Red Hat Security Advisory: kernel security update
This advisory addresses multiple moderate-severity vulnerabilities in the Linux kernel packages used by Red Hat Enterprise Linux 9. The issues include improper initialization of nexthop fields (CVE-2024-42283), a requirement for drivers to supply cache_invalidate_user operations (CVE-2024-46824), and a use-after-free vulnerability in the multipath TCP timer deletion function (CVE-2024-46858). Red Hat has released updated kernel packages to fix these vulnerabilities. A system reboot is required to apply the updates effectively.
AI Analysis
Technical Summary
Red Hat Product Security issued an advisory (RHSA-2024:9605) for kernel security updates in Red Hat Enterprise Linux 9 addressing three vulnerabilities: CVE-2024-42283 fixes uninitialized fields in dumped nexthops to prevent potential issues from improper data handling; CVE-2024-46824 enforces that drivers supply the cache_invalidate_user operations to maintain proper cache invalidation behavior; CVE-2024-46858 resolves a use-after-free (UAF) bug in the multipath TCP power management timer deletion function (__timer_delete_sync). These fixes mitigate risks related to memory safety and kernel stability. The advisory rates the impact as moderate and recommends applying the updated kernel packages followed by a system reboot.
Potential Impact
The vulnerabilities affect the Linux kernel core in Red Hat Enterprise Linux 9, potentially leading to memory safety issues such as use-after-free and uninitialized data usage. These could cause system instability or crashes. No known exploits in the wild have been reported. The impact is rated moderate by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the security update RHSA-2024:9605 for Red Hat Enterprise Linux 9 as soon as possible. A system reboot is required for the update to take effect. Refer to Red Hat's official update instructions at https://access.redhat.com/articles/11258 for detailed guidance.
Red Hat Security Advisory: kernel security update
Description
This advisory addresses multiple moderate-severity vulnerabilities in the Linux kernel packages used by Red Hat Enterprise Linux 9. The issues include improper initialization of nexthop fields (CVE-2024-42283), a requirement for drivers to supply cache_invalidate_user operations (CVE-2024-46824), and a use-after-free vulnerability in the multipath TCP timer deletion function (CVE-2024-46858). Red Hat has released updated kernel packages to fix these vulnerabilities. A system reboot is required to apply the updates effectively.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Red Hat Product Security issued an advisory (RHSA-2024:9605) for kernel security updates in Red Hat Enterprise Linux 9 addressing three vulnerabilities: CVE-2024-42283 fixes uninitialized fields in dumped nexthops to prevent potential issues from improper data handling; CVE-2024-46824 enforces that drivers supply the cache_invalidate_user operations to maintain proper cache invalidation behavior; CVE-2024-46858 resolves a use-after-free (UAF) bug in the multipath TCP power management timer deletion function (__timer_delete_sync). These fixes mitigate risks related to memory safety and kernel stability. The advisory rates the impact as moderate and recommends applying the updated kernel packages followed by a system reboot.
Potential Impact
The vulnerabilities affect the Linux kernel core in Red Hat Enterprise Linux 9, potentially leading to memory safety issues such as use-after-free and uninitialized data usage. These could cause system instability or crashes. No known exploits in the wild have been reported. The impact is rated moderate by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the security update RHSA-2024:9605 for Red Hat Enterprise Linux 9 as soon as possible. A system reboot is required for the update to take effect. Refer to Red Hat's official update instructions at https://access.redhat.com/articles/11258 for detailed guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:9605
- Cve Count
- 3
- Additional Cves
- ["CVE-2024-46824","CVE-2024-46858"]
Threat ID: 6a3da1eb4853345fc1830277
Added to database: 06/25/2026, 21:47:23 UTC
Last enriched: 06/25/2026, 22:38:53 UTC
Last updated: 09/10/2026, 19:24:54 UTC
Views: 39
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