CVE-2021-47441

In the Linux kernel, the following vulnerability has been resolved: mlxsw: thermal: Fix out-of-bounds memory accesses Currently, mlxsw allows cooling states to be set above the maximumcooling state supported by the driver: cat /sys/class/thermal/thermal_zone2/cdev0/type mlxsw_fan cat /sys/class/the...

CVE-2021-47386

In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83791d) Fix NULL pointer dereference by removing unnecessary structure field If driver read val value sufficient for(val & 0x08) && (!(val & 0x80)) && ((val & 0x7) == ((val >> 4) & 0x7))from device then Null pointer ...

CVE-2021-47384

In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field If driver read tmp value sufficient for(tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0x7))from device then Null pointer d...

CVE-2021-47455

In the Linux kernel, the following vulnerability has been resolved: ptp: Fix possible memory leak in ptp_clock_register() I got memory leak as follows when doing fault injection test: unreferenced object 0xffff88800906c618 (size 8):comm "i2c-idt82p33931", pid 4421, jiffies 4294948083 (age 13.188s)h...

CVE-2021-47456

In the Linux kernel, the following vulnerability has been resolved: can: peak_pci: peak_pci_remove(): fix UAF When remove the module peek_pci, referencing 'chan' again afterreleasing 'dev' will cause UAF. Fix this by releasing 'dev' later. The following log reveals it: [ 35.961814 ] BUG: KASAN: use...

CVE-2021-47373

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Fix potential VPE leak on error In its_vpe_irq_domain_alloc, when its_vpe_init() returns an error,there is an off-by-one in the number of VPEs to be freed. Fix it by simply passing the number of VPEs allocated, ...

CVE-2021-47385

In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field If driver read val value sufficient for(val & 0x08) && (!(val & 0x80)) && ((val & 0x7) == ((val >> 4) & 0x7))from device then Null pointer ...

CVE-2021-47378

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cm_id before destroy qp to avoid to get cmaevent after qp was destroyed, which may lead to use after free.In RDMA connection establishment ...

CVE-2021-47416

In the Linux kernel, the following vulnerability has been resolved: phy: mdio: fix memory leak Syzbot reported memory leak in MDIO bus interface, the problem was inwrong state logic. MDIOBUS_ALLOCATED indicates 2 states:1. Bus is only allocated2. Bus allocated and __mdiobus_register() fails, butdev...

CVE-2021-47466

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential memoryleak in kmem_cache_open() In error path, the random_seq of slub cache might be leaked. Fix thisby using __kmem_cache_release() to release all the relevant resources.

CVE-2021-4439

In the Linux kernel, the following vulnerability has been resolved: isdn: cpai: check ctr->cnr to avoid array index out of bound The cmtp_add_connection() would add a cmtp session to a controllerand run a kernel thread to process cmtp. __module_get(THIS_MODULE); session->task = kthread_run(cm...

CVE-2021-47498

In the Linux kernel, the following vulnerability has been resolved: dm rq: don't queue request to blk-mq during DM suspend DM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue. But blk-mq's unquiesce may come from outside events, such as elevatorswitch, updating nr_requests or other...

CVE-2021-47489

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix even more out of bound writes from debugfs CVE-2021-42327 was fixed by: commit f23750b5b3d98653b31d4469592935ef6364ad67Author: Thelford Williams [email protected] Date: Wed Oct 13 16:04:13 2021 -0400 drm/amdgpu...

CVE-2021-47435

In the Linux kernel, the following vulnerability has been resolved: dm: fix mempool NULL pointer race when completing IO dm_io_dec_pending() calls end_io_acct() first and will then dec mdin-flight pending count. But if a task is swapping DM table at sametime this can result in a crash due to mempoo...

CVE-2020-36788

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: avoid a use-after-free when BO init fails nouveau_bo_init() is backed by ttm_bo_init() and ferries its return codeback to the caller. On failures, ttm_bo_init() invokes the provideddestructor which should de-initialize...

