Linux

Ubuntu 16.04 — cloud-init — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — cloud-init — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • November 13, 2024
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2024 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7677-1 Related CVEs: CVE-2024-6174 CVE-2024-11584 CVE-2023-1786 https://bugs.launchpad.net/cloud-init/+bug/2013967 Upstream summary: Harry Sintonen discovered that the hotplugd socket in cloud-init was world writable. An attacker could possibly use this issue to send […]

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Ubuntu 20.04 — nova — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nova — multiple vulnerabilities (11 CVEs) — patch and remediation guide

  • November 13, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 November 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6911-1 Related CVEs: CVE-2024-40767 CVE-2024-32498 https://launchpad.net/bugs/2020111 https://launchpad.net/bugs/2019460 CVE-2023-2088 CVE-2015-9543 CVE-2017-18191 CVE-2020-17376  +3 more Upstream summary: Arnaud Morin discovered that Nova incorrectly handled certain raw format images. An authenticated user could […]

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Oracle Linux 9 — fence-agents — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — fence-agents — vulnerability — patch and remediation guide (ELSA-2024-3820)

  • November 13, 2024
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3820 Related CVEs: CVE-2024-34064 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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openSUSE Leap 15.5 — trivy — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — trivy — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • November 13, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0268-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-6257 CVE-2023-42363 CVE-2024-35192 Upstream summary: HashiCorp's go-getter library can be coerced into executing Git update on an existing maliciously modified Git Configuration, potentially leading […]

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openSUSE Leap 15.5 — perl-CryptX — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — perl-CryptX — vulnerability — patch and remediation guide

  • November 13, 2024
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0112-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-25099 Upstream summary: In the CryptX module before 0.062 for Perl, gcm_decrypt_verify() and chacha20poly1305_decrypt_verify() do not verify the tag. Table of contents Symptom & […]

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Common Problems 116438

Ubuntu 24.04 LTS DKMS Module Build Failure After Kernel Update

  • November 12, 2024
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 12 November 2024 Affected versions: Ubuntu 24.04 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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Debian 12 — rsyslog — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rsyslog — multiple vulnerabilities (16 CVEs) — patch and remediation guide

  • November 12, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 November 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5617 CVE-2008-5618 CVE-2011-1488 CVE-2011-1489 CVE-2011-1490 CVE-2011-3200 CVE-2011-4623 CVE-2014-3634  +8 more Upstream summary: The ACL handling in rsyslog 3.12.1 to 3.20.0, 4.1.0, and 4.1.1 does not follow $AllowedSender directive, […]

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Debian 12 — unadf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — unadf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • November 12, 2024
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 12 November 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-1243 CVE-2016-1244 Upstream summary: Stack-based buffer overflow in the extractTree function in unADF allows remote attackers to execute arbitrary code via a long pathname. Table of contents Symptom […]

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Amazon Linux 2 — python3-requests — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python3-requests — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • November 12, 2024
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2906 Related CVEs: CVE-2024-47081 CVE-2024-35195 CVE-2023-32681 Upstream summary: Requests is a HTTP library. Due to a URL parsing issue, Requests releases prior to 2.32.4 may leak .netrc credentials to third […]

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Debian 12 — libhtml-stripscripts-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libhtml-stripscripts-perl — vulnerability — patch and remediation guide

  • November 12, 2024
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 12 November 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-24038 Upstream summary: The HTML-StripScripts module through 1.06 for Perl allows _hss_attval_style ReDoS because of catastrophic backtracking for HTML content with certain style attributes. Table of contents Symptom […]

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