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Back to active CVEs
Medium · CVSS 5.5CVE-2024-35940

pstore/zone: Add a null pointer check to the psz_kmsg_readCVE-2024-35940

Answer in brief

CVE-2024-35940 records a Medium severity (CVSS 5.5) vulnerability in pstore/zone: Add a null pointer check to the psz_kmsg_read. 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 May 19, 2024Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.5
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.5. 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>=d26c3321fe18dc74517dc1f518d584aa33b0a851 <98e2b97acb875d65bdfc75fc408e67975cef3041 || >=d26c3321fe18dc74517dc1f518d584aa33b0a851 <0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bb || >=d26c3321fe18dc74517dc1f518d584aa33b0a851 <635594cca59f9d7a8e96187600c34facb8bc0682 || >=d26c3321fe18dc74517dc1f518d584aa33b0a851 <ec7256887d072f98c42cdbef4dcc80ddf84c7a70 || >=d26c3321fe18dc74517dc1f518d584aa33b0a851 <6f9f2e498eae7897ba5d3e33908917f68ff4abcc || >=d26c3321fe18dc74517dc1f518d584aa33b0a851 <98bc7e26e14fbb26a6abf97603d59532475e97f898e2b97acb875d65bdfc75fc408e67975cef3041, 0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bb, 635594cca59f9d7a8e96187600c34facb8bc0682, ec7256887d072f98c42cdbef4dcc80ddf84c7a70, 6f9f2e498eae7897ba5d3e33908917f68ff4abcc, 98bc7e26e14fbb26a6abf97603d59532475e97f8
Linux/Linuxgeneric5.8Not 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 98e2b97acb875d65bdfc75fc408e67975cef3041; 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

    May 19, 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 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: pstore/zone: Add a null pointer check to the psz_kmsg_read kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-476
Source
CVE List V5
Source checked
Oct 15, 2026
References
8 linked sources
Open source record