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  4. CVE 2024 43879 wifi cfg80211 handle 2x996 ru allocation in
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2024-43879

wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he()CVE-2024-43879

Answer in brief

CVE-2024-43879 records a Unknown severity vulnerability in wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he(). 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 Aug 21, 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>=c4cbaf7973a794839af080f13748335976cf3f3f <45d20a1c54be4f3173862c7b950d4468447814c9 || >=c4cbaf7973a794839af080f13748335976cf3f3f <b289ebb0516526cb4abae081b7ec29fd4fa1209d || >=c4cbaf7973a794839af080f13748335976cf3f3f <2e201b3d162c6c49417c438ffb30b58c9f85769f || >=c4cbaf7973a794839af080f13748335976cf3f3f <576c64622649f3ec07e97bac8fec8b8a2ef4d086 || >=c4cbaf7973a794839af080f13748335976cf3f3f <16ad67e73309db0c20cc2a651992bd01c05e6b27 || >=c4cbaf7973a794839af080f13748335976cf3f3f <67b5f1054197e4f5553047759c15c1d67d4c8142 || >=c4cbaf7973a794839af080f13748335976cf3f3f <19eaf4f2f5a981f55a265242ada2bf92b0c742dd || >=c4cbaf7973a794839af080f13748335976cf3f3f <bcbd771cd5d68c0c52567556097d75f9fc4e7cd645d20a1c54be4f3173862c7b950d4468447814c9, b289ebb0516526cb4abae081b7ec29fd4fa1209d, 2e201b3d162c6c49417c438ffb30b58c9f85769f, 576c64622649f3ec07e97bac8fec8b8a2ef4d086, 16ad67e73309db0c20cc2a651992bd01c05e6b27, 67b5f1054197e4f5553047759c15c1d67d4c8142, 19eaf4f2f5a981f55a265242ada2bf92b0c742dd, bcbd771cd5d68c0c52567556097d75f9fc4e7cd6
Linux/Linuxgeneric4.19Not 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 45d20a1c54be4f3173862c7b950d4468447814c9; 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

    Aug 21, 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
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he() Currently NL80211_RATE_INFO_HE_RU_ALLOC_2x996 is not handled in cfg80211_calculate_bitrate_he(), leading to below warning: kernel: invalid HE MCS: bw:6, ru:6 kernel: WARNING: CPU: 0 PID: 2312 at net/wireless/util.c:1501 cfg80211_calculate_bitrate_he+0x22b/0x270 [cfg80211] Fix it by handling 2x996 RU allocation in the same way as 160 MHz bandwidth.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • SODOLA SL902-SWTGW124AS Buffer Overflow DoS via Multipart Boundary ParserSame generic ecosystem
  • Ellucian WebAdvisor 3.2 Unauthenticated XXE InjectionSame generic ecosystem
  • sgl-project SGLang generate Endpoint io_struct.py denial of serviceSame generic ecosystem
  • sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of serviceSame generic ecosystem
  • ggml-org whisper.cpp Model Loader whisper_model_load out-of-boundsSame generic ecosystem
  • FreeRDP shadow before 3.32.0 Pre-Authentication Input Injection via Confirm Active bypassSame generic ecosystem

Record context

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