https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 23:24:00 +0000 https://vulnerability.circl.lu/vuln/cve-2026-46267 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nfc: hci: shdlc: Stop timers and work before freeing context</p> <p>llc_shdlc_deinit() purges SHDLC skb queues and frees the llc_shdlc structure while its timers and state machine work may still be active.</p> <p>Timer callbacks can schedule sm_work, and sm_work accesses SHDLC state and the skb queues. If teardown happens in parallel with a queued/running work item, it can lead to UAF and other shutdown races.</p> <p>Stop all SHDLC timers and cancel sm_work synchronously before purging the queues and freeing the context.</p> <p>Found by Linux Verification Center (linuxtesting.org) with SVACE.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nfc: hci: shdlc: Stop timers and work before freeing context</p> <p>llc_shdlc_deinit() purges SHDLC skb queues and frees the llc_shdlc structure while its timers and state machine work may still be active.</p> <p>Timer callbacks can schedule sm_work, and sm_work accesses SHDLC state and the skb queues. If teardown happens in parallel with a queued/running work item, it can lead to UAF and other shutdown races.</p> <p>Stop all SHDLC timers and cancel sm_work synchronously before purging the queues and freeing the context.</p> <p>Found by Linux Verification Center (linuxtesting.org) with SVACE.</p> https://vulnerability.circl.lu/vuln/cve-2026-46267