CVE-2026-89708
nfsd: RCU-protect cl_cb_session to fix use-after-free on session teardown
CVE-2026-89708 is fixed in 74 products on 1 platform, first by DEBIAN-CVE-2026-89708, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
9.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0044
39th percentile
nfsd: RCU-protect cl_cb_session to fix use-after-free on session teardown (Jeff Layton) [Orabug: 40021778]
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.12 · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| bpftool6.18 · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel-livepatch-6.12.111-136.204 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel-livepatch-6.18.51-120.162 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel-uek · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-devel · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-doc · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-tools · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-tools · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.111-1 | DEBIAN-CVE-2026-89708 | Sep 23, 2026 |
| linux · Debian 14 | 7.2.6-1 | DEBIAN-CVE-2026-89708 | Sep 23, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.111-1~deb12u1 | DEBIAN-CVE-2026-89708 | Sep 23, 2026 |
| microvm-kernel6.18 · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| perf6.12 · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| python3-perf6.12 · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.111-136.204.amzn2023 | ALAS2023-2026-3193 | Nov 7, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.51-120.162.amzn2023 | ALAS2023-2026-3187 | Nov 7, 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.