CVE-2023-52983

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().

The following products are affected by CVE-2023-52983 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2023-52983.

URL	Resource
https://git.kernel.org/stable/c/511c922c5bf6c8a166bea826e702336bc2424140
https://git.kernel.org/stable/c/7f77f3dab5066a7c9da73d72d1eee895ff84a8d5
https://git.kernel.org/stable/c/b600de2d7d3a16f9007fad1bdae82a3951a26af2
https://git.kernel.org/stable/c/cb1876fc33af26d00efdd473311f1b664c77c44e
https://lore.kernel.org/linux-cve-announce/2025032706-CVE-2023-52983-4a16@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2023-52983
https://www.cve.org/CVERecord?id=CVE-2023-52983