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ALSA-2026:38491 Not scored

Important: 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:AlmaLinux-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.

Exploit probability Not scored
Published July 13, 2026
Required by Not available
Last source change July 13, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 kernel-rt-64k-devel
AlmaLinux:9 kernel-uki-virt-addons
AlmaLinux:9 kernel-64k-debug-devel
AlmaLinux:9 kernel-debug-modules-core
AlmaLinux:9 kernel-headers
AlmaLinux:9 kernel-rt-64k-modules-extra
AlmaLinux:9 kernel-rt-modules-extra
AlmaLinux:9 kernel-rt-debug-devel
AlmaLinux:9 kernel-64k-modules-core
AlmaLinux:9 kernel-rt-64k-modules-core
AlmaLinux:9 kernel-debug-modules-extra
AlmaLinux:9 python3-perf
AlmaLinux:9 kernel-rt-64k-debug-modules-extra
AlmaLinux:9 kernel-rt-64k-core
AlmaLinux:9 kernel-debug-devel
AlmaLinux:9 kernel-rt-debug-modules-extra
AlmaLinux:9 kernel-core
AlmaLinux:9 kernel-rt-64k-modules
AlmaLinux:9 kernel-64k-debug-modules-core
AlmaLinux:9 kernel-rt-64k-debug-devel
AlmaLinux:9 kernel-devel
AlmaLinux:9 kernel-64k-debug
AlmaLinux:9 kernel-zfcpdump-devel-matched
AlmaLinux:9 kernel-cross-headers
AlmaLinux:9 kernel-doc
AlmaLinux:9 kernel-abi-stablelists
AlmaLinux:9 rtla
AlmaLinux:9 kernel-zfcpdump-modules-extra
AlmaLinux:9 kernel-rt-devel
AlmaLinux:9 kernel-tools
AlmaLinux:9 kernel-rt-64k-debug
AlmaLinux:9 kernel-rt-debug-core
AlmaLinux:9 kernel-modules-core
AlmaLinux:9 kernel-64k-debug-core
AlmaLinux:9 kernel-rt-64k-debug-modules-core
AlmaLinux:9 kernel-64k-debug-modules-extra
AlmaLinux:9 kernel-debug-uki-virt
AlmaLinux:9 kernel-modules-extra
AlmaLinux:9 kernel-zfcpdump-modules-core
AlmaLinux:9 kernel-zfcpdump-devel
AlmaLinux:9 kernel-modules
AlmaLinux:9 kernel-rt-debug-modules-core
AlmaLinux:9 kernel-debug-modules
AlmaLinux:9 kernel-debug
AlmaLinux:9 kernel-debug-core
AlmaLinux:9 kernel-rt-core
AlmaLinux:9 kernel-debug-devel-matched
AlmaLinux:9 kernel-64k-devel
AlmaLinux:9 kernel-tools-libs-devel
AlmaLinux:9 kernel-rt-debug
AlmaLinux:9 kernel-64k-devel-matched
AlmaLinux:9 kernel-zfcpdump
AlmaLinux:9 kernel-rt-64k-debug-core
AlmaLinux:9 perf
AlmaLinux:9 kernel-rt-debug-modules
AlmaLinux:9 kernel-devel-matched
AlmaLinux:9 kernel-rt-modules
AlmaLinux:9 kernel
AlmaLinux:9 libperf
AlmaLinux:9 kernel-rt
AlmaLinux:9 kernel-64k-modules-extra
AlmaLinux:9 kernel-uki-virt
AlmaLinux:9 kernel-rt-64k-debug-modules
AlmaLinux:9 kernel-64k-debug-devel-matched
AlmaLinux:9 kernel-zfcpdump-core
AlmaLinux:9 kernel-zfcpdump-modules
AlmaLinux:9 rv
AlmaLinux:9 kernel-rt-64k
AlmaLinux:9 kernel-rt-modules-core
AlmaLinux:9 kernel-tools-libs
AlmaLinux:9 kernel-64k-debug-modules
AlmaLinux:9 kernel-64k-modules
AlmaLinux:9 kernel-64k-core
AlmaLinux:9 kernel-64k

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2026:38491

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:AlmaLinux-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.

View original source

05 / REFERENCES

Further evidence