Red Hat Security Advisory: kernel security update
🔗 CVE IDs covered (17)
📋 Description
CVE-2021-47185 — kernel: tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc CVE-2023-52835 — kernel: perf/core: Bail out early if the request AUX area is out of bound CVE-2023-53558 — kernel: rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic() CVE-2024-26660 — kernel: drm/amd/display: Implement bounds check for stream encoder creation in DCN301 CVE-2024-27025 — kernel: nbd: null check for nla_nest_start CVE-2024-41039 — kernel: firmware: cs_dsp: Fix overflow checking of wmfw header CVE-2024-41065 — kernel: powerpc/pseries: Whitelist dtl slub object for copying to userspace CVE-2024-42226 — kernel: usb: xhci: prevent potential failure in handle_tx_event() for Transfer events without TRB CVE-2024-50074 — kernel: parport: Proper fix for array out-of-bounds access CVE-2024-50082 — kernel: blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race CVE-2025-21887 — kernel: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up CVE-2025-21905 — kernel: wifi: iwlwifi: limit printed string from FW file CVE-2025-22104 — kernel: ibmvnic: Use kernel helpers for hex dumps CVE-2025-22113 — kernel: ext4: avoid journaling sb update on error if journal is destroying CVE-2025-37803 — kernel: udmabuf: fix a buf size overflow issue during udmabuf creation CVE-2025-38087 — kernel: net/sched: fix use-after-free in taprio_dev_notifier CVE-2025-38089 — kernel: sunrpc: handle SVC_GARBAGE during svc auth processing as auth error
🎯 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-0:7.3.0-427.79.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-0:7.3.0-427.79.1.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-0:7.3.0-427.79.1.el9_4.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-0:7.3.0-427.79.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.aarch64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.ppc64le as a component of Red Hat CodeReady Linux Builder EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.s390x as a component of Red Hat CodeReady Linux Builder EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.x86_64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux Real Time EUS (v.9.4)
- bpftool-debuginfo-0:7.3.0-427.79.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)
- kernel-0:5.14.0-427.79.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-0:5.14.0-427.79.1.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-0:5.14.0-427.79.1.el9_4.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-0:5.14.0-427.79.1.el9_4.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-0:5.14.0-427.79.1.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-64k-0:5.14.0-427.79.1.el9_4.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
- kernel-64k-core-0:5.14.0-427.79.1.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: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and 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. Workaround: To mitigate this issue, prevent module sch_taprio from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible. Additionally, to protect against this and other similar vulnerabilities, ensure appropriate access controls are in place to prevent unauthorized use of RPC-based services. If SunRPC not being used, then to mitigate this issue to prevent the sunrpc module from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.
🔗 References (19)
- selfhttps://access.redhat.com/errata/RHSA-2025:11810
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2272782
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2274624
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2278484
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2282735
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2300408
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2300440
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2301544
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2322308
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2322310
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2355405
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2356613
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2360212
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2360265
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2365013
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2375529
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2375531
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_11810.json