CVE-2021-47547

In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be ou...

CVE-2021-47586

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: dwmac-rk: fix oob read in rk_gmac_setup KASAN reports an out-of-bounds read in rk_gmac_setup on the line: while (ops->regs[i]) { This happens for most platforms since the regs flexible array member isempty, so the m...

CVE-2021-47096

In the Linux kernel, the following vulnerability has been resolved: ALSA: rawmidi - fix the uninitalized user_pversion The user_pversion was uninitialized for the user space file structurein the open function, because the file private structure usekmalloc for the allocation. The kernel ALSA sequenc...

CVE-2021-47189

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix memory ordering between normal and ordered work functions Ordered work functions aren't guaranteed to be handled by the same threadwhich executed the normal work functions. The only way execution betweennormal/ordered fu...

CVE-2021-47552

In the Linux kernel, the following vulnerability has been resolved: blk-mq: cancel blk-mq dispatch work in both blk_cleanup_queue and disk_release() For avoiding to slow down queue destroy, we don't callblk_mq_quiesce_queue() in blk_cleanup_queue(), instead of delaying tocancel dispatch work in blk...

CVE-2021-47557

In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_ets: don't peek at classes beyond 'nbands' when the number of DRR classes decreases, the round-robin active list cancontain elements that have already been freed in ets_qdisc_change(). As aconsequence, it's possible ...

CVE-2021-47562

In the Linux kernel, the following vulnerability has been resolved: ice: fix vsi->txq_map sizing The approach of having XDP queue per CPU regardless of user's settingexposed a hidden bug that could occur in case when Rx queue count differfrom Tx queue count. Currently vsi->txq_map's size is e...

CVE-2021-47089

In the Linux kernel, the following vulnerability has been resolved: kfence: fix memory leak when cat kfence objects Hulk robot reported a kmemleak problem: unreferenced object 0xffff93d1d8cc02e8 (size 248): comm "cat", pid 23327, jiffies 4624670141 (age 495992.217s) hex dump (first 32 bytes): 00 40...

CVE-2021-47192

In the Linux kernel, the following vulnerability has been resolved: scsi: core: sysfs: Fix hang when device state is set via sysfs This fixes a regression added with: commit f0f82e2476f6 ("scsi: core: Fix capacity set to zero afterofflinining device") The problem is that after iSCSI recovery, iscsi...

CVE-2021-47215

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix crash in RX resync flow For the TLS RX resync flow, we maintain a list of TLS contextsthat require some attention, to communicate their resync informationto the HW.Here we fix list corruptions, by protecting th...

CVE-2021-47587

In the Linux kernel, the following vulnerability has been resolved: net: systemport: Add global locking for descriptor lifecycle The descriptor list is a shared resource across all of the transmit queues, andthe locking mechanism used today only protects concurrency across a giventransmit queue bet...

CVE-2021-47093

In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel_pmc_core: fix memleak on registration failure In case device registration fails during module initialisation, theplatform device structure needs to be freed using platform_device_put()to properly free all resour...

CVE-2021-47564

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix double free issue on err path fix error path handling in prestera_bridge_port_join() thatcases prestera driver to crash (see below). Trace:Internal error: Oops: 96000044 [#1] SMPModules linked in: preste...

CVE-2021-47083

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mediatek: fix global-out-of-bounds issue When eint virtual eint number is greater than gpio number,it maybe produce 'desc[eint_n]' size globle-out-of-bounds issue.

CVE-2021-47197

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: nullify cq->dbg pointer in mlx5_debug_cq_remove() Prior to this patch in case mlx5_core_destroy_cq() failed it proceedsto rest of destroy operations. mlx5_core_destroy_cq() could be called againby user and cause addit...

CVE-2021-47499

In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove When ACPI type is ACPI_SMO8500, the data->dready_trig will not be set, thememory allocated by iio_triggered_buffer_setup() will not be freed, and causememory l...

CVE-2021-47092

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Always clear vmx->fail on emulation_required Revert a relatively recent change that set vmx->fail if the vCPU is in L2and emulation_required is true, as that behavior is completely bogus.Setting vmx->fail and syn...

CVE-2021-47594

In the Linux kernel, the following vulnerability has been resolved: mptcp: never allow the PM to close a listener subflow Currently, when deleting an endpoint the netlink PM treversesall the local MPTCP sockets, regardless of their status. If an MPTCP listener socket is bound to the IP matching the...

CVE-2021-47088

In the Linux kernel, the following vulnerability has been resolved: mm/damon/dbgfs: protect targets destructions with kdamond_lock DAMON debugfs interface iterates current monitoring targets in'dbgfs_target_ids_read()' while holding the corresponding'kdamond_lock'. However, it also destructs the mo...

