bic'"), bic-…"/> bic'"), bic-…"/> bic'"), bic-…"/>
VDB

DEBIAN-CVE-2023-52983

DEBIAN-CVE-2023-52983 PUBLISHED CVSS 7.800000190734863 HIGH

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().

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:12linux0
Debian:14linux0
Debian:13linux0

Timeline

  • Mar 27, 2025 CVE Published
  • Oct 26, 2026 CVE Updated
Open in Interactive Console →
$ Console Community · 50/day Open console ›