CVE - CVE-2023-52983

CVE-ID
CVE-2023-52983	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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().
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/511c922c5bf6c8a166bea826e702336bc2424140 URL:https://git.kernel.org/stable/c/511c922c5bf6c8a166bea826e702336bc2424140 MISC:https://git.kernel.org/stable/c/7f77f3dab5066a7c9da73d72d1eee895ff84a8d5 URL:https://git.kernel.org/stable/c/7f77f3dab5066a7c9da73d72d1eee895ff84a8d5 MISC:https://git.kernel.org/stable/c/b600de2d7d3a16f9007fad1bdae82a3951a26af2 URL:https://git.kernel.org/stable/c/b600de2d7d3a16f9007fad1bdae82a3951a26af2 MISC:https://git.kernel.org/stable/c/cb1876fc33af26d00efdd473311f1b664c77c44e URL:https://git.kernel.org/stable/c/cb1876fc33af26d00efdd473311f1b664c77c44e
Assigning CNA
kernel.org
Date Record Created
20250327	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250327)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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