CVE-2026-64147

In the Linux kernel, the following vulnerability has been resolved: pds_core: fix debugfs_lookup dentry leak and error handling debugfs_lookup() returns a dentry with an elevated reference count that must be released with dput(). The current code discards the returned dentry without calling dput(), causing a reference leak on every firmware reset recovery. Additionally, when CONFIG_DEBUG_FS is disabled, debugfs_lookup() returns ERR_PTR(-ENODEV), not NULL. The current check passes for error pointers and would call dput() on an invalid pointer, causing a crash.

• CWE-401

• https://git.kernel.org/stable/c/26e19622c485e53c3fdb299e822068a0542ddf0cPatch
• https://git.kernel.org/stable/c/60ef1675b652e912f3eb064767af4432393291fdPatch
• https://git.kernel.org/stable/c/91d13e92b983e6c6d7631012c2e20ae8057de9f2Patch
• https://git.kernel.org/stable/c/d7f4dd4c8fb380898fef7a77d48fce7ccdb4fc32Patch
• https://git.kernel.org/stable/c/dc416e32baaeb620b9809e9e25fc7b30889686e9Patch

Published

Jul 19, 2026

Last Modified

Aug 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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