https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 09:31:22 +0000 https://vulnerability.circl.lu/vuln/cve-2026-97521 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>gfs2: fix quota init duplicate scan</p> <p>gfs2_quota_init() checks for duplicate quota_change IDs while holding qd_lock and the quota hash bucket bitlock. That path used gfs2_qd_search_bucket(), which takes a lockref reference via lockref_get_not_dead().</p> <p>On PREEMPT_RT this may sleep, which is not allowed under the bucket bitlock, triggering &#34;sleeping function called from invalid context&#34;.</p> <p>Use a no-ref bucket lookup in this path, then continue duplicate handling without taking a lockref there.</p> <p>Refactor gfs2_qd_search_bucket() to build on top of the no-ref helper so lookup traversal stays in one place.</p> <p>This patch fixes a bug reported by syzbot.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>gfs2: fix quota init duplicate scan</p> <p>gfs2_quota_init() checks for duplicate quota_change IDs while holding qd_lock and the quota hash bucket bitlock. That path used gfs2_qd_search_bucket(), which takes a lockref reference via lockref_get_not_dead().</p> <p>On PREEMPT_RT this may sleep, which is not allowed under the bucket bitlock, triggering &#34;sleeping function called from invalid context&#34;.</p> <p>Use a no-ref bucket lookup in this path, then continue duplicate handling without taking a lockref there.</p> <p>Refactor gfs2_qd_search_bucket() to build on top of the no-ref helper so lookup traversal stays in one place.</p> <p>This patch fixes a bug reported by syzbot.</p> https://vulnerability.circl.lu/vuln/cve-2026-97521