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Linux kernel 6.3 reaches end of life; the StackRot vulnerability is fixed in version 6.4
Open Source For You
|August 2023
Linux kernel 6.3 has reached its end of life and will no longer be supported by bug and security fixes. This announcement comes amidst the discovery of a critical vulnerability, dubbed StackRot (CVE-2023-3269), which affects Linux kernel versions 6.1 through 6.4. Attackers can exploit this vulnerability to escalate privileges on compromised systems.
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Security researcher Ruihan Li of Peking University in China uncovered the vulnerability, describing it as a pervasive issue that affects almost all Linux kernel configurations. Li emphasised that triggering the vulnerability requires minimal capabilities, making it a concerning threat to Linux users.
In response to the discovery, a dedicated team, led by Linux creator Linus Torvalds, worked tirelessly for two weeks to develop a set of patches addressing the vulnerability. The fix was merged into Linus’ tree during the merge window for Linux kernel 6.5 on June 28th.
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