Red Hat Product Errata RHSA-2026:27355 - Security Advisory Issued: 2026-06-19 Updated: 2026-06-19 RHSA-2026:27355 - Security Advisory Overview Updated Packages Synopsis Important: kernel security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331) 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. Solution 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. Affected Products Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8 x86_64 Red Hat Enterprise Linux Server - TUS 8.8 x86_64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64 Fixes BZ - 2479492 - CVE-2026-46331 kernel: net/sched: act_pedit: extend the writable skb range per key CVEs CVE-2026-46331 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. 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Update Services for SAP Solutions 8.8 SRPM kernel-4.18.0-477.148.1.el8_8.src.rpm SHA-256: ca56b214add6f1ecc21f0763eb276bcc26ebd567d0edef8f1dc13fe471dcceba ppc64le bpftool-4.18.0-477.148.1.el8_8.ppc64le.rpm SHA-256: 25523f1dba1a18fa94df43c3fcfa727d7c42fb52c3d7e9a296eeefe6835d8954 bpftool-debuginfo-4.18.0-477.148.1.el8_8.ppc64le.rpm SHA-256: 84e1ccaca74daf22f08c7a981526496dca572e5f0277320533cb14a310f6565f kernel-4.18.0-477.148.1.el8_8.ppc64le.rpm SHA-256: b66650eefec4392f294e14beb559e6b9695f46e7d715056b8aaa17e6ab13cb9a kernel-abi-stablelists-4.18.0-477.148.1.el8_8.noarch.rpm SHA-256: 3330787e308e222a7058b506a638dbfa5942bbbe39b5538e2761e5d5d75e54bf kernel-core-4.18.0-477.148.1.el8_8.ppc64le.rpm SHA-256: 8874695cfcc97a06619f19fb856d911cd59dc9e3e1e4d1c85235c2036bfa6d67 kernel-cross-headers-4.18.0-477.148.1.el8_8.ppc64le.rpm SHA-256: 7ed1eeeac0b0f1eb175f5b7dc0f71b72a7d75dc5469755bc887734b6f6d79808 kernel-debug-4.18.0-477.148.1.el8_8.ppc64le.rpm SHA-256: f0b2893ee0f91a9f40b595c11adba3e41059a50c9a6ef091de83dc19ad4160d5 kernel-debu