Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Red Hat has issued a security advisory for the Linux kernel packages in Red Hat Enterprise Linux 8 addressing two vulnerabilities: CVE-2026-46117 and CVE-2026-53071. The first vulnerability involves a user-triggerable WARN_ON() in the RDMA mana driver, and the second involves a missing channel lock in the Bluetooth l2cap component. The update also includes bug fixes and enhancements. Systems must be rebooted after applying the update for the fixes to take effect.
AI Analysis
Technical Summary
The advisory covers two security fixes in the Linux kernel for Red Hat Enterprise Linux 8: CVE-2026-46117 removes a user-triggerable WARN_ON() in the mana_ib_create_qp_rss() function related to RDMA/mana, and CVE-2026-53071 adds a missing channel lock in the Bluetooth l2cap_ecred_reconf_rsp function. These fixes address potential stability and security concerns in kernel components. The update also resolves a kernel deadlock issue related to lock order in vmd_pci_write. The advisory is rated as Important by Red Hat Product Security and applies to multiple Red Hat Enterprise Linux 8 variants and architectures.
Potential Impact
The vulnerabilities could lead to kernel instability or unexpected behavior due to improper locking and user-triggerable warnings in kernel subsystems. While no known exploits are reported in the wild, these issues may affect system reliability and security posture if left unpatched.
Mitigation Recommendations
Red Hat has released an updated kernel package for Red Hat Enterprise Linux 8 that addresses these vulnerabilities. Users should apply the update as described in the Red Hat advisory RHSA-2026:42552 and reboot their systems to ensure the fixes take effect. Patch status is confirmed as an official fix available from Red Hat.
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Description
Red Hat has issued a security advisory for the Linux kernel packages in Red Hat Enterprise Linux 8 addressing two vulnerabilities: CVE-2026-46117 and CVE-2026-53071. The first vulnerability involves a user-triggerable WARN_ON() in the RDMA mana driver, and the second involves a missing channel lock in the Bluetooth l2cap component. The update also includes bug fixes and enhancements. Systems must be rebooted after applying the update for the fixes to take effect.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The advisory covers two security fixes in the Linux kernel for Red Hat Enterprise Linux 8: CVE-2026-46117 removes a user-triggerable WARN_ON() in the mana_ib_create_qp_rss() function related to RDMA/mana, and CVE-2026-53071 adds a missing channel lock in the Bluetooth l2cap_ecred_reconf_rsp function. These fixes address potential stability and security concerns in kernel components. The update also resolves a kernel deadlock issue related to lock order in vmd_pci_write. The advisory is rated as Important by Red Hat Product Security and applies to multiple Red Hat Enterprise Linux 8 variants and architectures.
Potential Impact
The vulnerabilities could lead to kernel instability or unexpected behavior due to improper locking and user-triggerable warnings in kernel subsystems. While no known exploits are reported in the wild, these issues may affect system reliability and security posture if left unpatched.
Mitigation Recommendations
Red Hat has released an updated kernel package for Red Hat Enterprise Linux 8 that addresses these vulnerabilities. Users should apply the update as described in the Red Hat advisory RHSA-2026:42552 and reboot their systems to ensure the fixes take effect. Patch status is confirmed as an official fix available from Red Hat.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:42552
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-53071"]
- Cvss Version
- null
Threat ID: 6a600ab59c2644c7f8fe2102
Added to database: 07/22/2026, 00:11:33 UTC
Last enriched: 07/22/2026, 00:47:31 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 11
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