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  4. CVE 2024 42097 alsa emux improve patch ioctl data validation
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Back to active CVEs
High · CVSS 7.8CVE-2024-42097

ALSA: emux: improve patch ioctl data validationCVE-2024-42097

Answer in brief

CVE-2024-42097 records a High severity (CVSS 7.8) vulnerability in ALSA: emux: improve patch ioctl data validation. 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), 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 29, 2024Updated Oct 15, 2026Source checked Nov 6, 2026First seen by HOL Aug 5, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
5 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.8. 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), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <40d7def67841343c10f8642a41031fecbb248bab || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <79d9a000f0220cdaba1682d2a23c0d0c61d620a3 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d23982ea9aa438f35a8c8a6305943e98a8db90f6 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <7a18293fd8d8519c2f7a03753bc1583b18e3db69 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d0ff2443fcbb472206d45a5d2a90cc694065804e || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d8f5ce3cb9adf0c72e2ad6089aba02d7a32469c2 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <87039b83fb7bfd7d0e0499aaa8e6c049906b4d14 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <89b32ccb12ae67e630c6453d778ec30a592a212f40d7def67841343c10f8642a41031fecbb248bab, 79d9a000f0220cdaba1682d2a23c0d0c61d620a3, d23982ea9aa438f35a8c8a6305943e98a8db90f6, 7a18293fd8d8519c2f7a03753bc1583b18e3db69, d0ff2443fcbb472206d45a5d2a90cc694065804e, d8f5ce3cb9adf0c72e2ad6089aba02d7a32469c2, 87039b83fb7bfd7d0e0499aaa8e6c049906b4d14, 89b32ccb12ae67e630c6453d778ec30a592a212f
Linux/Linuxgeneric2.6.12Not reported
Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystemgeneric>=0 <**
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 40d7def67841343c10f8642a41031fecbb248bab; Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem to *; 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 29, 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

    Aug 5, 2026

Sources and claim methodology

  • 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: ALSA: emux: improve patch ioctl data validation In load_data(), make the validation of and skipping over the main info block match that in load_guspatch(). In load_guspatch(), add checking that the specified patch length matches the actually supplied data, like load_data() already did.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
NVD-CWE-noinfo
Source
CVE List V5
Source checked
Nov 6, 2026
References
10 linked sources
Open source record