Common Problems

Amazon Linux 2 — kernel-livepatch-4.14.318-240.529 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.318-240.529 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 30, 2023
  • 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-2023-148 Related CVEs: CVE-2023-3609 CVE-2023-3776 Upstream summary: A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will […]

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CentOS Stream 9 — libjpeg-turbo — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libjpeg-turbo — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 30, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 May 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:2295 Related CVEs: CVE-2021-29390 CVE-2021-46822 Upstream summary: The libjpeg-turbo packages contain a library of functions for manipulating JPEG images. They also contain simple client programs for accessing the libjpeg functions. These […]

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NetBSD 9.4 — suse_libjpeg — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — suse_libjpeg — vulnerability — patch and remediation guide

  • May 30, 2023
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2012-2806 Upstream summary: pkgsrc audit-packages flagged suse{,32}_libjpeg<12.1nb1 for vulnerability class 'arbitrary-code-execution'. Reference: http://support.novell.com/security/cve/CVE-2012-2806.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 8 — expat — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — expat — vulnerability — patch and remediation guide (ELSA-2022-6878)

  • May 30, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 30 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6878 Related CVEs: CVE-2022-40674 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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NetBSD 9.4 — ruby26-base — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby26-base — multiple vulnerabilities (17 CVEs) — patch and remediation guide

  • May 30, 2023
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-8324 CVE-2019-8320 CVE-2019-8321 CVE-2019-8322 CVE-2019-8323 CVE-2019-8325 CVE-2019-15845 CVE-2019-16254  +9 more Upstream summary: pkgsrc audit-packages flagged ruby26-base<2.6.1nb1 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-8324 Table of contents Symptom & Impact Environment […]

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Windows Server 2022 — KB5029650 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5029650 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5029650 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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NetBSD 9.4 — py-autobahn — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-autobahn — vulnerability — patch and remediation guide

  • May 29, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-35678 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39}-autobahn<20.12.3 for vulnerability class 'open-redirect'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-35678 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 9 — buildah — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — buildah — security and stability fixes — required update (ELSA-2023-2253)

  • May 29, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2253 Related CVEs: CVE-2022-41717 CVE-2022-30629 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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