https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 09 Oct 2026 17:23:55 +0000 https://cve.radiocsirt.org/vuln/bell-cve-2026-80756 <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://cve.radiocsirt.org/vuln/bell-cve-2026-80756 https://cve.radiocsirt.org/vuln/certfr-2026-avi-1163 certfr-2026-avi-1163 https://cve.radiocsirt.org/vuln/certfr-2026-avi-1163 https://cve.radiocsirt.org/vuln/euvd-2026-363387 EUVD-2026-363387 https://cve.radiocsirt.org/vuln/euvd-2026-363387 https://cve.radiocsirt.org/vuln/fkie_cve-2026-80756 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>selinux: do not cancel a policy conversion that never started</p> <p>sel_write_load() calls selinux_policy_cancel() when sel_make_policy_nodes() fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first policy load there is no outgoing policy: security_load_policy() returns early for that case, before it converts anything, and state-&gt;policy is still NULL. A first load that fails while building the selinuxfs tree therefore takes a NULL dereference in selinux_policy_cancel(), reached from a write(2) to /sys/fs/selinux/load.</p> <p>Skip the cancel when there is no old policy, mirroring the check security_load_policy() already makes before it converts.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>selinux: do not cancel a policy conversion that never started</p> <p>sel_write_load() calls selinux_policy_cancel() when sel_make_policy_nodes() fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first policy load there is no outgoing policy: security_load_policy() returns early for that case, before it converts anything, and state-&gt;policy is still NULL. A first load that fails while building the selinuxfs tree therefore takes a NULL dereference in selinux_policy_cancel(), reached from a write(2) to /sys/fs/selinux/load.</p> <p>Skip the cancel when there is no old policy, mirroring the check security_load_policy() already makes before it converts.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-80756 https://cve.radiocsirt.org/vuln/ghsa-crch-pp65-6j6f <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>selinux: do not cancel a policy conversion that never started</p> <p>sel_write_load() calls selinux_policy_cancel() when sel_make_policy_nodes() fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first policy load there is no outgoing policy: security_load_policy() returns early for that case, before it converts anything, and state-&gt;policy is still NULL. A first load that fails while building the selinuxfs tree therefore takes a NULL dereference in selinux_policy_cancel(), reached from a write(2) to /sys/fs/selinux/load.</p> <p>Skip the cancel when there is no old policy, mirroring the check security_load_policy() already makes before it converts.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>selinux: do not cancel a policy conversion that never started</p> <p>sel_write_load() calls selinux_policy_cancel() when sel_make_policy_nodes() fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first policy load there is no outgoing policy: security_load_policy() returns early for that case, before it converts anything, and state-&gt;policy is still NULL. A first load that fails while building the selinuxfs tree therefore takes a NULL dereference in selinux_policy_cancel(), reached from a write(2) to /sys/fs/selinux/load.</p> <p>Skip the cancel when there is no old policy, mirroring the check security_load_policy() already makes before it converts.</p> https://cve.radiocsirt.org/vuln/ghsa-crch-pp65-6j6f https://cve.radiocsirt.org/vuln/msrc_cve-2026-80756 msrc_CVE-2026-80756 https://cve.radiocsirt.org/vuln/msrc_cve-2026-80756 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-80756 <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 193 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: selinux: do not cancel a policy conversion that never started sel_write_load() calls selinux_policy_cancel() when sel_make_policy_nodes() fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first policy load there is no outgoing policy: security_load_policy() returns early for that case, before it converts anything, and state-&gt;policy is still NULL. A first load that fails while building the selinuxfs tree therefore takes a NULL dereference in selinux_policy_cancel(), reached from a write(2) to /sys/fs/selinux/load. Skip the cancel when there is no old policy, mirroring the check security_load_policy() already makes before it converts.</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 193 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: selinux: do not cancel a policy conversion that never started sel_write_load() calls selinux_policy_cancel() when sel_make_policy_nodes() fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first policy load there is no outgoing policy: security_load_policy() returns early for that case, before it converts anything, and state-&gt;policy is still NULL. A first load that fails while building the selinuxfs tree therefore takes a NULL dereference in selinux_policy_cancel(), reached from a write(2) to /sys/fs/selinux/load. Skip the cancel when there is no old policy, mirroring the check security_load_policy() already makes before it converts.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-80756 https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3152 <p>Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder nicht näher beschriebene Auswirkungen zu erzielen.</p> <p>Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder nicht näher beschriebene Auswirkungen zu erzielen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3152