Threats Tagged 'cve-2026-31419'

This security advisory from Red Hat addresses multiple vulnerabilities in the Linux kernel live patch module for kernel version 4.18.0-553.53.1.el8_10. The issues include a privilege escalation or denial of service vulnerability in the KVM due to improper shadow page table entry handling (CVE-2026-23401), a heap overflow in the NFSv4.0 LOCK replay cache (CVE-2026-31402), and a use-after-free vulnerability in the bonding driver causing denial of service (CVE-2026-31419). These vulnerabilities have been rated with an overall security impact of Important by Red Hat. Updates are available as kpatch live patch modules to address these issues. The advisory provides detailed package updates and references for remediation.

This advisory addresses multiple security vulnerabilities in the Linux kernel targeted by the kpatch live patch module for kernel-4.18.0-477.97.1.el8_8 on Red Hat Enterprise Linux 8.8. The vulnerabilities include privilege escalation or denial of service in the KVM due to improper shadow page table entry handling (CVE-2026-23401), a heap overflow in the NFSv4.0 LOCK replay cache (CVE-2026-31402), and a use-after-free in the bonding driver causing denial of service (CVE-2026-31419). These issues are rated as important by Red Hat and have corresponding patches available via kpatch modules. The advisory provides instructions for applying these updates to affected systems.

This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel 5.14.0-284.117.1.el9_2 via live patch modules for kpatch. The issues include a privilege escalation or denial of service vulnerability in the KVM due to improper shadow page table entry handling (CVE-2026-23401), a heap overflow in the NFSv4.0 LOCK replay cache (CVE-2026-31402), and a use-after-free in the bonding driver causing denial of service (CVE-2026-31419). These vulnerabilities affect Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions and Extended Life Cycle versions. The advisory provides updated kpatch modules to remediate these issues. No CVSS scores are provided, but the severity is rated as important/high by Red Hat.

This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel 5.14.0-427.68.2.el9_4 via kpatch live patch modules. The fixed issues include a privilege escalation or denial of service in KVM due to improper shadow page table entry handling (CVE-2026-23401), a heap overflow in the NFSv4.0 LOCK replay cache (CVE-2026-31402), and a use-after-free vulnerability in the bonding driver causing denial of service (CVE-2026-31419). These vulnerabilities affect Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions and related variants. Red Hat has released updated kpatch modules to remediate these issues. Users should apply these official patches to mitigate the risks. No known exploits in the wild have been reported at this time.

This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel live patch module for kernel version 5.14.0-570.17.1.el9_6. The update fixes a privilege escalation or denial of service issue in the KVM component due to improper shadow page table entry handling (CVE-2026-23401), a heap overflow in the NFSv4.0 LOCK replay cache (CVE-2026-31402), and a use-after-free vulnerability in the bonding driver that can lead to denial of service (CVE-2026-31419). The advisory targets Red Hat Enterprise Linux 9.6 Extended Update Support and related variants. A security update is available to address these issues.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() (CVE-2026-23216) * kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service (CVE-2026-31419) * kernel: net: openvswitch: Avoid releasing netdev before teardown completes (CVE-2026-31508) * kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581) * kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (CVE-2026-43037) * kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056) * kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116) * kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125) * kernel: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (CVE-2026-43501) * kernel: RDMA/rxe: Fix double free in rxe_srq_from_init (CVE-2026-45852) * kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (CVE-2026-46181) 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.

Multiple security vulnerabilities affecting the Red Hat Enterprise Linux Real Time (kernel-rt) packages have been addressed in an important security advisory. The issues include use-after-free bugs in the bonding driver and net mana component, denial of service, out-of-bounds writes in USB audio, and race conditions in nvmet-tcp, among others. These vulnerabilities impact kernel components critical for real-time system determinism. The advisory provides updated kernel-rt packages for Red Hat Enterprise Linux 8 Real Time variants. A system reboot is required after applying the update.