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Canonical published today a new security advisory to inform users of the Ubuntu Linux operating system about a kernel vulnerability affecting all supported releases and kernel flavors.
Discovered by William Liu and Jamie Hill-Daniel, the new security flaw (CVE-2022-0185) is an integer underflow vulnerability found in Linux kernel’s file system context functionality, which could allow an attacker to crash the system or run programs as an administrator.
The security vulnerability affects all supported Ubuntu releases, including Ubuntu 21.10 (Impish Indri) systems running Linux kernel 5.13, Ubuntu 21.04 (Hirsute Hippo) systems running Linux kernel 5.11, as well as Ubuntu 20.04 LTS (Focal Fossa) and Ubuntu 18.04 LTS (Bionic Beaver) systems running Linux kernel 5.4 LTS.
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