SIMATIC PC-Station Plus Security Vulnerabilities

CVE-2021-47268 usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthread_worker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2.....

CVE-2021-47268 usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthread_worker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2.....

CVE-2021-47267 usb: fix various gadget panics on 10gbps cabling

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadget panics on 10gbps cabling usb_assign_descriptors() is called with 5 parameters, the last 4 of which are the usb_descriptor_header for: full-speed (USB1.1 - 12Mbps [including USB1.0 low-speed @ 1.5Mbps), ...

CVE-2021-47267 usb: fix various gadget panics on 10gbps cabling

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadget panics on 10gbps cabling usb_assign_descriptors() is called with 5 parameters, the last 4 of which are the usb_descriptor_header for: full-speed (USB1.1 - 12Mbps [including USB1.0 low-speed @ 1.5Mbps), ...

CVE-2021-47256 mm/memory-failure: make sure wait for page writeback in memory_failure

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: make sure wait for page writeback in memory_failure Our syzkaller trigger the "BUG_ON(!list_empty(&inode->i_wb_list))" in clear_inode: kernel BUG at fs/inode.c:519! Internal error: Oops - BUG: 0 [#1] SMP ...

CVE-2021-47246 net/mlx5e: Fix page reclaim for dead peer hairpin

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix page reclaim for dead peer hairpin When adding a hairpin flow, a firmware-side send queue is created for the peer net device, which claims some host memory pages for its internal ring buffer. If the peer net device.....

CVE-2021-47247 net/mlx5e: Fix use-after-free of encap entry in neigh update handler

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5e_rep_neigh_update() wasn't updated to accommodate rtnl lock removal from TC filter update path and properly handle concurrent encap entry...

CVE-2021-47246 net/mlx5e: Fix page reclaim for dead peer hairpin

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix page reclaim for dead peer hairpin When adding a hairpin flow, a firmware-side send queue is created for the peer net device, which claims some host memory pages for its internal ring buffer. If the peer net device.....

CVE-2021-47247 net/mlx5e: Fix use-after-free of encap entry in neigh update handler

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5e_rep_neigh_update() wasn't updated to accommodate rtnl lock removal from TC filter update path and properly handle concurrent encap entry...

CVE-2021-47228 x86/ioremap: Map EFI-reserved memory as encrypted for SEV

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Map EFI-reserved memory as encrypted for SEV Some drivers require memory that is marked as EFI boot services data. In order for this memory to not be re-used by the kernel after ExitBootServices(), efi_mem_reserve()...

CVE-2021-47228 x86/ioremap: Map EFI-reserved memory as encrypted for SEV

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Map EFI-reserved memory as encrypted for SEV Some drivers require memory that is marked as EFI boot services data. In order for this memory to not be re-used by the kernel after ExitBootServices(), efi_mem_reserve()...

CVE-2021-47222 net: bridge: fix vlan tunnel dst refcnt when egressing

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst refcnt when egressing The egress tunnel code uses dst_clone() and directly sets the result which is wrong because the entry might have 0 refcnt or be already deleted, causing number of problems. It....

CVE-2021-47220 usb: dwc3: core: fix kernel panic when do reboot

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: core: fix kernel panic when do reboot When do system reboot, it calls dwc3_shutdown and the whole debugfs for dwc3 has removed first, when the gadget tries to do deinit, and remove debugfs for its endpoints, it meets...

CVE-2021-47220 usb: dwc3: core: fix kernel panic when do reboot

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: core: fix kernel panic when do reboot When do system reboot, it calls dwc3_shutdown and the whole debugfs for dwc3 has removed first, when the gadget tries to do deinit, and remove debugfs for its endpoints, it meets...

Five Core Tenets Of Highly Effective DevSecOps Practices

One of the enduring challenges of building modern applications is to make them more secure without disrupting high-velocity DevOps processes or degrading the developer experience. Today's cyber threat landscape is rife with sophisticated attacks aimed at all different parts of the software supply.....

CVE-2024-35995

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Use access_width over bit_width for system memory accesses To align with ACPI 6.3+, since bit_width can be any 8-bit value, it cannot be depended on to be always on a clean 8b boundary. This was uncovered on the Cobalt....

CVE-2023-52856

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: lt8912b: Fix crash on bridge detach The lt8912b driver, in its bridge detach function, calls drm_connector_unregister() and drm_connector_cleanup(). drm_connector_unregister() should be called only for connectors...

CVE-2021-47220

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: core: fix kernel panic when do reboot When do system reboot, it calls dwc3_shutdown and the whole debugfs for dwc3 has removed first, when the gadget tries to do deinit, and remove debugfs for its endpoints, it meets...

CVE-2021-47222

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst refcnt when egressing The egress tunnel code uses dst_clone() and directly sets the result which is wrong because the entry might have 0 refcnt or be already deleted, causing number of problems. It....

CVE-2021-47247

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5e_rep_neigh_update() wasn't updated to accommodate rtnl lock removal from TC filter update path and properly handle concurrent encap entry...

CVE-2023-52750

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM's integrated assembler would incorrectly byte-swap NOP when compiling for big-endian, and the resulting series of bytes happened to...

CVE-2023-52771

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Fix delete_endpoint() vs parent unregistration race The CXL subsystem, at cxl_mem ->probe() time, establishes a lineage of ports (struct cxl_port objects) between an endpoint and the root of a CXL topology. Each port.....

SUSE SLES15 Security Update : kernel (Live Patch 37 for SLE 15 SP3) (SUSE-SU-2024:1696-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1696-1 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an...

CVE-2023-52808

In the Linux kernel, the following vulnerability has been resolved: scsi: hisi_sas: Set debugfs_dir pointer to NULL after removing debugfs If init debugfs failed during device registration due to memory allocation failure, debugfs_remove_recursive() is called, after which debugfs_dir is not set to....

