{
  "cveId": "CVE-2026-31771",
  "url": "https://patchblox.com/security/cve/CVE-2026-31771",
  "summary": "CVE-2026-31771 is fixed in 17 products on 1 platform, first by DEBIAN-CVE-2026-31771, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Bluetooth: hci_event: move wake reason storage into validated event handlers",
  "description": "The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues\n\nThe following security issues were fixed:\n\n- CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs (bsc#1266290).\n- CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished delayed work (bsc#1255416).\n- CVE-2026-23392: netfilter: nf_tables: release flowtable after rcu grace period on error (bsc#1260531).\n- CVE-2026-31500: Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock (bsc#1262993).\n- CVE-2026-31697: crypto: ccp: Don\u0027t attempt to copy ID to userspace if PSP command failed (bsc#1264116).\n- CVE-2026-31698: crypto: ccp: Don\u0027t attempt to copy PDH cert to userspace if PSP command failed (bsc#1263880).\n- CVE-2026-31699: crypto: ccp: Don\u0027t attempt to copy CSR to userspace if PSP command failed (bsc#1263879).\n- CVE-2026-31759: usb: ulpi: fix double free in ulpi_register_interface() error path (bsc#1264076).\n- CVE-2026-31771: Bluetooth: hci_event: move wake reason storage into validated event handlers (bsc#1264145).\n- CVE-2026-43023: Bluetooth: SCO: fix race conditions in sco_sock_connect() (bsc#1264137).\n- CVE-2026-43074: eventpoll: defer struct eventpoll free to RCU grace period (bsc#1264263).\n- CVE-2026-43077: crypto: algif_aead - Fix minimum RX size check for decryption (bsc#1264470).\n- CVE-2026-43198: tcp: fix potential race in tcp_v6_syn_recv_sock() (bsc#1264610).\n- CVE-2026-45878: drm/amdkfd: Fix watch_id bounds checking in debug address watch v2 (bsc#1266767).\n- CVE-2026-45886: bpf: Fix bpf_xdp_store_bytes proto for read-only arg (bsc#1266810).\n- CVE-2026-45932: bpf: Fix tcx/netkit detach permissions when prog fd isn\u0027t given (bsc#1266827).\n- CVE-2026-45984: gfs2: Move the inode glock locking to gfs2_file_buffered_write (bsc#1267214).\n- CVE-2026-46037: ipv4: icmp: validate reply type before using icmp_pointers (bsc#1267361).\n- CVE-2026-46090: ALSA: aloop: Use guard() for spin locks (bsc#1267531).\n- CVE-2026-46120: ip6_gre: Use cached t-\u003Enet in ip6erspan_changelink() (bsc#1267640).\n- CVE-2026-46123: Bluetooth: virtio_bt: clamp rx length before skb_put (bsc#1267621).\n- CVE-2026-46150: fanotify: fix false positive on permission events (bsc#1267387).\n- CVE-2026-46159: btrfs: fix btrfs_ioctl_space_info() slot_count TOCTOU which can lead to info-leak (bsc#1267652).\n- CVE-2026-46197: drm/amdkfd: validate SVM ioctl nattr against buffer size (bsc#1267381).\n- CVE-2026-46209: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (bsc#1267663).\n- CVE-2026-46227: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (bsc#1267697).\n- CVE-2026-46273: ibmveth: Disable GSO for packets with small MSS (bsc#1265211 bsc#1267651).\n\nThe following non security issues were fixed:\n\n- bnxt_en: Fix NULL pointer dereference (bsc#1268307).\n- Drivers: hv: vmbus: Improve the logic of reserving fb_mmio on Gen2 VMs (git-fixes).\n- ethtool: provide customized dim profile management (bsc#1261256).\n- hv: utils: handle and propagate errors in kvp_register (git-fixes).\n- hyperv: Clean up and fix the guest ID comment in hvgdk.h (git-fixes).\n- linux/dim: move useful macros to .h file (bsc#1261256).\n- net: ethtool: add ethtool COALESCE_RX_CQE_FRAMES/NSECS (bsc#1261256).\n- net: mana: Add ethtool counters for RX CQEs in coalesced type (bsc#1261256).\n- net: mana: Add support for RX CQE Coalescing (bsc#1261256).",
  "published": "2026-05-01T15:16:40Z",
  "severity": "Important",
  "cvss": 8.1,
  "cvssVector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
  "epss": 0.0032,
  "epssPercentile": 0.25118,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31771",
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