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  4. CVE 2024 39509 hid core remove unnecessary warnon in implement
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2024-39509

HID: core: remove unnecessary WARN_ON() in implement()CVE-2024-39509

Answer in brief

CVE-2024-39509 records a Unknown severity vulnerability in HID: core: remove unnecessary WARN_ON() in implement(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 12, 2024Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=95d1c8951e5bd50bb89654a99a7012b1e75646bd <955b3764671f3f157215194972d9c01a3a4bd316 || >=95d1c8951e5bd50bb89654a99a7012b1e75646bd <f9db5fbeffb951cac3f0fb1c2eeffb79785399ca || >=95d1c8951e5bd50bb89654a99a7012b1e75646bd <33f6832798dd3297317901cc1db556ac3ae80c24 || >=95d1c8951e5bd50bb89654a99a7012b1e75646bd <8bac61934cd563b073cd30b8cf6d5c758ab5ab26 || >=95d1c8951e5bd50bb89654a99a7012b1e75646bd <bfd546fc7fd76076f81bf41b85b51ceda30949fd || >=95d1c8951e5bd50bb89654a99a7012b1e75646bd <30f76bc468b9b2cbbd5d3eb482661e3e4798893f || >=95d1c8951e5bd50bb89654a99a7012b1e75646bd <655c6de2f215b61d0708db6b06305eee9bbfeba2 || >=95d1c8951e5bd50bb89654a99a7012b1e75646bd <4aa2dcfbad538adf7becd0034a3754e1bd01b2b5955b3764671f3f157215194972d9c01a3a4bd316, f9db5fbeffb951cac3f0fb1c2eeffb79785399ca, 33f6832798dd3297317901cc1db556ac3ae80c24, 8bac61934cd563b073cd30b8cf6d5c758ab5ab26, bfd546fc7fd76076f81bf41b85b51ceda30949fd, 30f76bc468b9b2cbbd5d3eb482661e3e4798893f, 655c6de2f215b61d0708db6b06305eee9bbfeba2, 4aa2dcfbad538adf7becd0034a3754e1bd01b2b5
Linux/Linuxgeneric4.7Not reported
Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystemgeneric>=0 <V1.1.1V1.1.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux, Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem.
  2. 2Review the reported fix. Update Linux/Linux to 955b3764671f3f157215194972d9c01a3a4bd316; Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem to V1.1.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jul 12, 2024

    Evidence: source:cvelist:source_dates:source-dates:record
  2. Source modified

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • Source referencecert-portal.siemens.com
  • Source referencecert-portal.siemens.com
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: HID: core: remove unnecessary WARN_ON() in implement() Syzkaller hit a warning [1] in a call to implement() when trying to write a value into a field of smaller size in an output report. Since implement() already has a warn message printed out with the help of hid_warn() and value in question gets trimmed with: ... value &= m; ... WARN_ON may be considered superfluous. Remove it to suppress future syzkaller triggers. [1] WARNING: CPU: 0 PID: 5084 at drivers/hid/hid-core.c:1451 implement drivers/hid/hid-core.c:1451 [inline] WARNING: CPU: 0 PID: 5084 at drivers/hid/hid-core.c:1451 hid_output_report+0x548/0x760 drivers/hid/hid-core.c:1863 Modules linked in: CPU: 0 PID: 5084 Comm: syz-executor424 Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:implement drivers/hid/hid-core.c:1451 [inline] RIP: 0010:hid_output_report+0x548/0x760 drivers/hid/hid-core.c:1863 ... Call Trace: <TASK> __usbhid_submit_report drivers/hid/usbhid/hid-core.c:591 [inline] usbhid_submit_report+0x43d/0x9e0 drivers/hid/usbhid/hid-core.c:636 hiddev_ioctl+0x138b/0x1f00 drivers/hid/usbhid/hiddev.c:726 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f ...

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 15, 2026
References
11 linked sources
Open source record