High [CVE-2026-23136] Linux kernel: Denial of Service in libceph OSD client due to unreset sparse-read state
This high-severity Red Hat Linux advisory covers CVE-2026-23136 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 1, Linux Kernel.
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Summary
Linux kernel: Denial of Service in libceph OSD client due to unreset sparse-read state. Red Hat rates this moderate (CVSS 7.6).
Weakness: CWE-440. Affected package(s): kernel.
Resolved in Red Hat advisory RHSA-2026:27708 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
- kernel-0:5.14.0-570.123.1.el9_6
- kernel-0:6.12.0-55.82.1.el10_0
- kernel-0:5.14.0-611.54.1.el9_7
- kernel-0:5.14.0-687.10.1.el9_8
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:27708
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:27708 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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