Debian Releases Major Linux Kernel Security Update to Fix the Infamous TCP Flaw

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  • Post Updated: April 3, 2024

Debian Project has recently released a new update to the kernel packages of its current stable distribution, namely Debian GNU/Linux 8.5 “Jessie,” patching four security flaws discovered by various hackers and researchers.

Salvatore Bonaccorso is the one to inform the community about the new Linux kernel security update for Debian Jessie via the Debian Security Advisory DSA-3659-1 announcement, which details a total of four security flaws, namely CVE-2016-5696, CVE-2016-6136, CVE-2016-6480, and CVE-2016-6828.

However, it appears that the most important one is CVE-2016-5696, describing a serious bug in Linux kernel’s TCP (Transmission Control Protocol) implementation, whose Challenge ACK feature could have allowed an attacker to inject messages into the connections between specific IP addresses.

“Where a service is made available through TCP, this may allow remote attackers to impers… (read more)

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