CVE ID:	CVE-2021-4002
Description:	A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data.
Test IDs:	1.3.6.1.4.1.25623.1.0.705096   1.3.6.1.4.1.25623.1.0.892940   1.3.6.1.4.1.25623.1.0.845182   1.3.6.1.4.1.25623.1.0.892941   1.3.6.1.4.1.25623.1.1.12.2022.5211.1
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-4002 Debian Security Information: DSA-5096 (Google Search) https://www.debian.org/security/2022/dsa-5096 https://bugzilla.redhat.com/show_bug.cgi?id=2025726 https://bugzilla.redhat.com/show_bug.cgi?id=2025726 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13e4ad2ce8df6e058ef482a31fdd81c725b0f7ea https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13e4ad2ce8df6e058ef482a31fdd81c725b0f7ea https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4a118f2eead1d6c49e00765de89878288d4b890 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4a118f2eead1d6c49e00765de89878288d4b890 https://www.openwall.com/lists/oss-security/2021/11/25/1 https://www.openwall.com/lists/oss-security/2021/11/25/1 https://www.oracle.com/security-alerts/cpujul2022.html https://www.oracle.com/security-alerts/cpujul2022.html https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html