https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 07:35:09 +0000 https://vulnerability.circl.lu/vuln/bell-cve-2026-90066 <p><strong>Affected:</strong> Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> <p><strong>Affected:</strong> Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> https://vulnerability.circl.lu/vuln/bell-cve-2026-90066 https://vulnerability.circl.lu/vuln/fkie_cve-2026-90066 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify</p> <p>ftrace_direct_multi_init() assigns kthread_run()&#39;s return value to simple_tsk without an IS_ERR() check. When kthread_run() fails it returns ERR_PTR(-ENOMEM), but init still returns 0, so the module loads with simple_tsk holding an error pointer. On unload, ftrace_direct_multi_exit() then passes that ERR_PTR to kthread_stop(), leading to a null-pointer-dereference.</p> <p>Check the return value of kthread_run() with IS_ERR(); on failure, unregister the ftrace direct call and propagate the error code.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify</p> <p>ftrace_direct_multi_init() assigns kthread_run()&#39;s return value to simple_tsk without an IS_ERR() check. When kthread_run() fails it returns ERR_PTR(-ENOMEM), but init still returns 0, so the module loads with simple_tsk holding an error pointer. On unload, ftrace_direct_multi_exit() then passes that ERR_PTR to kthread_stop(), leading to a null-pointer-dereference.</p> <p>Check the return value of kthread_run() with IS_ERR(); on failure, unregister the ftrace direct call and propagate the error code.</p> https://vulnerability.circl.lu/vuln/fkie_cve-2026-90066 https://vulnerability.circl.lu/vuln/ghsa-h42m-cfhq-9g8c <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify</p> <p>ftrace_direct_multi_init() assigns kthread_run()&#39;s return value to simple_tsk without an IS_ERR() check. When kthread_run() fails it returns ERR_PTR(-ENOMEM), but init still returns 0, so the module loads with simple_tsk holding an error pointer. On unload, ftrace_direct_multi_exit() then passes that ERR_PTR to kthread_stop(), leading to a null-pointer-dereference.</p> <p>Check the return value of kthread_run() with IS_ERR(); on failure, unregister the ftrace direct call and propagate the error code.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify</p> <p>ftrace_direct_multi_init() assigns kthread_run()&#39;s return value to simple_tsk without an IS_ERR() check. When kthread_run() fails it returns ERR_PTR(-ENOMEM), but init still returns 0, so the module loads with simple_tsk holding an error pointer. On unload, ftrace_direct_multi_exit() then passes that ERR_PTR to kthread_stop(), leading to a null-pointer-dereference.</p> <p>Check the return value of kthread_run() with IS_ERR(); on failure, unregister the ftrace direct call and propagate the error code.</p> https://vulnerability.circl.lu/vuln/ghsa-h42m-cfhq-9g8c https://vulnerability.circl.lu/vuln/msrc_cve-2026-90066 msrc_CVE-2026-90066 https://vulnerability.circl.lu/vuln/msrc_cve-2026-90066 https://vulnerability.circl.lu/vuln/opensuse-su-2026:11880-1 <p>kernel-devel-7.2.7-1.1 on GA media</p> <p>kernel-devel-7.2.7-1.1 on GA media</p> https://vulnerability.circl.lu/vuln/opensuse-su-2026:11880-1 https://vulnerability.circl.lu/vuln/ubuntu-cve-2026-90066 <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 154 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify ftrace_direct_multi_init() assigns kthread_run()&#39;s return value to simple_tsk without an IS_ERR() check. When kthread_run() fails it returns ERR_PTR(-ENOMEM), but init still returns 0, so the module loads with simple_tsk holding an error pointer. On unload, ftrace_direct_multi_exit() then passes that ERR_PTR to kthread_stop(), leading to a null-pointer-dereference. Check the return value of kthread_run() with IS_ERR(); on failure, unregister the ftrace direct call and propagate the error code.</p> <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 154 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify ftrace_direct_multi_init() assigns kthread_run()&#39;s return value to simple_tsk without an IS_ERR() check. When kthread_run() fails it returns ERR_PTR(-ENOMEM), but init still returns 0, so the module loads with simple_tsk holding an error pointer. On unload, ftrace_direct_multi_exit() then passes that ERR_PTR to kthread_stop(), leading to a null-pointer-dereference. Check the return value of kthread_run() with IS_ERR(); on failure, unregister the ftrace direct call and propagate the error code.</p> https://vulnerability.circl.lu/vuln/ubuntu-cve-2026-90066