Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759) * kernel: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up (CVE-2025-21887) * kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004) * kernel: udf: Fix a slab-out-of-bounds write bug in udf_find_entry() (CVE-2022-49846) * kernel: vmxnet3: Fix malformed packet sizing in vmxnet3_process_xdp (CVE-2025-37799) 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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759) * kernel: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up (CVE-2025-21887) * kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004) * kernel: udf: Fix a slab-out-of-bounds write bug in udf_find_entry() (CVE-2022-49846) * kernel: vmxnet3: Fix malformed packet sizing in vmxnet3_process_xdp (CVE-2025-37799) 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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2025:10379
- https://access.redhat.com/security/cve/CVE-2022-49846
- https://access.redhat.com/security/cve/CVE-2025-21759
- https://access.redhat.com/security/cve/CVE-2025-21887
- https://access.redhat.com/security/cve/CVE-2025-22004
- https://access.redhat.com/security/cve/CVE-2025-37799
- https://bugzilla.redhat.com/2348596
- https://bugzilla.redhat.com/2355405
- https://bugzilla.redhat.com/2357142
- https://bugzilla.redhat.com/2363432
- https://bugzilla.redhat.com/2363876
- https://errata.almalinux.org/9/ALSA-2025-10379.html