CVE-2023-52983 (GCVE-0-2023-52983)
Vulnerability from cvelistv5
Published
2025-03-27 16:43
Modified
2025-05-04 12:50
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/511c922c5bf6c8a166bea826e702336bc2424140Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7f77f3dab5066a7c9da73d72d1eee895ff84a8d5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b600de2d7d3a16f9007fad1bdae82a3951a26af2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cb1876fc33af26d00efdd473311f1b664c77c44ePatch
Impacted products
Vendor Product Version
Linux Linux Version: 5533742c7cb1bc9b1f0bf401cc397d44a3a9e07a
Version: 094f3d9314d67691cb21ba091c1b528f6e3c4893
Version: 761564d93c8265f65543acf0a576b32d66bfa26a
Version: 64dc8c732f5c2b406cc752e6aaa1bd5471159cab
Version: b22fd72bfebda3956efc4431b60ddfc0a51e03e0
 Create a notification for this product.
   Linux Linux Version: 5.15.86   ≤
Version: 6.1.2   ≤
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