CVE-2021-4002
3Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackepss 0.5%
probabilidad de explotación
0.5%top 59% de las CVE
explotación observada
noninguna fuente lo reporta
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.
Productos afectados
n/a · kernelReferencias
https://bugzilla.redhat.com/show_bug.cgi?id=2025726https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13e4ad2ce8df6e058ef482a31fdd81c725b0f7eahttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4a118f2eead1d6c49e00765de89878288d4b890https://lists.debian.org/debian-lts-announce/2022/03/msg00011.htmlhttps://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlhttps://www.debian.org/security/2022/dsa-5096https://www.openwall.com/lists/oss-security/2021/11/25/1https://www.oracle.com/security-alerts/cpujul2022.html