ubuntu

Ubuntu 22.04 — linux-oem-6.1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-oem-6.1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6706-1 Related CVEs: CVE-2023-6039 CVE-2023-46838 CVE-2023-50431 CVE-2023-52436 CVE-2023-52438 CVE-2023-52439 CVE-2023-52443 CVE-2023-52444  +12 more Upstream summary: It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a […]

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Ubuntu 22.04 — kvmtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — kvmtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8172-1 Related CVEs: CVE-2023-2861 CVE-2021-45464 Upstream summary: It was discovered that kvmtool did not properly manage memory under certain circumstances. A malicious guest attacker could use this issue to cause […]

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Ubuntu 16.04 — exim4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — exim4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6939-1 Related CVEs: CVE-2024-39929 CVE-2021-38371 CVE-2023-51766 CVE-2023-42117 CVE-2023-42119 CVE-2023-42114 CVE-2023-42115 CVE-2023-42116  +12 more Upstream summary: Phillip Szelat discovered that Exim misparses multiline MIME header filenames. A remote attacker could use […]

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Ubuntu 20.04 — nvidia-graphics-drivers-510-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nvidia-graphics-drivers-510-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in some situations. A local user could use […]

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Ubuntu 20.04 — pixman — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pixman — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5718-1 Related CVEs: CVE-2022-44638 Upstream summary: Maddie Stone discovered that pixman incorrectly handled certain memory operations. A remote attacker could use this issue to cause pixman to crash, resulting in […]

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Ubuntu 20.04 — zlib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zlib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5570-2 Related CVEs: CVE-2022-37434 CVE-2018-25032 Upstream summary: USN-5570-1 fixed a vulnerability in zlib. This update provides the corresponding update for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS. Original advisory details: […]

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Ubuntu 24.04 — wheel — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — wheel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8221-1 Related CVEs: CVE-2026-24049 Upstream summary: It was discovered that wheel did not correctly handle certain file paths. If a user or automated system were tricked into opening a specially […]

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Ubuntu 18.04 — grub2-unsigned — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — grub2-unsigned — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4992-1 Related CVEs: CVE-2020-14372 CVE-2020-25632 CVE-2020-27749 CVE-2020-27779 CVE-2021-20225 CVE-2021-20233 https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass2021 Upstream summary: Máté Kukri discovered that the acpi command in GRUB 2 allowed privileged users to load crafted ACPI tables […]

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Ubuntu 14.04 — poppler — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — poppler — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3905-1 Related CVEs: CVE-2019-9200 CVE-2018-20551 CVE-2019-7310 CVE-2018-20481 CVE-2018-20650 CVE-2018-16646 CVE-2018-19149 CVE-2018-19058  +12 more Upstream summary: It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use […]

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