RHSA-2026:20593 — Security Advisory
Red Hat Security Advisory: kernel security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · May 26, 2026
Updated · October 31, 2026
Topic
An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.
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):
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kernel: proc: fix UAF in proc_get_inode() (CVE-2025-21999)
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kernel: Linux kernel (qla2xxx): Double free vulnerability leads to denial of service and potential privilege escalation. (CVE-2025-71238)
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kernel: Linux kernel: Denial of service and memory corruption in RDMA umad (CVE-2026-23243)
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kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling (CVE-2026-23401)
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kernel: can: raw: fix ro->uniq use-after-free in raw_rcv() (CVE-2026-31532)
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kernel: "Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel (CVE-2026-46300)
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kernel: Read root-owned files as an unprivileged user (CVE-2026-46333)
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.