AUGUST 4, 2026
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Case File

CVE-2023-52983

HIGH · CVSS 7.8 EPSS 0.27%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-03-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux, F5.

CVE
CVE-2023-52983
Severity
HIGH
CVSS
7.8
EPSS
0.27%
Linux F5

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bic_set_bfqq() After commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'"), bic->bfqq will be accessed in bic_set_bfqq(), however, in some context bic->bfqq will be freed, and bic_set_bfqq() is called with the freed bic->bfqq. Fix the problem by always freeing bfqq after bic_set_bfqq().

Related CVEs

Other vulnerabilities affecting the same vendor(s)