In the Linux kernel, the following vulnerability has been resolved: net/tls: Fix use-after-free after the TLS device goes down and up The Linux kernel CVE team has assigned CVE-2021-47131 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024031513-CVE-2021-47131-eafc@gregkh/T/#u
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2269821]
This was fixed for Fedora with the 5.12.10 stable kernel updates.
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-47131 is: CHECK Maybe valid. Check manually. with impact MODERATE (that is approximation based on flags REMOTE LOCK INIT UAF SKB ; these flags parsed automatically based on patche data). Such automatic check happens only for Low/Moderates (and only when not from reporter, but parsing already existing CVE). Highs always checked manually (I check it myself and then we check it again in Remediation team). In rare cases some of the Moderates could be increased to High later.