CVE-2023-52701

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb->mark syzbot found arm64 builds would crash in sock_recv_mark() when CONFIG_HARDENED_USERCOPY=y x86 and powerpc are not detecting the issue because they define user_access_begin. This wil...

CVE-2023-52866

In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: Fix user-memory-access bug in uclogic_params_ugee_v2_init_event_hooks() When CONFIG_HID_UCLOGIC=y and CONFIG_KUNIT_ALL_TESTS=y, launch kernel and then the below user-memory-access bug occurs. In...

SUSE SLES15 Security Update : kernel RT (Live Patch 3 for SLE 15 SP5) (SUSE-SU-2024:1677-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1677-1 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an...

CVE-2021-47267

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadget panics on 10gbps cabling usb_assign_descriptors() is called with 5 parameters, the last 4 of which are the usb_descriptor_header for: full-speed (USB1.1 - 12Mbps [including USB1.0 low-speed @ 1.5Mbps),...

SUSE SLES15 Security Update : kernel RT (Live Patch 13 for SLE 15 SP5) (SUSE-SU-2024:1683-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1683-1 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an...

CVE-2021-47246

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix page reclaim for dead peer hairpin When adding a hairpin flow, a firmware-side send queue is created for the peer net device, which claims some host memory pages for its internal ring buffer. If the peer net device.....

CVE-2021-47338

In the Linux kernel, the following vulnerability has been resolved: fbmem: Do not delete the mode that is still in use The execution of fb_delete_videomode() is not based on the result of the previous fbcon_mode_deleted(). As a result, the mode is directly deleted, regardless of whether it is...

CVE-2023-52828

In the Linux kernel, the following vulnerability has been resolved: bpf: Detect IP == ksym.end as part of BPF program Now that bpf_throw kfunc is the first such call instruction that has noreturn semantics within the verifier, this also kicks in dead code elimination in unprecedented ways. For...

CVE-2023-52780

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: fix calls to page_pool_get_stats Calling page_pool_get_stats in the mvneta driver without checks leads to kernel crashes. First the page pool is only available if the bm is not used. The page pool is also not...

CVE-2023-52784

In the Linux kernel, the following vulnerability has been resolved: bonding: stop the device in bond_setup_by_slave() Commit 9eed321cde22 ("net: lapbether: only support ethernet devices") has been able to keep syzbot away from net/lapb, until today. In the following splat [1], the issue is that a.....

SUSE SLES15 Security Update : kernel RT (Live Patch 5 for SLE 15 SP5) (SUSE-SU-2024:1695-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1695-1 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an...

SUSE SLES15 Security Update : kernel RT (Live Patch 8 for SLE 15 SP5) (SUSE-SU-2024:1679-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1679-1 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an...

SUSE SLES15 Security Update : kernel RT (Live Patch 9 for SLE 15 SP5) (SUSE-SU-2024:1685-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1685-1 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an...

CVE-2021-47400

In the Linux kernel, the following vulnerability has been resolved: net: hns3: do not allow call hns3_nic_net_open repeatedly hns3_nic_net_open() is not allowed to called repeatly, but there is no checking for this. When doing device reset and setup tc concurrently, there is a small oppotunity to.....

CVE-2021-47430

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86_FEATURE_SMAP when CONFIG_X86_SMAP=n Commit 3c73b81a9164 ("x86/entry, selftests: Further improve user entry sanity checks") added a warning if AC is set when in the kernel. Commit 662a0221893a3d ("x86/entry:...

CVE-2021-47343

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign new_root only when removal succeeds remove_raw() in dm_btree_remove() may fail due to IO read error (e.g. read the content of origin block fails during shadowing), and the value of shadow_spine::root is...

CVE-2021-47363

In the Linux kernel, the following vulnerability has been resolved: nexthop: Fix division by zero while replacing a resilient group The resilient nexthop group torture tests in fib_nexthop.sh exposed a possible division by zero while replacing a resilient group [1]. The division by zero occurs...

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 following use-after-free when filter is deleted.....

CVE-2021-47269

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: ep0: fix NULL pointer exception There is no validation of the index from dwc3_wIndex_to_dep() and we might be referring a non-existing ep and trigger a NULL pointer exception. In certain configurations we might use...

K000139700: Linux kernel usbmon vulnerability CVE-2022-43750

Security Advisory Description drivers/usb/mon/mon_bin.c in usbmon in the Linux kernel before 5.19.15 and 6.x before 6.0.1 allows a user-space client to corrupt the monitor's internal memory. (CVE-2022-43750) Impact This vulnerability may allow an attacker with local access to gain improper...

CVE-2023-52782

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Track xmit submission to PTP WQ after populating metadata map Ensure the skb is available in metadata mapping to skbs before tracking the metadata index for detecting undelivered CQEs. If the metadata index is put in...

CVE-2023-52745

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to a....

Detecting and Visualizing Lateral Movement Attacks with Trellix XDR - Part 2

Detecting and Visualizing Lateral Movement Attacks with Trellix XDR - Part 2 By Chintan Shah, Maulik Maheta · May 21, 2024 Executive summary In the part 1 of this series we discussed in depth about the known Lateral movement attacks like abusing weak service permissions (T1574.011), NTDS.dit file.....

CVE-2021-47268

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthread_worker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2.....

SUSE SLES12 Security Update : kernel (Live Patch 54 for SLE 12 SP5) (SUSE-SU-2024:1694-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1694-1 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an...

SUSE SLES15 Security Update : kernel RT (Live Patch 10 for SLE 15 SP5) (SUSE-SU-2024:1682-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1682-1 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header If an...