https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 15:42:22 +0000 https://vulnerability.circl.lu/vuln/CERTFR-2025-AVI-0895 CERTFR-2025-AVI-0895 https://vulnerability.circl.lu/vuln/CERTFR-2025-AVI-0895 https://vulnerability.circl.lu/vuln/bdu:2026-02754 bdu:2026-02754 https://vulnerability.circl.lu/vuln/bdu:2026-02754 https://vulnerability.circl.lu/vuln/bell-cve-2025-39816 <p><strong>Affected:</strong> Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> <p><strong>Affected:</strong> Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> https://vulnerability.circl.lu/vuln/bell-cve-2025-39816 https://vulnerability.circl.lu/vuln/fkie_cve-2025-39816 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>io_uring/kbuf: always use READ_ONCE() to read ring provided buffer lengths</p> <p>Since the buffers are mapped from userspace, it is prudent to use READ_ONCE() to read the value into a local variable, and use that for any other actions taken. Having a stable read of the buffer length avoids worrying about it changing after checking, or being read multiple times.</p> <p>Similarly, the buffer may well change in between it being picked and being committed. Ensure the looping for incremental ring buffer commit stops if it hits a zero sized buffer, as no further progress can be made at that point.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>io_uring/kbuf: always use READ_ONCE() to read ring provided buffer lengths</p> <p>Since the buffers are mapped from userspace, it is prudent to use READ_ONCE() to read the value into a local variable, and use that for any other actions taken. Having a stable read of the buffer length avoids worrying about it changing after checking, or being read multiple times.</p> <p>Similarly, the buffer may well change in between it being picked and being committed. Ensure the looping for incremental ring buffer commit stops if it hits a zero sized buffer, as no further progress can be made at that point.</p> https://vulnerability.circl.lu/vuln/fkie_cve-2025-39816 https://vulnerability.circl.lu/vuln/ghsa-57pg-f379-59c5 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>io_uring/kbuf: always use READ_ONCE() to read ring provided buffer lengths</p> <p>Since the buffers are mapped from userspace, it is prudent to use READ_ONCE() to read the value into a local variable, and use that for any other actions taken. Having a stable read of the buffer length avoids worrying about it changing after checking, or being read multiple times.</p> <p>Similarly, the buffer may well change in between it being picked and being committed. Ensure the looping for incremental ring buffer commit stops if it hits a zero sized buffer, as no further progress can be made at that point.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>io_uring/kbuf: always use READ_ONCE() to read ring provided buffer lengths</p> <p>Since the buffers are mapped from userspace, it is prudent to use READ_ONCE() to read the value into a local variable, and use that for any other actions taken. Having a stable read of the buffer length avoids worrying about it changing after checking, or being read multiple times.</p> <p>Similarly, the buffer may well change in between it being picked and being committed. Ensure the looping for incremental ring buffer commit stops if it hits a zero sized buffer, as no further progress can be made at that point.</p> https://vulnerability.circl.lu/vuln/ghsa-57pg-f379-59c5 https://vulnerability.circl.lu/vuln/opensuse-su-2025-20081-1 <p>Security update for the Linux Kernel</p> <p>Security update for the Linux Kernel</p> https://vulnerability.circl.lu/vuln/opensuse-su-2025-20081-1 https://vulnerability.circl.lu/vuln/suse-su-2025:03601-1 <p>Security update for the Linux Kernel</p> <p>Security update for the Linux Kernel</p> https://vulnerability.circl.lu/vuln/suse-su-2025:03601-1 https://vulnerability.circl.lu/vuln/ubuntu-cve-2025-39816 <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 89 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: io_uring/kbuf: always use READ_ONCE() to read ring provided buffer lengths Since the buffers are mapped from userspace, it is prudent to use READ_ONCE() to read the value into a local variable, and use that for any other actions taken. Having a stable read of the buffer length avoids worrying about it changing after checking, or being read multiple times. Similarly, the buffer may well change in between it being picked and being committed. Ensure the looping for incremental ring buffer commit stops if it hits a zero sized buffer, as no further progress can be made at that point.</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 89 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: io_uring/kbuf: always use READ_ONCE() to read ring provided buffer lengths Since the buffers are mapped from userspace, it is prudent to use READ_ONCE() to read the value into a local variable, and use that for any other actions taken. Having a stable read of the buffer length avoids worrying about it changing after checking, or being read multiple times. Similarly, the buffer may well change in between it being picked and being committed. Ensure the looping for incremental ring buffer commit stops if it hits a zero sized buffer, as no further progress can be made at that point.</p> https://vulnerability.circl.lu/vuln/ubuntu-cve-2025-39816 https://vulnerability.circl.lu/vuln/wid-sec-w-2025-2077 <p>Ein 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 Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder nicht näher beschriebene Auswirkungen zu erzielen.</p> https://vulnerability.circl.lu/vuln/wid-sec-w-2025-2077