linux: A flaw was found in the IPv6 module of the Linux kernel
CVE-2023-3022 is fixed in 13 products on 1 platform, first by RHSA-2022:1975, released May 10, 2022. It is not reported as exploited. Patch Radar priority: Routine.
A flaw was found in the IPv6 module of the Linux kernel. The arg.result was not used consistently in fib6_rule_lookup, sometimes holding rt6_info and other times fib6_info. This was not accounted for in other parts of the code where rt6_info was expected unconditionally, potentially leading to a kernel panic in fib6_rule_suppress.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| kernel-rt · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-core · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-debug · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-debug-core · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-debug-devel · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-debug-kvm · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-debug-modules · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-debug-modules-extra · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-devel · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-kvm · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-modules · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| kernel-rt-modules-extra · RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 | May 10, 2022 |
| linux · Debian 12.15 (bookworm) | 5.2.6-1 | DEBIAN-CVE-2023-3022 | Jun 19, 2023 |
| linux · Debian 13.5 (trixie) | 5.2.6-1 | DEBIAN-CVE-2023-3022 | Jun 19, 2023 |
| linux · Debian 14 | 5.2.6-1 | DEBIAN-CVE-2023-3022 | Jun 19, 2023 |
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