A NULL pointer dereference flaw was found in the Linux kernel’s SELinux subsystem in versions before 5.7. This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol’s category bitmap into the SELinux extensible bitmap via the’ ebitmap_netlbl_import’ routine. While processing the CIPSO restricted bitmap tag in the ‘cipso_v4_parsetag_rbm’ routine, it sets the security attribute to indicate that the category bitmap is present, even if it has not been allocated. This issue leads to a NULL pointer dereference issue while importing the same category bitmap into SELinux. This flaw allows a remote network user to crash the system kernel, resulting in a denial of service.
3scale
CVE-2019-14836
A vulnerability was found that the 3scale dev portal does not employ mechanisms for protection against login CSRF. An attacker could use this flaw to access unauthorized information or conduct further attacks.
CVE-2019-14849
A vulnerability was found in 3scale before version 2.6, did not set the HTTPOnly attribute on the user session cookie. An attacker could use this to conduct cross site scripting attacks and gain access to unauthorized information.
CVE-2021-3814
It was found that 3scale’s APIdocs does not validate the access token, in the case of invalid token, it uses session auth instead. This conceivably bypasses access controls and permits unauthorized information disclosure.