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CVE-2023-52983 Detail

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().


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/511c922c5bf6c8a166bea826e702336bc2424140 Patch 
https://git.kernel.org/stable/c/7f77f3dab5066a7c9da73d72d1eee895ff84a8d5 Patch 
https://git.kernel.org/stable/c/b600de2d7d3a16f9007fad1bdae82a3951a26af2 Patch 
https://git.kernel.org/stable/c/cb1876fc33af26d00efdd473311f1b664c77c44e Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
5.15.86
Up to (excluding)
5.15.93
 cpe:2.3:o:linux:linux_kernel:6.0.16:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
6.1.2
Up to (excluding)
6.1.11

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-52983
NVD Published Date:
03/27/2025
NVD Last Modified:
04/01/2025
Source:
kernel.org