Linux Kernel 4.4.1 – REFCOUNT Overflow/Use-After-Free in Keyrings Privilege Escalation vulnerability
CVE-2016-0728: The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.
Impact: Local attackers may exploit this issue to gain root privileges.
Mitigation: Vendor has released patch version.
Press release April 2023: Situational Security Alerts from CIRT
21 Apr 2023 - Articles, English articles, News, Notice, Security Advisories & Alerts
Security Best Practices
29 Mar 2023 - Security Advisories & Alerts