Linux

Oracle Linux 9 — python3.9 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.9 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-8353)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8353 Related CVEs: CVE-2021-28861 CVE-2015-20107 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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Debian 11 — puma — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — puma — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16770 CVE-2020-11076 CVE-2020-11077 CVE-2020-5247 CVE-2020-5249 CVE-2021-29509 CVE-2021-41136 CVE-2022-23634  +4 more Upstream summary: In Puma before versions 3.12.2 and 4.3.1, a poorly-behaved client could use keepalive requests to monopolize […]

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Debian 11 — rzip — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rzip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8364 Upstream summary: The read_buf function in stream.c in rzip 2.1 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly […]

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Debian 11 — crasm — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — crasm — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-23108 CVE-2023-23109 Upstream summary: In crasm 1.8-3, invalid input validation, specific files passed to the command line application, can lead to a NULL pointer dereference in the function […]

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Amazon Linux 2 — jose — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — jose — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2024-2529 Related CVEs: CVE-2023-50967 Upstream summary: latchset jose through version 11 allows attackers to cause a denial of service (CPU consumption) via a large p2c (aka PBES2 Count) value. (CVE-2023-50967) […]

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Debian 11 — jose — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — jose — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-50967 Upstream summary: latchset jose through version 11 allows attackers to cause a denial of service (CPU consumption) via a large p2c (aka PBES2 Count) value. Table of […]

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Debian 11 — libxres — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxres — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1988 Upstream summary: Multiple integer overflows in X.org libXRes 1.0.6 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related […]

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Ubuntu 16.04 — debian-goodies — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — debian-goodies — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8109-1 Related CVEs: CVE-2023-27635 Upstream summary: Jakub Wilk discovered that debmany in Debian Goodies incorrectly handled certain deb files. An attacker could possibly use this issue to execute arbitrary shell […]

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Ubuntu 22.04 — linux-starfive-6.2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-starfive-6.2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6520-1 Related CVEs: CVE-2023-25775 CVE-2023-31083 CVE-2023-31085 CVE-2023-3772 CVE-2023-38430 CVE-2023-38432 CVE-2023-3863 CVE-2023-3865  +12 more Upstream summary: Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9931)

🟠 High   ⏱ 15–60 min  Last verified: 7 February 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9931 Related CVEs: CVE-2022-3028 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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