Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988811)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988811 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: fix memory leak in fib6rulesuppress The kernel leaks memory when a fib rule is present in...

Linux Distros Unpatched Vulnerability : CVE-2021-47546

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ipv6: fix memory leak in fib6rulesuppress The kernel leaks memory when a fib rule is present...

kernel: ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6rules: avoid possible NULL dereference in fib6ruleaction syzbot is able to trigger the following crash 1, caused by unsafe ip6dstidev use. Indeed ip6dstidev can return NULL, and must always be checked. 1 Oops: general...

CVE-2021-47546

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix memory leak in fib6rulesuppress The kernel leaks memory when a fib rule is present in IPv6 nftables firewall rules and a suppressprefix rule is present in the IPv6 routing rules used by certain tools such as wg-quick. I...

UBUNTU-CVE-2023-3022

A flaw was found in the IPv6 module of the Linux kernel. The arg.result was not used consistently in fib6rulelookup, sometimes holding rt6info and other times fib6info. This was not accounted for in other parts of the code where rt6info was expected unconditionally, potentially leading to a kerne...

PT-2019-4349 · Linux +2 · Linux +2

Name of the Vulnerable Software and Affected Versions: Linux versions prior to 5.3.4 Description: A local attacker can exploit a reference count usage error in the fib6 rule suppress function in the fib6 suppression feature of the net/ipv6/fib6 rules.c file, when handling the FIB LOOKUP NOREF fla...