Red Hat Security Advisory: kernel security update
🔗 CVE IDs covered (9)
📋 Description
CVE-2025-23142 — kernel: Linux kernel: SCTP use-after-free due to race condition in sendmsg CVE-2025-38724 — kernel: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() CVE-2025-39825 — kernel: smb: client: fix race with concurrent opens in rename(2) CVE-2025-39898 — kernel: e1000e: fix heap overflow in e1000_set_eeprom CVE-2025-39982 — kernel: Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync CVE-2025-40141 — kernel: Bluetooth: ISO: Fix possible UAF on iso_conn_free CVE-2025-40176 — kernel: tls: wait for pending async decryptions if tls_strp_msg_hold fails CVE-2025-68285 — kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() CVE-2025-68287 — kernel: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths
🎯 Affected products200
- Red Hat CodeReady Linux Builder EUS (v.9.4)
- Red Hat Enterprise Linux AppStream EUS (v.9.4)
- Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- Red Hat Enterprise Linux Real Time EUS (v.9.4)
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)
- bpftool-0:7.3.0-427.106.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-0:7.3.0-427.106.1.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-0:7.3.0-427.106.1.el9_4.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-0:7.3.0-427.106.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.aarch64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.ppc64le as a component of Red Hat CodeReady Linux Builder EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.s390x as a component of Red Hat CodeReady Linux Builder EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.x86_64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux Real Time EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.106.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)
- kernel-0:5.14.0-427.106.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-0:5.14.0-427.106.1.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-0:5.14.0-427.106.1.el9_4.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-0:5.14.0-427.106.1.el9_4.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-0:5.14.0-427.106.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-64k-0:5.14.0-427.106.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-64k-core-0:5.14.0-427.106.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- +170 more not shown
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use anhd deployment, applicability to widespread installation base or stability. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
🔗 References (12)
- selfhttps://access.redhat.com/errata/RHSA-2026:0489
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2363300
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2393172
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2395792
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2400598
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2404100
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2414522
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2414524
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2422788
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2422801
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0489.json