CVE-2021-47445

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix null pointer dereference on pointer edp The initialization of pointer dev dereferences pointer edp beforeedp is null checked, so there is a potential null pointer deferenceissue. Fix this by only dereferencing edp afte...

CVE-2021-47473

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix a memory leak in an error path of qla2x00_process_els() Commit 8c0eb596baa5 ("[SCSI] qla2xxx: Fix a memory leak in an error path ofqla2x00_process_els()"), intended to change: bsg_job->request->msgcode == F...

CVE-2021-47372

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use after free on rmmod plat_dev->dev->platform_data is released by platform_device_unregister(),use of pclk and hclk is a use-after-free. Since device unregister won'tneed a clk device we adjust the function c...

CVE-2021-47379

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd KASAN reports a use-after-free report when doing fuzz test: [693354.104835] ==================================================================[693354.105094] BUG:...

CVE-2021-47366

In the Linux kernel, the following vulnerability has been resolved: afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server AFS-3 has two data fetch RPC variants, FS.FetchData and FS.FetchData64, andLinux's afs client switches between them when talking to a non-YFS serverif the read size,...

CVE-2021-47407

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Handle SRCU initialization failure during page track init Check the return of init_srcu_struct(), which can fail due to OOM, wheninitializing the page track mechanism. Lack of checking leads to a NULLpointer deref found b...

CVE-2021-47438

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path Prior to this patch in case mlx5_core_destroy_cq() failed it returnswithout completing all destroy operations and that leads to memory leak.Instead, complete the destr...

CVE-2021-47443

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_tg_listen_mdaa() 'params' is allocated in digital_tg_listen_mdaa(), but not free whendigital_send_cmd() failed, which will cause memory leak. Fix it byfreeing 'params' if digital_se...

CVE-2021-47483

In the Linux kernel, the following vulnerability has been resolved: regmap: Fix possible double-free in regcache_rbtree_exit() In regcache_rbtree_insert_to_block(), when 'present' realloc failed,the 'blk' which is supposed to assign to 'rbnode->block' will be freed,so 'rbnode->block' points a...

CVE-2021-47380

In the Linux kernel, the following vulnerability has been resolved: HID: amd_sfh: Fix potential NULL pointer dereference devm_add_action_or_reset() can suddenly invoke amd_mp2_pci_remove() atregistration that will cause NULL pointer dereference sincecorresponding data is not initialized yet. The pa...

CVE-2021-47403

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was onlyreleased once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initi...

CVE-2021-47418

In the Linux kernel, the following vulnerability has been resolved: net_sched: fix NULL deref in fifo_set_limit() syzbot reported another NULL deref in fifo_set_limit() [1] I could repro the issue with : unshare -ntc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbittc qd repla...

CVE-2021-47459

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv It will trigger UAF for rx_kref of j1939_priv as following. cpu0 cpu1 j1939_sk_bind(socket0, ndev0, ...)j1939_netdev_startj1939_sk_bind(socket1, ndev0, ...)j1939_n...

CVE-2021-47486

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix potential NULL dereference The bpf_jit_binary_free() function requires a non-NULL argument. Whenthe RISC-V BPF JIT fails to converge in NR_JIT_ITERATIONS steps,jit_data->header will be NULL, which triggers a NULL...

CVE-2021-47404

In the Linux kernel, the following vulnerability has been resolved: HID: betop: fix slab-out-of-bounds Write in betop_probe Syzbot reported slab-out-of-bounds Write bug in hid-betopff driver.The problem is the driver assumes the device must have an input report butsome malicious devices violate thi...

