VULNERABILITY

Debian: CVE-2023-52983: linux -- security update

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Debian: CVE-2023-52983: linux -- security update

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
03/27/2025
Created
04/01/2025
Added
03/31/2025
Modified
04/01/2025

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().

Solution(s)

  • debian-upgrade-linux

References

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