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The Debian Project announced this week a massive Linux kernel security update for its Debian GNU/Linux 11 “Bullseye” operating system series to address 19 security vulnerabilities discovered by various security researchers in the upstream Linux 5.10 LTS kernel, which may lead to a privilege escalation, denial of service or information leaks.
Patched in this new Linux kernel security update for Debian GNU/Linux 11, there’s CVE-2021-4197, a security vulnerability reported by Eric Biederman in the cgroup process migration implementation, which could allow a local attacker to escalate privileges, as well as CVE-2022-0168, a NULL pointer dereference flaw found in the CIFS client implementation, which can allow a local attacker with CAP_SYS_ADMIN privileges to crash the system.
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