RHSA-2026:35844HighCVSS 7.1
Red Hat Security Advisory: kernel security update
🔗 CVE IDs covered (4)
📋 Description
CVE-2026-23455 — kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() CVE-2026-43125 — kernel: dlm: validate length in dlm_search_rsb_tree CVE-2026-45852 — kernel: RDMA/rxe: Fix double free in rxe_srq_from_init CVE-2026-46090 — kernel: ALSA: aloop: Fix peer runtime UAF during format-change stop
🎯 Affected products95
- Red Hat Enterprise Linux Server (v. 7 ELS)
- Red Hat Enterprise Linux Server Optional (v. 7 ELS)
- bpftool-0:3.10.0-1160.154.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- bpftool-0:3.10.0-1160.154.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- bpftool-0:3.10.0-1160.154.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- bpftool-0:3.10.0-1160.154.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- bpftool-debuginfo-0:3.10.0-1160.154.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- bpftool-debuginfo-0:3.10.0-1160.154.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
- bpftool-debuginfo-0:3.10.0-1160.154.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- bpftool-debuginfo-0:3.10.0-1160.154.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
- bpftool-debuginfo-0:3.10.0-1160.154.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- bpftool-debuginfo-0:3.10.0-1160.154.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- bpftool-debuginfo-0:3.10.0-1160.154.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
- kernel-0:3.10.0-1160.154.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-0:3.10.0-1160.154.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-0:3.10.0-1160.154.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-0:3.10.0-1160.154.1.el7.src as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-0:3.10.0-1160.154.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-abi-whitelists-0:3.10.0-1160.154.1.el7.noarch as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-bootwrapper-0:3.10.0-1160.154.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-bootwrapper-0:3.10.0-1160.154.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-debug-0:3.10.0-1160.154.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-debug-0:3.10.0-1160.154.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-debug-0:3.10.0-1160.154.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-debug-0:3.10.0-1160.154.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-debug-debuginfo-0:3.10.0-1160.154.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-debug-debuginfo-0:3.10.0-1160.154.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
- kernel-debug-debuginfo-0:3.10.0-1160.154.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- kernel-debug-debuginfo-0:3.10.0-1160.154.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
- kernel-debug-debuginfo-0:3.10.0-1160.154.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
- +65 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.
🔗 References (7)
- selfhttps://access.redhat.com/errata/RHSA-2026:35844
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2454810
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2467234
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2481980
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2482166
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_35844.json