Red Hat Security Advisory: kernel-rt security update
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: wifi: rtw89: Fix array index mistake in rtw89_sta_info_get_iter() (CVE-2024-43842) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
The vulnerability CVE-2024-43842 involves an array index error in the rtw89_sta_info_get_iter() function within the kernel-rt package, which provides the Real Time Linux Kernel. This flaw could potentially lead to improper handling of array indices in the wifi driver component (rtw89). Red Hat has issued a security advisory (RHSA-2025:8247) that includes an update to fix this issue. The advisory covers Red Hat Enterprise Linux for Real Time 8 and related products. No CVSS score is provided in the advisory, but the severity is rated as moderate by Red Hat Product Security.
Potential Impact
The impact is rated as moderate by Red Hat Product Security. The vulnerability involves an array index mistake which could lead to potential instability or unintended behavior in the wifi driver subsystem of the Real Time Linux Kernel. No known exploits in the wild have been reported. The advisory does not specify further impact details or exploitation scenarios.
Mitigation Recommendations
Red Hat has released an updated kernel-rt package that fixes the vulnerability. Users should apply the update as described in the Red Hat advisory RHSA-2025:8247 and reboot affected systems for the update to take effect. The advisory provides detailed instructions for applying the update. No additional mitigations are indicated or required beyond applying the official update.
Red Hat Security Advisory: kernel-rt security update
Description
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: wifi: rtw89: Fix array index mistake in rtw89_sta_info_get_iter() (CVE-2024-43842) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
pkg:rpm/redhat/kernel-rtRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2024-43842 involves an array index error in the rtw89_sta_info_get_iter() function within the kernel-rt package, which provides the Real Time Linux Kernel. This flaw could potentially lead to improper handling of array indices in the wifi driver component (rtw89). Red Hat has issued a security advisory (RHSA-2025:8247) that includes an update to fix this issue. The advisory covers Red Hat Enterprise Linux for Real Time 8 and related products. No CVSS score is provided in the advisory, but the severity is rated as moderate by Red Hat Product Security.
Potential Impact
The impact is rated as moderate by Red Hat Product Security. The vulnerability involves an array index mistake which could lead to potential instability or unintended behavior in the wifi driver subsystem of the Real Time Linux Kernel. No known exploits in the wild have been reported. The advisory does not specify further impact details or exploitation scenarios.
Mitigation Recommendations
Red Hat has released an updated kernel-rt package that fixes the vulnerability. Users should apply the update as described in the Red Hat advisory RHSA-2025:8247 and reboot affected systems for the update to take effect. The advisory provides detailed instructions for applying the update. No additional mitigations are indicated or required beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:8247
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-38234"]
Threat ID: 6a3da1d04853345fc1824c04
Added to database: 06/25/2026, 21:46:56 UTC
Last enriched: 06/25/2026, 22:08:57 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 37
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.