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Case File

CVE-2023-53681

MEDIUM · CVSS 5.5 EPSS 0.14%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-07 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2023-53681
Severity
MEDIUM
CVSS
5.5
EPSS
0.14%
Linux

Original NVD 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.

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