CVE-2021-47464

In the Linux kernel, the following vulnerability has been resolved: audit: fix possible null-pointer dereference in audit_filter_rules Fix possible null-pointer dereference in audit_filter_rules. audit_filter_rules() error: we previously assumed 'ctx' could be null

CVE-2021-47484

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix possible null pointer dereference. This patch fixes possible null pointer dereference in files"rvu_debugfs.c" and "rvu_nix.c"

CVE-2021-47362

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Update intermediate power state for SI Update the current state as boot state during dpm initialization.During the subsequent initialization, set_power_state gets called totransition to the final power state. set_power_...

CVE-2021-47374

In the Linux kernel, the following vulnerability has been resolved: dma-debug: prevent an error message from causing runtime problems For some drivers, that use the DMA API. This error message can be reachedseveral millions of times per second, causing spam to the kernel's printkbuffer and bringing...

CVE-2021-47485

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to triggera buffer overflow of kernel memory. Check for overflows in all the placesdoing math on...

CVE-2021-47388

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix use-after-free in CCMP/GCMP RX When PN checking is done in mac80211, for fragmentation we needto copy the PN to the RX struct so we can later use it to do acomparison, since commit bf30ca922a0c ("mac80211: check defra...

CVE-2021-47402

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: protect fl_walk() with rcu Patch that refactored fl_walk() to use idr_for_each_entry_continue_ul()also removed rcu protection of individual filters which causes followinguse-after-free when filter is deleted con...

CVE-2021-47490

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: fix memleak in ttm_transfered_destroy We need to cleanup the fences for ghost objects as well. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214029Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214447

CVE-2021-47389

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix missing sev_decommission in sev_receive_start DECOMMISSION the current SEV context if binding an ASID fails afterRECEIVE_START. Per AMD's SEV API, RECEIVE_START generates a new guestcontext and thus needs to be paired...

CVE-2021-47359

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix soft lockup during fsstress Below traces are observed during fsstress and system got hung.[ 130.698396] watchdog: BUG: soft lockup - CPU#6 stuck for 26s!

CVE-2021-47368

In the Linux kernel, the following vulnerability has been resolved: enetc: Fix illegal access when reading affinity_hint irq_set_affinity_hit() stores a reference to the cpumask_tparameter in the irq descriptor, and that reference can beaccessed later from irq_affinity_hint_proc_show(). Sincethe cp...

CVE-2021-47409

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL,we need check the return value.

CVE-2021-47500

In the Linux kernel, the following vulnerability has been resolved: iio: mma8452: Fix trigger reference couting The mma8452 driver directly assigns a trigger to the struct iio_dev. TheIIO core when done using this trigger will call iio_trigger_put() to dropthe reference count by 1. Without the matc...

CVE-2021-47358

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must notrelease the underlying structures until the last user is gone. Switch to using the tty-port reference counter to man...

CVE-2021-47371

In the Linux kernel, the following vulnerability has been resolved: nexthop: Fix memory leaks in nexthop notification chain listeners syzkaller discovered memory leaks [1] that can be reduced to thefollowing commands: ip nexthop add id 1 blackhole devlink dev reload pci/0000:06:00.0 As part of the ...

CVE-2021-47423

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/debugfs: fix file release memory leak When using single_open() for opening, single_release() should becalled, otherwise the 'op' allocated in single_open() will be leaked.

CVE-2021-47426

In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Fix potential memory leak about jit_data Make sure to free jit_data through kfree() in the error path.

CVE-2021-47482

In the Linux kernel, the following vulnerability has been resolved: net: batman-adv: fix error handling Syzbot reported ODEBUG warning in batadv_nc_mesh_free(). The problem wasin wrong error handling in batadv_mesh_init(). Before this patch batadv_mesh_init() was calling batadv_mesh_free() in caseo...

CVE-2021-47442

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free whendigital_in_send_cmd() failed, which will cause memory leak. Fix itby freeing 'skb' if digital_in_...

CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOL_F_NUMA_BALANCING | MPOL_LOCAL in mbind() syzbot reported access to unitialized memory in mbind() [1] Issue came with commit bda420b98505 ("numa balancing: migrate on faultamong multiple bound...