Linux

Amazon Linux 2 — kernel-livepatch-4.14.355-276.618 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.355-276.618 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2025-242 Related CVEs: CVE-2023-53137 CVE-2025-21811 CVE-2025-21858 CVE-2025-21920 CVE-2024-47757 CVE-2024-49882 CVE-2024-50036 CVE-2024-50264  +2 more Upstream summary: In the Linux kernel, the following vulnerability has been resolved: ext4: Fix possible corruption when […]

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SLES 15 — udev — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — udev — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 5 July 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-21029 CVE-2026-4105 CVE-2023-26604 CVE-2017-18078 CVE-2018-15688 CVE-2018-16864 CVE-2018-16865 CVE-2018-6954  +12 more Upstream summary: systemd 239 through 245 accepts any certificate signed by a trusted certificate authority […]

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SLES 16 — libraw23 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libraw23 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 5 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:2300-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-8367 CVE-2026-20884 CVE-2026-20889 CVE-2026-20911 CVE-2026-21413 CVE-2026-24450 CVE-2026-24660 CVE-2018-10528  +12 more Upstream summary: The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory errors […]

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SLES 16 — afterburn — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — afterburn — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 5 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-27378 CVE-2021-32714 CVE-2022-24713 CVE-2020-35905 CVE-2020-36465 CVE-2021-32715 CVE-2021-38191 Upstream summary: An issue was discovered in the rand_core crate before 0.6.2 for Rust. Because read_u32_into and read_u64_into […]

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SLES 16 — keylime-config — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — keylime-config — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 5 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:2224 (see also SUSE bugzilla) Related CVEs: CVE-2026-1709 CVE-2025-13609 CVE-2021-43310 CVE-2022-1053 CVE-2022-23948 CVE-2022-23949 CVE-2022-23950 CVE-2022-23952  +6 more Upstream summary: A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-25754)

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-25754 Related CVEs: CVE-2025-22103 CVE-2025-22106 CVE-2025-22113 CVE-2025-22124 CVE-2025-23133 CVE-2025-38272 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Ubuntu 20.04 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8268-1 Related CVEs: CVE-2026-4890 CVE-2026-4891 CVE-2026-2291 CVE-2026-4892 CVE-2026-5172 CVE-2026-4893 CVE-2023-28450 CVE-2023-50387  +12 more Upstream summary: Andrew S. Fasano, Royce M, and Hugo Martinez Ray discovered that Dnsmasq did not allocate […]

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Rocky Linux 8 — python-toml — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python-toml — multiple vulnerabilities (18 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:5998 Related CVEs: CVE-2023-40217 CVE-2024-11168 CVE-2024-5642 CVE-2024-9287 CVE-2025-0938 CVE-2025-4138 CVE-2025-4330 CVE-2025-4435  +10 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high […]

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Common Problems 115977

Ubuntu 26.04 LTS – AppArmor profile denies custom service file access – Fix & Prevention

  • July 4, 2026
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 4 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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AlmaLinux 9 — python-pyasn1 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — python-pyasn1 — vulnerability — patch and remediation guide

  • July 4, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:3359 Related CVEs: CVE-2026-23490 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to […]

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