CVE-2021-47221

In the Linux kernel, the following vulnerability has been resolved: mm/slub: actually fix freelist pointer vs redzoning It turns out that SLUB redzoning "slubdebug=Z" checks from s-objectsize rather than from s-inuse which is normally bumped to make room for the freelist pointer, so a cache creat...

UBUNTU-CVE-2021-47221

In the Linux kernel, the following vulnerability has been resolved: mm/slub: actually fix freelist pointer vs redzoning It turns out that SLUB redzoning "slubdebug=Z" checks from s-objectsize rather than from s-inuse which is normally bumped to make room for the freelist pointer, so a cache creat...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel, which stems from the fact that a cache created using an object size of less than 24 can cause the freelist pointer to write beyond s-objectsize,...

PT-2024-11230 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the SLUB redzoning feature in the Linux kernel, which checks for corruption from s-object size instead of s-inuse. This can cause the freelist pointer to be...