https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 08:31:07 +0000 https://cve.radiocsirt.org/vuln/cve-2021-47254 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>gfs2: Fix use-after-free in gfs2_glock_shrink_scan</p> <p>The GLF_LRU flag is checked under lru_lock in gfs2_glock_remove_from_lru() to remove the glock from the lru list in __gfs2_glock_put().</p> <p>On the shrink scan path, the same flag is cleared under lru_lock but because of cond_resched_lock(&amp;lru_lock) in gfs2_dispose_glock_lru(), progress on the put side can be made without deleting the glock from the lru list.</p> <p>Keep GLF_LRU across the race window opened by cond_resched_lock(&amp;lru_lock) to ensure correct behavior on both sides - clear GLF_LRU after list_del under lru_lock.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>gfs2: Fix use-after-free in gfs2_glock_shrink_scan</p> <p>The GLF_LRU flag is checked under lru_lock in gfs2_glock_remove_from_lru() to remove the glock from the lru list in __gfs2_glock_put().</p> <p>On the shrink scan path, the same flag is cleared under lru_lock but because of cond_resched_lock(&amp;lru_lock) in gfs2_dispose_glock_lru(), progress on the put side can be made without deleting the glock from the lru list.</p> <p>Keep GLF_LRU across the race window opened by cond_resched_lock(&amp;lru_lock) to ensure correct behavior on both sides - clear GLF_LRU after list_del under lru_lock.</p> https://cve.radiocsirt.org/vuln/cve-2021-47254