CVE-2021-47554

In the Linux kernel, the following vulnerability has been resolved: vdpa_sim: avoid putting an uninitialized iova_domain The system will crash if we put an uninitialized iova_domain, thiscould happen when an error occurs before initializing the iova_domainin vdpasim_create(). BUG: kernel NULL point...

CVE-2021-47184

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix NULL ptr dereference on VSI filter sync Remove the reason of null pointer dereference in sync VSI filters.Added new I40E_VSI_RELEASING flag to signalize deleting and releasingof VSI resources to sync this thread with sync...

CVE-2021-47196

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Set send and receive CQ before forwarding to the driver Preset both receive and send CQ pointers prior to call to the drivers andoverwrite it later again till the mlx4 is going to be changed do notoverwrite ibqp properti...

CVE-2021-47503

In the Linux kernel, the following vulnerability has been resolved: scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc() Calling scsi_remove_host() before scsi_add_host() results in a crash: BUG: kernel NULL pointer dereference, address: 0000000000000108RIP: 0010:device_del+0x63/0x440Call...

CVE-2021-47204

In the Linux kernel, the following vulnerability has been resolved: net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove Access to netdev after free_netdev() will cause use-after-free bug.Move debug log before free_netdev() call to avoid it.

CVE-2021-47605

In the Linux kernel, the following vulnerability has been resolved: vduse: fix memory corruption in vduse_dev_ioctl() The "config.offset" comes from the user. There needs to a check toprevent it being out of bounds. The "config.offset" and"dev->config_size" variables are both type u32. So if the...

CVE-2021-47512

In the Linux kernel, the following vulnerability has been resolved: net/sched: fq_pie: prevent dismantle issue For some reason, fq_pie_destroy() did not copyworking code from pie_destroy() and other qdiscs,thus causing elusive bug. Before calling del_timer_sync(&q->adapt_timer),we need to ensure...

CVE-2021-47535

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: Allocate enough space for GMU registers In commit 142639a52a01 ("drm/msm/a6xx: fix crashstate capture forA650") we changed a6xx_get_gmu_registers() to read 3 sets ofregisters. Unfortunately, we didn't change the memor...

CVE-2021-47591

In the Linux kernel, the following vulnerability has been resolved: mptcp: remove tcp ulp setsockopt support TCP_ULP setsockopt cannot be used for mptcp because its alreadyused internally to plumb subflow (tcp) sockets to the mptcp layer. syzbot managed to trigger a crash for mptcp connections that...

CVE-2021-47611

In the Linux kernel, the following vulnerability has been resolved: mac80211: validate extended element ID is present Before attempting to parse an extended element, verify thatthe extended element ID is present.

CVE-2021-47199

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: CT, Fix multiple allocations and memleak of mod acts CT clear action offload adds additional mod hdr actions to theflow's original mod actions in order to clear the registers whichhold ct_state.When such flow also includ...

CVE-2021-47514

In the Linux kernel, the following vulnerability has been resolved: devlink: fix netns refcount leak in devlink_nl_cmd_reload() While preparing my patch series adding netns refcount tracking,I spotted bugs in devlink_nl_cmd_reload() Some error paths forgot to release a refcount on a netns. To fix t...

CVE-2021-47613

In the Linux kernel, the following vulnerability has been resolved: i2c: virtio: fix completion handling The driver currently assumes that the notify callback is only receivedwhen the device is done with all the queued buffers. However, this is not true, since the notify callback could be calledwit...

CVE-2021-47607

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix kernel address leakage in atomic cmpxchg's r0 aux reg The implementation of BPF_CMPXCHG on a high level has the following parameters: .-[old-val] .-[new-val]BPF_R0 = cmpxchg{32,64}(DST_REG + insn->off, BPF_R0, SRC_REG)-...

CVE-2021-47608

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix kernel address leakage in atomic fetch The change in commit 37086bfdc737 ("bpf: Propagate stack bounds to registersin atomics w/ BPF_FETCH") around check_mem_access() handling is buggy sincethis would allow for unprivilege...

CVE-2021-47568

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memleak in get_file_stream_info() Fix memleak in get_file_stream_info()

CVE-2021-47593

In the Linux kernel, the following vulnerability has been resolved: mptcp: clear 'kern' flag from fallback sockets The mptcp ULP extension relies on sk->sk_sock_kern being set correctly:It prevents setsockopt(fd, IPPROTO_TCP, TCP_ULP, "mptcp", 6); fromworking for plain tcp sockets (any userspace...