CVE-2025-68188
tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()
CVE-2025-68188 is fixed in 75 products on 1 platform, first by DEBIAN-CVE-2025-68188, released December 16, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0022
13th percentile
In the Linux kernel, the following vulnerability has been resolved: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() Use RCU to avoid a pair of atomic operations and a potential UAF on dst_dev()->flags.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.12 · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.31.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-azure · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.20.27.1 | SUSE-SU-2026:0472-1 | Feb 12, 2026 |
| kernel-azure · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.31.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.26.1.160000.2.7 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.31.1.150700.17.21.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.26.1.160000.2.7 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.31.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-livepatch-6.12.58-82.121 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_9 · sles 15.7 | 1-150700.1.3.2 | SUSE-SU-2026:0587-1 | Feb 20, 2026 |
| kernel-livepatch-SLE15-SP7_Update_9 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.31.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.31.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-source-azure · sles 15.7 | 6.4.0-150700.20.27.1 | SUSE-SU-2026:0472-1 | Feb 12, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.31.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel-syms-azure · sles 15.7 | 6.4.0-150700.20.27.1 | SUSE-SU-2026:0472-1 | Feb 12, 2026 |
| kernel-uek · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-core · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-devel · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-doc · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-tools · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek-tools · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-107.59.3.2.el9uek | ELSA-2026-50006 | Jan 13, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.26.1 | OPENSUSE-SU-2026:20287-1 | Feb 27, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.31.1 | SUSE-SU-2026:0447-1 | Feb 11, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.26.1 | SUSE-SU-2026:20599-1 | Feb 27, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-libbpf · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-libbpf-debuginfo · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-libbpf-devel · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-libbpf-static · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.63-1 | DEBIAN-CVE-2025-68188 | Dec 16, 2025 |
| linux · Debian 14 | 6.17.8-1 | DEBIAN-CVE-2025-68188 | Dec 16, 2025 |
| perf6.12 · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| python3-perf6.12 · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.58-82.121.amzn2023 | ALAS2023-2026-1495 | Mar 16, 2026 |
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