VULNERABILITY INTELLIGENCE

CVE-2023-53681

CVSS score5.5 MEDIUM
EPSS probability0.15%
CISA KEVNot currently listed
Published2025-10-07
Last modified2026-10-28
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent In some specific situations, the return value of __bch_btree_node_alloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a calling chain : btree_split->bch_btree_node_alloc->__bch_btree_node_alloc. Fix it by initializing the return value in __bch_btree_node_alloc.

Weakness classification

  • nvd@nist.gov: CWE-476

Primary references