RLSA-2025:13589

Synopsis

Moderate: kernel security update

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

* kernel: can: peak_usb: fix use after free bugs (CVE-2021-47670)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

* kernel: can: peak_usb: fix use after free bugs (CVE-2021-47670)

* kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (CVE-2025-38085)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

* kernel: can: peak_usb: fix use after free bugs (CVE-2021-47670)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

The kernel packages contain the Linux kernel, the core of any Linux operating system.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

* kernel: can: peak_usb: fix use after free bugs (CVE-2021-47670)

* kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (CVE-2025-38085)

* kernel: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (CVE-2025-38159)

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 products

Rocky Linux 8 aarch64 Rocky Linux 8 x86_64

Fixes

2334551 2348516 2348596 2360786 2375304 2376064

CVEs

CVE-2021-47670 CVE-2024-56644 CVE-2025-21727 CVE-2025-21759 CVE-2025-38085 CVE-2025-38159

Affected packages

Rocky Linux 8 aarch64 - BaseOS

bpftool-0:4.18.0-553.69.1.el8_10.aarch64.rpm bpftool-debuginfo-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-0:4.18.0-553.69.1.el8_10.src.rpm kernel-abi-stablelists-0:4.18.0-553.69.1.el8_10.noarch.rpm kernel-core-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-cross-headers-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-debug-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-debug-core-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-debug-debuginfo-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-debug-devel-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-debuginfo-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-debuginfo-common-aarch64-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-debug-modules-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-debug-modules-extra-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-devel-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-doc-0:4.18.0-553.69.1.el8_10.noarch.rpm kernel-headers-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-modules-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-modules-extra-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-tools-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-tools-debuginfo-0:4.18.0-553.69.1.el8_10.aarch64.rpm kernel-tools-libs-0:4.18.0-553.69.1.el8_10.aarch64.rpm perf-0:4.18.0-553.69.1.el8_10.aarch64.rpm perf-debuginfo-0:4.18.0-553.69.1.el8_10.aarch64.rpm python3-perf-0:4.18.0-553.69.1.el8_10.aarch64.rpm python3-perf-debuginfo-0:4.18.0-553.69.1.el8_10.aarch64.rpm

Rocky Linux 8 x86_64 - BaseOS

bpftool-0:4.18.0-553.69.1.el8_10.x86_64.rpm bpftool-debuginfo-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-0:4.18.0-553.69.1.el8_10.src.rpm kernel-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-abi-stablelists-0:4.18.0-553.69.1.el8_10.noarch.rpm kernel-core-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-cross-headers-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-debug-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-debug-core-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-debug-debuginfo-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-debug-devel-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-debuginfo-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-debuginfo-common-x86_64-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-debug-modules-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-debug-modules-extra-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-devel-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-doc-0:4.18.0-553.69.1.el8_10.noarch.rpm kernel-headers-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-modules-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-modules-extra-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-tools-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-tools-debuginfo-0:4.18.0-553.69.1.el8_10.x86_64.rpm kernel-tools-libs-0:4.18.0-553.69.1.el8_10.x86_64.rpm perf-0:4.18.0-553.69.1.el8_10.x86_64.rpm perf-debuginfo-0:4.18.0-553.69.1.el8_10.x86_64.rpm python3-perf-0:4.18.0-553.69.1.el8_10.x86_64.rpm python3-perf-debuginfo-0:4.18.0-553.69.1.el8_10.x86_64.rpm

Rocky Linux 8 aarch64 - PowerTools

kernel-tools-libs-devel-0:4.18.0-553.69.1.el8_10.aarch64.rpm

Rocky Linux 8 x86_64 - PowerTools

kernel-tools-libs-devel-0:4.18.0-553.69.1.el8_10.x86_64.rpm