Update Linux to 5.10.12+, to mitigate CVE-2021-3347
Tails is vulnerable to a futex PI vulnerability. See CVE-2021-3347. This allows arbitrary code execution with the same severity of the recent sudo vuln that caused an emergency upgrade. Please provide an emergency upgrade to mitigate this issue.
See also this old ticket: #11524 (closed)
Upgrade process: https://tails.boum.org/contribute/Linux_kernel/