https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 09:09:02 +0000 https://vulnerability.circl.lu/vuln/cve-2022-49968 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ieee802154/adf7242: defer destroy_workqueue call</p> <p>There is a possible race condition (use-after-free) like below</p> <p>(FREE) | (USE) adf7242_remove | adf7242_channel cancel_delayed_work_sync | destroy_workqueue (1) | adf7242_cmd_rx | mod_delayed_work (2) |</p> <p>The root cause for this race is that the upper layer (ieee802154) is unaware of this detaching event and the function adf7242_channel can be called without any checks.</p> <p>To fix this, we can add a flag write at the beginning of adf7242_remove and add flag check in adf7242_channel. Or we can just defer the destructive operation like other commit 3e0588c291d6 (&#34;hamradio: defer ax25 kfree after unregister_netdev&#34;) which let the ieee802154_unregister_hw() to handle the synchronization. This patch takes the second option.</p> <p>runs&#34;)</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ieee802154/adf7242: defer destroy_workqueue call</p> <p>There is a possible race condition (use-after-free) like below</p> <p>(FREE) | (USE) adf7242_remove | adf7242_channel cancel_delayed_work_sync | destroy_workqueue (1) | adf7242_cmd_rx | mod_delayed_work (2) |</p> <p>The root cause for this race is that the upper layer (ieee802154) is unaware of this detaching event and the function adf7242_channel can be called without any checks.</p> <p>To fix this, we can add a flag write at the beginning of adf7242_remove and add flag check in adf7242_channel. Or we can just defer the destructive operation like other commit 3e0588c291d6 (&#34;hamradio: defer ax25 kfree after unregister_netdev&#34;) which let the ieee802154_unregister_hw() to handle the synchronization. This patch takes the second option.</p> <p>runs&#34;)</p> https://vulnerability.circl.lu/vuln/cve-2022-49968