kernel: size_t-to-int conversion vulnerability in the filesystem layer

An out-of-bounds write flaw was found in the Linux kernel's seqfile in the Filesystem layer. This flaw allows a local attacker with a user privilege to gain access to out-of-bound memory, leading to a system crash, leak of internal kernel information and can escalate privileges. The issue results...

PT-2021-1515

Name of the Vulnerable Software and Affected Versions Linux kernel versions 3.16 through 5.13.x before 5.13.4 Description The issue is related to an integer overflow and out-of-bounds write in the Linux kernel's filesystem layer, specifically in the fs/seq file.c component. This can be exploited ...