Red Hat Security Advisory: kernel security, bug fix, and enhancement update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling (CVE-2026-22979) * kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499) * kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086) * kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016) * kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166) Bug Fix(es) and Enhancement(s): * Kernel panic very early during boot while reading a tracefs file (available_filter_functions) due to invalid module name pointer [9.8.z] (JIRA:RHEL-183236) 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.
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling (CVE-2026-22979) * kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499) * kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086) * kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016) * kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166) Bug Fix(es) and Enhancement(s): * Kernel panic very early during boot while reading a tracefs file (available_filter_functions) due to invalid module name pointer [9.8.z] (JIRA:RHEL-183236) 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
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:38491
- Cve Count
- 5
- Additional Cves
- ["CVE-2026-43499","CVE-2026-46086","CVE-2026-53016","CVE-2026-53166"]
Threat ID: 6a55ff5568715ace432f07b5
Added to database: 07/14/2026, 09:20:21 UTC
Last enriched: 07/14/2026, 09:28:37 UTC
Last updated: 09/10/2026, 18:12:28 UTC
Views: 93
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