Wind River Security Vulnerability Notice: CVE-2021-33909 and CVE-2021-33910 of linux kernel and systemd
CVE-2021-33909:
fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does
not properly restrict seq buffer allocations, leading to an integer
overflow, an Out-of-bounds Write, and escalation to root by an
unprivileged user, aka CID-8cae8cd89f05.
CVE-2021-33910:
basic/unit-name.c in systemd 220 through 248 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.
All WRLinux releases after WRLinux-8 effected by this issue and need source patches to avoid it. For details please contact our support team.
https://nvd.nist.gov/vuln/detail/CVE-2021-33910
https://nvd.nist.gov/vuln/detail/CVE-2021-33909