CVE-2025-21760
linux: In the Linux kernel, the following vulnerability has been resolved: ndisc: extend RCU protection in ndisc_send_skb()...
CVE-2025-21760 is fixed in 84 products on 1 platform, first by DEBIAN-CVE-2025-21760, released February 27, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.1
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.3800
98th percentile
In the Linux kernel, the following vulnerability has been resolved: ndisc: extend RCU protection in ndisc_send_skb() ndisc_send_skb() can be called without RTNL or RCU held. Acquire rcu_read_lock() earlier, so that we can use dev_net_rcu() and avoid a potential UAF.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| bpftool-debuginfo · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| dtb-aarch64 · opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-64kb · opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-64kb · sles 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.3.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| kernel-azure · opensuse-leap 15.6 | 6.4.0-150600.8.34.2 | SUSE-SU-2025:1177-1 | Apr 8, 2025 |
| kernel-azure · sles 15.6 | 6.4.0-150600.8.34.2 | SUSE-SU-2025:1177-1 | Apr 8, 2025 |
| kernel-azure · sles 15.7 | 6.4.0-150700.20.3.1 | SUSE-SU-2025:01967-1 | Jun 16, 2025 |
| kernel-coco · sles 15.6 | 6.4.0-15061.21.coco15sp6.1 | SUSE-SU-2025:01919-1 | Jun 12, 2025 |
| kernel-coco_debug · sles 15.6 | 6.4.0-15061.21.coco15sp6.1 | SUSE-SU-2025:01919-1 | Jun 12, 2025 |
| kernel-debug · opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-debuginfo · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-debuginfo-common-aarch64 · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-debuginfo-common-x86_64 · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-default · opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-default · sles 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.3.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| kernel-default-base · opensuse-leap 15.6 | 6.4.0-150600.23.47.2.150600.12.20.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-default-base · sles 15.6 | 6.4.0-150600.23.47.2.150600.12.20.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.3.1.150700.17.2.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| kernel-devel · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-docs · opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-docs · sles 15.6 | 6.4.0-150600.23.47.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.3.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| kernel-headers · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-kvmsmall · opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-libbpf · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-libbpf-debuginfo · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-libbpf-devel · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-libbpf-static · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-livepatch-6.1.131-143.221 · amzn 2023 | 1.0-0.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-livepatch-SLE15-SP6-RT_Update_10 · sles 15.6 | 1-150600.1.5.1 | SUSE-SU-2025:1178-1 | Apr 8, 2025 |
| kernel-livepatch-SLE15-SP6_Update_10 · sles 15.6 | 1-150600.13.5.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-livepatch-SLE15-SP7_Update_1 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| kernel-modules-extra · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-modules-extra-common · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-obs-build · opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-obs-build · sles 15.6 | 6.4.0-150600.23.47.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.3.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| kernel-obs-qa · opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-rt · opensuse-leap 15.6 | 6.4.0-150600.10.34.1 | SUSE-SU-2025:1178-1 | Apr 8, 2025 |
| kernel-rt_debug · opensuse-leap 15.6 | 6.4.0-150600.10.34.1 | SUSE-SU-2025:1178-1 | Apr 8, 2025 |
| kernel-source · opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-source · sles 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.3.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| kernel-source-azure · opensuse-leap 15.6 | 6.4.0-150600.8.34.2 | SUSE-SU-2025:1177-1 | Apr 8, 2025 |
| kernel-source-azure · sles 15.6 | 6.4.0-150600.8.34.2 | SUSE-SU-2025:1177-1 | Apr 8, 2025 |
| kernel-source-azure · sles 15.7 | 6.4.0-150700.20.3.1 | SUSE-SU-2025:01967-1 | Jun 16, 2025 |
| kernel-source-coco · sles 15.6 | 6.4.0-15061.21.coco15sp6.1 | SUSE-SU-2025:01919-1 | Jun 12, 2025 |
| kernel-source-rt · opensuse-leap 15.6 | 6.4.0-150600.10.34.1 | SUSE-SU-2025:1178-1 | Apr 8, 2025 |
| kernel-syms · opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-syms · sles 15.6 | 6.4.0-150600.23.47.1 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.3.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| kernel-syms-azure · opensuse-leap 15.6 | 6.4.0-150600.8.34.1 | SUSE-SU-2025:1177-1 | Apr 8, 2025 |
| kernel-syms-azure · sles 15.6 | 6.4.0-150600.8.34.1 | SUSE-SU-2025:1177-1 | Apr 8, 2025 |
| kernel-syms-azure · sles 15.7 | 6.4.0-150700.20.3.1 | SUSE-SU-2025:01967-1 | Jun 16, 2025 |
| kernel-syms-coco · sles 15.6 | 6.4.0-15061.21.coco15sp6.1 | SUSE-SU-2025:01919-1 | Jun 12, 2025 |
| kernel-syms-rt · opensuse-leap 15.6 | 6.4.0-150600.10.34.1 | SUSE-SU-2025:1178-1 | Apr 8, 2025 |
| kernel-tools · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-tools-debuginfo · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-tools-devel · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| kernel-uek · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-core · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-core · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-devel · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-devel · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-doc · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-doc · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-tools · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek-tools · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-101.33.4.3.el9uek | ELSA-2025-20480 | Jul 17, 2025 |
| kernel-zfcpdump · opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-zfcpdump · sles 15.6 | 6.4.0-150600.23.47.2 | SUSE-SU-2025:1180-1 | Apr 9, 2025 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.3.1 | SUSE-SU-2025:01951-1 | Jun 13, 2025 |
| linux · Debian 12.15 (bookworm) | 6.1.129-1 | DEBIAN-CVE-2025-21760 | Feb 27, 2025 |
| linux · Debian 13.5 (trixie) | 6.12.16-1 | DEBIAN-CVE-2025-21760 | Feb 27, 2025 |
| linux · Debian 14 | 6.12.16-1 | DEBIAN-CVE-2025-21760 | Feb 27, 2025 |
| perf · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| perf-debuginfo · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| python3-perf · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
| python3-perf-debuginfo · amzn 2023 | 6.1.131-143.221.amzn2023 | ALAS2023-2025-915 | Mar 26, 2025 |
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