![]() Another workaround suggested by Microsoft Azure is simply "to reboot impacted VM instances so that they receive a fresh DHCP lease and new DNS resolver(s).Explore some of the most popular Azure products Other Ubuntu releases, including xenial, trusty, jammy and focal are not affected.įor those who have already applied the errant patch, there's a workaround that involves editing the nf file. "Therefore, other functions and callbacks called can dereference the DNSStream object, causing the use-after-free when the reference is still used later."īut applying the patch breaks DNS on Ubuntu 18.04, or rather it did – the buggy update has been withdrawn for repairs. "This issue occurs due to the on_stream_io() function and dns_stream_complete() function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object," explains RedHat's bug report. It addresses CVE-2022-2526, a use-after-free() vulnerability that could be exploited to cause a crash or to run arbitrary code on a vulnerable box. ![]() Kylin: The multiple semi-official Chinese versions of Ubuntu.We tested all the Ubuntu remixes for resource usage so you don't have to.Systemd supremo Lennart Poettering leaves Red Hat for Microsoft.It anticipates its next update around 2100 UTC, "or as events warrant." Microsoft Azure's most recent update occurred just after 1500 UTC.
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