CVE-2026-72352

Kernel memory access via wrapped HID-BPF range check

Published Aug 15, 2026 · Updated Aug 15, 2026

Integer overflow in Linux kernel HID-BPF handling allows local users to read or write outside the context buffer. The hid_bpf_get_data() helper adds an attacker-controlled unsigned offset and size before validating the sum against ctx->allocated_size, so wraparound returns an out-of-bounds pointer. Loading and attaching a crafted HID-BPF program requires low local privileges; resulting reads or writes can disclose kernel data, corrupt adjacent objects, or crash the host.

CVSS severity7.8
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Integer overflow in Linux kernel HID-BPF handling allows local users to read or write outside the context buffer. The hid_bpf_get_data() helper adds an attacker-controlled unsigned offset and size before validating the sum against ctx->allocated_size, so wraparound returns an out-of-bounds pointer. Loading and attaching a crafted HID-BPF program requires low local privileges; resulting reads or writes can disclose kernel data, corrupt adjacent objects, or crash the host.

The record

CVE
CVE-2026-72352
Published
Aug 15, 2026
Updated
Aug 15, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.3
  2. Affected versionversion=658ee5a64fcfbbf758447fa3af425729eaabb0dc <2d044049421dd48212b28646a850749d4a2d57fa
  3. Affected versionversion=658ee5a64fcfbbf758447fa3af425729eaabb0dc <61a959b82f1aecd6d2d35c208013dd077cac9d10
  4. Affected versionversion=658ee5a64fcfbbf758447fa3af425729eaabb0dc <ca373549140dfb386aa2de38364b58441b1f4885
  5. Affected versionversion=658ee5a64fcfbbf758447fa3af425729eaabb0dc <f81bc5a709dcbaf2a3bbef4ca7167f93900cc39f

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=6.3; version=658ee5a64fcfbbf758447fa3af425729eaabb0dc <2d044049421dd48212b28646a850749d4a2d57fa; version=658ee5a64fcfbbf758447fa3af425729eaabb0dc <61a959b82f1aecd6d2d35c208013dd077cac9d10; version=658ee5a64fcfbbf758447fa3af425729eaabb0dc <ca373549140dfb386aa2de38364b58441b1f4885; version=658ee5a64fcfbbf758447fa3af425729eaabb0dc <f81bc5a709dcbaf2a3bbef4ca7167f93900cc39f

Published CVSS scores

7.8LinuxCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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