linux: In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronize_net() barrie...
CVE-2024-27390 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2024-27390, released May 1, 2024. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down() As discussed in the past (commit 2d3916f31891 ("ipv6: fix skb drops in igmp6_event_query() and igmp6_event_report()")) I think the synchronize_net() call in ipv6_mc_down() is not needed. Under load, synchronize_net() can last between 200 usec and 5 ms. KASAN seems to agree as well.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| bpftool-debuginfo · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-debuginfo · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-debuginfo-common-aarch64 · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-debuginfo-common-x86_64 · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-devel · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-headers · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-libbpf · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-libbpf-devel · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-libbpf-static · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-livepatch-6.1.84-99.169 · amzn 2023 | 1.0-0.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-modules-extra · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-modules-extra-common · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-tools · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-tools-debuginfo · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| kernel-tools-devel · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| linux · Debian 12.15 (bookworm) | 6.1.85-1 | DEBIAN-CVE-2024-27390 | May 1, 2024 |
| linux · Debian 13.5 (trixie) | 6.7.12-1 | DEBIAN-CVE-2024-27390 | May 1, 2024 |
| linux · Debian 14 | 6.7.12-1 | DEBIAN-CVE-2024-27390 | May 1, 2024 |
| perf · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| perf-debuginfo · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| python3-perf · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
| python3-perf-debuginfo · amzn 2023 | 6.1.84-99.169.amzn2023 | ALAS2023-2024-696 | Aug 1, 2024 |
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