CVE-2022-49766

Root has patched CVE-2022-49766 in the linux package for Root:Ubuntu:22.04. Multiple fixed versions available.

In the Linux kernel, the following vulnerability has been resolved: netlink: Bounds-check struct nlmsgerr creation In preparation for FORTIFY_SOURCE doing bounds-check on memcpy(), switch from __nlmsg_put to nlmsg_put(), and explain the bounds check for dealing with the memcpy() across a composite flexible array struct. Avoids this future run-time warning: memcpy: detected field-spanning write (size 32) of single field "&errmsg->msg" at net/netlink/af_netlink.c:2447 (size 16)

In the Linux kernel, the following vulnerability has been resolved:

netlink: Bounds-check struct nlmsgerr creation

In preparation for FORTIFY_SOURCE doing bounds-check on memcpy(), switch from __nlmsg_put to nlmsg_put(), and explain the bounds check for dealing with the memcpy() across a composite flexible array struct. Avoids this future run-time warning:

memcpy: detected field-spanning write (size 32) of single field "&errmsg->msg" at net/netlink/af_netlink.c:2447 (size 16)

• gpiolib: cdev: Set lineevent_state::irq after IRQ register successfully {CVE-2022-48660}
• ipv4: check for NULL idev in ip_route_use_hint() {CVE-2024-36008}
• KEYS: trusted: Do not use WARN when encode fails {CVE-2024-36975}
• Fix userfaultfd_api to return EINVAL as expected {CVE-2024-41027}
• xhci: Fix null pointer dereference when host dies {CVE-2023-52898}
• sctp: sysctl: auth_enable: avoid using current->nsproxy {CVE-2025-21638}
• blk-mq: fix IO hang from sbitmap wakeup race {CVE-2024-26671}
• net: openvswitch: fix flow memory leak in ovs_flow_cmd_new {CVE-2023-52977}
• gpiolib: fix memory leak in gpiochip_setup_dev() {CVE-2022-48975}
• HID: betop: check shape of output reports {CVE-2023-53015}
• mm/swapfile: add cond_resched() in get_swap_pages() {CVE-2023-52932}
• HV: hv_balloon: fix memory leak with using debugfs_lookup() {CVE-2023-52937}
• drm/i915: Fix a memory leak with reused mmap_offset {CVE-2023-53002}
• ptdma: pt_core_execute_cmd() should use spinlock {CVE-2023-53013}
• RDMA/core: Fix ib block iterator counter overflow {CVE-2023-53026}
• Bluetooth: hci_conn: Fix memory leaks {CVE-2023-53018}
• scsi: target: pscsi: Fix bio_put() for error case {CVE-2024-26760}
• sctp: Prevent TOCTOU out-of-bounds write {CVE-2025-40331}
• pnfs/flexfiles: Fix memory leak in nfs4_ff_alloc_deviceid_node() {CVE-2026-23038}
• cpufreq: intel_pstate: Fix object lifecycle issue in update_qos_request() {CVE-2025-40194}
• ALSA: hda/cs8409: Fix possible NULL dereference {CVE-2024-50160}
• nbd: don't allow reconnect after disconnect {CVE-2025-21731}
• openvswitch: fix lockup on tx to unregistering netdev with carrier {CVE-2025-21681}
• ext4: detect invalid INLINE_DATA + EXTENTS flag combination {CVE-2025-40167}
• ext4: xattr: fix null pointer deref in ext4_raw_inode() {CVE-2025-68820}
• net: fix memory leak in skb_segment_list for GRO packets {CVE-2026-22979}
• wifi: brcmfmac: fix crash while sending Action Frames in standalone AP Mode {CVE-2025-40321}
• ipvs: fix ipv4 null-ptr-deref in route error path {CVE-2025-68813}
• ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping {CVE-2025-40121}
• i40e: Fix macvlan leak by synchronizing access to mac_filter_hash {CVE-2024-50041}
• net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc() {CVE-2024-50000}
• bpf: Fix reference count leak in bpf_prog_test_run_xdp() {CVE-2026-22994}
• xsk: check IFF_UP earlier in Tx path {CVE-2023-53240}
• firmware: cs_dsp: Prevent buffer overrun when processing V2 alg headers {CVE-2024-41038}
• virtgpu: don't reset on shutdown {CVE-2025-38064}
• xen/netfront: fix crash when removing device {CVE-2022-48969}
• mptcp: do not fallback when OoO is present {CVE-2024-50185}
• can: j1939: add missing calls in NETDEV_UNREGISTER notification handler {CVE-2025-39925}
• netfilter: nf_tables: remove redundant chain validation on register store {CVE-2025-71160}
• xfs: fix use-after-free in xattr node block inactivation {CVE-2026-43053}
• ext4: fix racy may inline data check in dio write {CVE-2023-52786}
• drm/amdgpu/fence: Fix oops due to non-matching drm_sched init/fini {CVE-2023-52738}
• macsec: fix UAF bug for real_dev {CVE-2022-49390}
• drm/i915/gem: Fix Virtual Memory mapping boundaries calculation {CVE-2024-42259}
• mm/shmem: disable PMD-sized page cache if needed {CVE-2024-42241}
• driver: iio: add missing checks on iio_info's callback access {CVE-2024-46715}
• udmabuf: fix memory leak on last export_udmabuf() error path {CVE-2024-56712}
• ALSA: control: Avoid WARN() for symlink errors {CVE-2024-56657}
• mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM {CVE-2024-56611}
• eth: bnxt: always recalculate features after XDP clearing, fix null-deref {CVE-2025-21682}
• net: annotate data-races around sk->sk_{data_ready,write_space} {CVE-2026-23302}
• udmabuf: change folios array from kmalloc to kvmalloc {CVE-2024-56544}
• RDMA/mlx5: Move events notifier registration to be after device registration {CVE-2024-53224}
• dlm: fix possible lkb_resource…

In the Linux kernel, the following vulnerability has been resolved:

netlink: Bounds-check struct nlmsgerr creation

In preparation for FORTIFY_SOURCE doing bounds-check on memcpy(), switch from __nlmsg_put to nlmsg_put(), and explain the bounds check for dealing with the memcpy() across a composite flexible array struct. Avoids this future run-time warning:

memcpy: detected field-spanning write (size 32) of single field "&errmsg->msg" at net/netlink/af_netlink.c:2447 (size 16)