CVE-2026-43101
ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()
CVE-2026-43101 is fixed in 34 products on 1 platform, first by ALAS2023-2026-1693, released May 8, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0059
48th percentile
In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data() We need to check __in6_dev_get() for possible NULL value, as suggested by Yiming Qian. Also add skb_dst_dev_rcu() instead of skb_dst_dev(), and two missing READ_ONCE(). Note that @dev can't be NULL.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.18 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.63.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-azure · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.63.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-azure · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.63.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.36.1.160000.2.17 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.63.1.150700.17.37.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.36.1.160000.2.17 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.63.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-livepatch-6.18.25-55.108 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_17 · sles 15.7 | 1-150700.1.3.1 | SUSE-SU-2026:2799-1 | Jul 8, 2026 |
| kernel-livepatch-SLE15-SP7_Update_17 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.63.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.63.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.63.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.63.1 | SUSE-SU-2026:2722-1 | Jul 1, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.115-2 | DEBIAN-CVE-2026-43101 | May 15, 2026 |
| linux · Debian 14 | 6.19.14-1 | DEBIAN-CVE-2026-43101 | May 15, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.