Ubuntu 18.04 — mesa — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4271-1 Related CVEs: CVE-2019-5068 Upstream summary: Tim Brown discovered that Mesa incorrectly handled shared memory permissions. A local attacker could use this issue to obtain and possibly alter sensitive information […]