctp_key_acquire(key);^~~~~~~~~~~~~~~~~~~~~~~~~~~When mctp_key_add() fails, key is freed but then is la...

CVE-2022-48783

In the Linux kernel, the following vulnerability has been resolved: net: dsa: lantiq_gswip: fix use after free in gswip_remove() of_node_put(priv->ds->slave_mii_bus->dev.of_node) should bedone before mdiobus_free(priv->ds->slave_mii_bus).

CVE-2022-48784

In the Linux kernel, the following vulnerability has been resolved: cfg80211: fix race in netlink owner interface destruction My previous fix here to fix the deadlock left a race wherethe exact same deadlock (see the original commit referencedbelow) can still happen if cfg80211_destroy_ifaces() alr...

CVE-2022-48785

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6_get_lladdr() Some time ago 8965779d2c0e ("ipv6,mcast: always hold idev->lock before mca_lock")switched ipv6_get_lladdr() to __ipv6_get_lladdr(), which is rcu-unsafeversion. That was OK, ...

CVE-2022-48786

In the Linux kernel, the following vulnerability has been resolved: vsock: remove vsock from connected table when connect is interrupted by a signal vsock_connect() expects that the socket could already be in theTCP_ESTABLISHED state when the connecting task wakes up with a signalpending. If this h...

CVE-2022-48787

In the Linux kernel, the following vulnerability has been resolved: iwlwifi: fix use-after-free If no firmware was present at all (or, presumably, all of thefirmware files failed to parse), we end up unbinding by callingdevice_release_driver(), which calls remove(), which then iniwlwifi calls iwl_d...

CVE-2022-48788

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: fix possible use-after-free in transport error_recovery work While nvme_rdma_submit_async_event_work is checking the ctrl and queuestate before preparing the AER command and scheduling io_work, in orderto fully prevent a...

CVE-2022-48789

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix possible use-after-free in transport error_recovery work While nvme_tcp_submit_async_event_work is checking the ctrl and queuestate before preparing the AER command and scheduling io_work, in orderto fully prevent a r...

CVE-2022-48790

In the Linux kernel, the following vulnerability has been resolved: nvme: fix a possible use-after-free in controller reset during load Unlike .queue_rq, in .submit_async_event drivers may not check the ctrlreadiness for AER submission. This may lead to a use-after-freecondition that was observed w...

CVE-2022-48791

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix use-after-free for aborted TMF sas_task Currently a use-after-free may occur if a TMF sas_task is aborted before wehandle the IO completion in mpi_ssp_completion(). The abort occurs due totimeout. When the timeout...

CVE-2022-48792

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task Currently a use-after-free may occur if a sas_task is aborted by the upperlayer before we handle the I/O completion in mpi_ssp_completion() ormpi_sata_completion(). In t...

CVE-2022-48793

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: nSVM: fix potential NULL derefernce on nested migration Turns out that due to review feedback and/or rebasesI accidentally moved the call to nested_svm_load_cr3 to be too early,before the NPT is enabled, which is very wro...

CVE-2022-48794

In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: at86rf230: Stop leaking skb's Upon error the ieee802154_xmit_complete() helper is not called. Onlyieee802154_wake_queue() is called manually. In the Tx case we then leakthe skb structure. Free the skb structure upo...

CVE-2022-48795

In the Linux kernel, the following vulnerability has been resolved: parisc: Fix data TLB miss in sba_unmap_sg Rolf Eike Beer reported the following bug: [1274934.746891] Bad Address (null pointer deref?): Code=15 (Data TLB miss fault) at addr 0000004140000018[1274934.746891] CPU: 3 PID: 5549 Comm: ...

CVE-2022-48796

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix potential use-after-free during probe Kasan has reported the following use after free on dev->iommu.when a device probe fails and it is in process of freeing dev->iommuin dev_iommu_free function, a deferred_probe_w...

CVE-2022-48797

In the Linux kernel, the following vulnerability has been resolved: mm: don't try to NUMA-migrate COW pages that have other uses Oded Gabbay reports that enabling NUMA balancing causes corruption withhis Gaudi accelerator test load: "All the details are in the bug, but the bottom line is that someh...

CVE-2022-48798

In the Linux kernel, the following vulnerability has been resolved: s390/cio: verify the driver availability for path_event call If no driver is attached to a device or the driver does not provide thepath_event function, an FCES path-event on this device could end up in akernel-panic. Verify the dr...

CVE-2022-48799

In the Linux kernel, the following vulnerability has been resolved: perf: Fix list corruption in perf_cgroup_switch() There's list corruption on cgrp_cpuctx_list. This happens on thefollowing path: perf_cgroup_switch: list_for_each_entry(cgrp_cpuctx_list)cpu_ctx_sched_inctx_sched_inctx_pinned_sched...

CVE-2022-48800

In the Linux kernel, the following vulnerability has been resolved: mm: vmscan: remove deadlock due to throttling failing to make progress A soft lockup bug in kcompactd was reported in a private bugzilla withthe following visible in dmesg; watchdog: BUG: soft lockup - CPU#33 stuck for 26s! [kcompa...

CVE-2022-48801

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL If we fail to copy the just created file descriptor to userland, wetry to clean up by putting back 'fd' and freeing 'ib'. The code usesput_unused_fd() for the ...

CVE-2022-48802

In the Linux kernel, the following vulnerability has been resolved: fs/proc: task_mmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785!invalid opcode: 0000 [#1] PREEMPT SMP KASANCPU: 1 PID: 4392 Comm: syz-executor560 Not tain...

CVE-2022-48803

In the Linux kernel, the following vulnerability has been resolved: phy: ti: Fix missing sentinel for clk_div_table _get_table_maxdiv() tries to access "clk_div_table" array out of bounddefined in phy-j721e-wiz.c. Add a sentinel entry to preventthe following global-out-of-bounds error reported by e...

CVE-2022-48804

In the Linux kernel, the following vulnerability has been resolved: vt_ioctl: fix array_index_nospec in vt_setactivate array_index_nospec ensures that an out-of-bounds value is set to zeroon the transient path. Decreasing the value by one afterwards causesa transient integer underflow. vsa.console ...

CVE-2022-48805

In the Linux kernel, the following vulnerability has been resolved: net: usb: ax88179_178a: Fix out-of-bounds accesses in RX fixup ax88179_rx_fixup() contains several out-of-bounds accesses that can betriggered by a malicious (or defective) USB device, in particular: The metadata array (hdr_off..hd...

CVE-2022-48806

In the Linux kernel, the following vulnerability has been resolved: eeprom: ee1004: limit i2c reads to I2C_SMBUS_BLOCK_MAX Commit effa453168a7 ("i2c: i801: Don't silently correct invalid transfersize") revealed that ee1004_eeprom_read() did not properly limit howmany bytes to read at once. In parti...