CVE-2026-31670— Linux kernel 安全漏洞
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 18
| ベンダー | プロダクト | Version Range | ステータス |
|---|---|---|---|
| Linux | Linux | c64fb01627e24725d1f9d535e4426475a4415753< 4bcd1615a4e2a185ae9edd27b4143d7dfa7134f4 | affected |
c64fb01627e24725d1f9d535e4426475a4415753< b1e0c8d3ab58a0161db487bf5fc47adfcaf5d5ca | affected | ||
c64fb01627e24725d1f9d535e4426475a4415753< e3842779547c83150569071d9980517cc9029fc0 | affected | ||
c64fb01627e24725d1f9d535e4426475a4415753< 673d2a3eef6e0ee9736501a150c9e4024a4e60a6 | affected | ||
c64fb01627e24725d1f9d535e4426475a4415753< 82843afc19012a29ba863961ef494165aa1a88f4 | affected | ||
c64fb01627e24725d1f9d535e4426475a4415753< a8c26800e0220e1550af012f5a20e50f5c78864d | affected | ||
c64fb01627e24725d1f9d535e4426475a4415753< 80ce4cb026f0a4c4532b6cad827b44debda6256a | affected | ||
c64fb01627e24725d1f9d535e4426475a4415753< ea245d78dec594372e27d8c79616baf49e98a4a1 | affected | ||
| … +10 more rows | |||
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I. CVE-2026-31670の基本情報
脆弱性情報
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脆弱性タイトル
net: rfkill: prevent unlimited numbers of rfkill events from being created
ソース: CVE Program / CVE List V5
脆弱性説明
In the Linux kernel, the following vulnerability has been resolved: net: rfkill: prevent unlimited numbers of rfkill events from being created Userspace can create an unlimited number of rfkill events if the system is so configured, while not consuming them from the rfkill file descriptor, causing a potential out of memory situation. Prevent this from bounding the number of pending rfkill events at a "large" number (i.e. 1000) to prevent abuses like this.
ソース: CVE Program / CVE List V5
CVSS情報
N/A
ソース: CVE Program / CVE List V5
脆弱性タイプ
N/A
ソース: CVE Program / CVE List V5
脆弱性タイトル
Linux kernel 安全漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未限制rfkill事件数量，可能导致用户空间创建无限事件造成内存耗尽。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
II. CVE-2026-31670の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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Same Patch Batch · Linux · 2026-04-24 · 138 CVEs total
| CVE-2026-31609 | 9.8 CRITICAL | smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush() |
| CVE-2026-31608 | 9.8 CRITICAL | smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list |
| CVE-2026-31607 | 9.8 CRITICAL | usbip: validate number_of_packets in usbip_pack_ret_submit() |
| CVE-2026-31669 | 9.8 CRITICAL | mptcp: fix slab-use-after-free in __inet_lookup_established |
| CVE-2026-31668 | 9.8 CRITICAL | seg6: separate dst_cache for input and output paths in seg6 lwtunnel |
| CVE-2026-31536 | 9.8 CRITICAL | smb: server: let send_done handle a completion without IB_SEND_SIGNALED |
| CVE-2026-31657 | 9.8 CRITICAL | batman-adv: hold claim backbone gateways by reference |
| CVE-2026-31633 | 9.8 CRITICAL | rxrpc: Fix integer overflow in rxgk_verify_response() |
| CVE-2026-31637 | 9.8 CRITICAL | rxrpc: reject undecryptable rxkad response tickets |
| CVE-2026-31649 | 9.8 CRITICAL | net: stmmac: fix integer underflow in chain mode |
| CVE-2026-31589 | 9.8 CRITICAL | mm: call ->free_folio() directly in folio_unmap_invalidate() |
| CVE-2026-31659 | 9.8 CRITICAL | batman-adv: reject oversized global TT response buffers |
| CVE-2026-31636 | 9.1 CRITICAL | rxrpc: fix RESPONSE authenticator parser OOB read |
| CVE-2026-31622 | 8.8 HIGH | NFC: digital: Bounds check NFC-A cascade depth in SDD response handler |
| CVE-2026-31558 | 8.8 HIGH | LoongArch: KVM: Make kvm_get_vcpu_by_cpuid() more robust |
| CVE-2026-31553 | 8.8 HIGH | KVM: arm64: Fix the descriptor address in __kvm_at_swap_desc() |
| CVE-2026-31588 | 8.8 HIGH | KVM: x86: Use scratch field in MMIO fragment to hold small write values |
| CVE-2026-31570 | 8.8 HIGH | can: gw: fix OOB heap access in cgw_csum_crc8_rel() |
| CVE-2026-31629 | 8.8 HIGH | nfc: llcp: add missing return after LLCP_CLOSED checks |
| CVE-2026-31611 | 8.6 HIGH | ksmbd: require 3 sub-authorities before reading sub_auth[2] |
Showing 20 of 138 CVEs. View all on vendor page →
IV. 関連脆弱性
同じ製品: Linux
- CVE-2026-64556
perf/core: Detach event groups during remove_on_exec - CVE-2026-64557
Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_conne - CVE-2026-64554
netfilter: bridge: fix stale prevhdr pointer in br_ip6_fragm - CVE-2026-64555
KVM: arm64: nv: Fix SPSR_EL2 restore in kvm_hyp_handle_mops( - CVE-2026-64552
virtio-net: fix len check in receive_big()
同じベンダー: Linux
- CVE-2026-64556
perf/core: Detach event groups during remove_on_exec - CVE-2026-64557
Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_conne - CVE-2026-64554
netfilter: bridge: fix stale prevhdr pointer in br_ip6_fragm - CVE-2026-64555
KVM: arm64: nv: Fix SPSR_EL2 restore in kvm_hyp_handle_mops( - CVE-2026-64552
virtio-net: fix len check in receive_big()
V. CVE-2026-31670へのコメント
まだコメントはありません