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Re: Linux kernel LPEs: ZcopyReaper (CVE-2026-43502) and 20 more

oss-security thread discusses newly disclosed Linux kernel local privilege escalations, including ZcopyReaper (CVE-2026-43502) and about 20 more flaws.

An oss-security mailing list thread discusses newly disclosed Linux kernel local privilege escalation (LPE) issues, headlined by ZcopyReaper (CVE-2026-43502) along with roughly 20 more. Discussants ask whether the many reports could be summarized and note that locking kernel module loading after boot has repeatedly proven an effective mitigation. The visible discussion does not state whether any of the flaws are exploited in the wild or give specific patch guidance beyond the individual reports.

oss-security·Sep 8, 17:02 UTC · 7d agoVulnerabilityCVE-2026-43502

Local Privilege Escalation (LPE) in FolkPatch due to Hardcoded Default SuperKey

A hardcoded default SuperKey in FolkPatch, an APatch-based kernel patching tool, enables local privilege escalation limited to FolkPatch's downstream code.

A disclosure posted to the oss-security mailing list describes a local privilege escalation (LPE) in FolkPatch caused by a hardcoded default SuperKey. FolkPatch is a downstream project based on APatch that utilizes its own custom KernelPatch. According to the post, the vulnerability is specific to FolkPatch's downstream modifications rather than upstream APatch or KernelPatch code.

oss-security·Sep 12, 14:32 UTC · 3d agoVulnerability1

Nine-Year-Old RefluXFS Linux Flaw Gives Local Users Root on Default RHEL Installs

The Hacker News·Jul 24, 04:42 UTC · Jul 24, 2026Exploit / PoCCVE-2026-64600CVE-2026-8933