Astra Linux – Vulnerability in Linux

The fs/seqfile.c file in the Linux kernel versions 3.16 through 5.13.x, prior to 5.13.4, does not properly restrict seq buffer allocations. This results in an integer overflow, an Out-of-bounds Write, and an escalation of privileges to the root user by an unprivileged user, identified as...

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...