linux: In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bic_set_bfqq()...
CVE-2023-52983 is fixed in 20 products on 1 platform, first by ALAS2023-2023-132, released March 11, 2023. It is not reported as exploited. Patch Radar priority: 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().
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| bpftool-debuginfo · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-debuginfo · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-debuginfo-common-aarch64 · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-debuginfo-common-x86_64 · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-devel · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-headers · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-libbpf · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-libbpf-devel · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-libbpf-static · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-livepatch-6.1.12-17.42 · amzn 2023 | 1.0-0.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-tools · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-tools-debuginfo · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| kernel-tools-devel · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| linux · Debian 12.15 (bookworm) | 6.1.11-1 | DEBIAN-CVE-2023-52983 | Mar 27, 2025 |
| linux · Debian 13.5 (trixie) | 6.1.11-1 | DEBIAN-CVE-2023-52983 | Mar 27, 2025 |
| linux · Debian 14 | 6.1.11-1 | DEBIAN-CVE-2023-52983 | Mar 27, 2025 |
| perf · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| perf-debuginfo · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| python3-perf · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
| python3-perf-debuginfo · amzn 2023 | 6.1.12-17.42.amzn2023 | ALAS2023-2023-132 | Mar 11, 2023 |
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