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CVE-2026-31625— HID: alps: fix NULL pointer dereference in alps_raw_event()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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alps_raw_event中未检查输入声明，可能导致空指针解引用。

AI Predicted 5.5 Difficulty: Easy EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 73196ebe134d11a68a2e27814c489d685cfc8b03< 56850666bb5dcf7a13d76c5d02864813e17ee537 affected
73196ebe134d11a68a2e27814c489d685cfc8b03< 72516a8d7fe247fd895424bab87952f105a0c255 affected
73196ebe134d11a68a2e27814c489d685cfc8b03< cc411e4823d8bfa23327d9989a0fa4e0ce76aebe affected
73196ebe134d11a68a2e27814c489d685cfc8b03< c8cc765253ad89ccc106a7bdeb5aeac6cf963078 affected
73196ebe134d11a68a2e27814c489d685cfc8b03< 8eed7bce7a4c41ab28ee4891103623a12fd41611 affected
73196ebe134d11a68a2e27814c489d685cfc8b03< 0091dfa542a362c178a7e9393097138a57d327d1 affected
73196ebe134d11a68a2e27814c489d685cfc8b03< 4b618248d2307a219d9431a730cfe1156c8e3386 affected
73196ebe134d11a68a2e27814c489d685cfc8b03< ee2cb3ddfdca949dbc0c3f796ed5a439f0efc9f6 affected
… +12 more rows
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I. Basic Information for CVE-2026-31625

Vulnerability Information
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Vulnerability Title
HID: alps: fix NULL pointer dereference in alps_raw_event()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: HID: alps: fix NULL pointer dereference in alps_raw_event() Commit ecfa6f34492c ("HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them") attempted to fix up the HID drivers that had missed the previous fix that was done in 2ff5baa9b527 ("HID: appleir: Fix potential NULL dereference at raw event handle"), but the alps driver was missed. Fix this up by properly checking in the hid-alps driver that it had been claimed correctly before attempting to process the raw event.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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alps_raw_event中未检查输入声明，可能导致空指针解引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 73196ebe134d11a68a2e27814c489d685cfc8b03 ~ 56850666bb5dcf7a13d76c5d02864813e17ee537 -
Linux Linux 4.15 -

II. Public POCs for CVE-2026-31625

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III. Intelligence Information for CVE-2026-31625

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Patches & Fixes for CVE-2026-31625 (4)

Other References for CVE-2026-31625 (1)

Same Patch Batch · Linux · 2026-04-24 · 138 CVEs total

CVE-2026-31649 9.8 CRITICAL net: stmmac: fix integer underflow in chain mode
CVE-2026-31607 9.8 CRITICAL usbip: validate number_of_packets in usbip_pack_ret_submit()
CVE-2026-31633 9.8 CRITICAL rxrpc: Fix integer overflow in rxgk_verify_response()
CVE-2026-31608 9.8 CRITICAL smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list
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-2026-31589 9.8 CRITICAL mm: call ->free_folio() directly in folio_unmap_invalidate()
CVE-2026-31609 9.8 CRITICAL smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush()
CVE-2026-31536 9.8 CRITICAL smb: server: let send_done handle a completion without IB_SEND_SIGNALED
CVE-2026-31637 9.8 CRITICAL rxrpc: reject undecryptable rxkad response tickets
CVE-2026-31657 9.8 CRITICAL batman-adv: hold claim backbone gateways by reference
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-2026-31629 8.8 HIGH nfc: llcp: add missing return after LLCP_CLOSED checks
CVE-2026-31570 8.8 HIGH can: gw: fix OOB heap access in cgw_csum_crc8_rel()
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-2026-31611 8.6 HIGH ksmbd: require 3 sub-authorities before reading sub_auth[2]

Showing top 20 of 138 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-31625

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