suse-su-2025:02051-1
Vulnerability from csaf_suse
Published
2025-06-20 12:42
Modified
2025-06-20 12:42
Summary
Security update for perl

Notes

Title of the patch
Security update for perl
Description of the patch
This update for perl fixes the following issues: - CVE-2025-40909: do not change the current directory when cloning an open directory handle (bsc#1244079)
Patchnames
SUSE-2025-2051,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-2051
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for perl",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for perl fixes the following issues:\n\n- CVE-2025-40909: do not change the current directory when cloning an open directory handle (bsc#1244079)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2025-2051,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-2051",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
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        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_02051-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2025:02051-1",
        "url": "https://www.suse.com/support/update/announcement/2025/suse-su-202502051-1/"
      },
      {
        "category": "self",
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        "url": "https://lists.suse.com/pipermail/sle-updates/2025-June/040418.html"
      },
      {
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        "url": "https://bugzilla.suse.com/1244079"
      },
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        "summary": "SUSE CVE CVE-2025-40909 page",
        "url": "https://www.suse.com/security/cve/CVE-2025-40909/"
      }
    ],
    "title": "Security update for perl",
    "tracking": {
      "current_release_date": "2025-06-20T12:42:29Z",
      "generator": {
        "date": "2025-06-20T12:42:29Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2025:02051-1",
      "initial_release_date": "2025-06-20T12:42:29Z",
      "revision_history": [
        {
          "date": "2025-06-20T12:42:29Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
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  "vulnerabilities": [
    {
      "cve": "CVE-2025-40909",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-40909"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Perl threads have a working directory race condition where file operations may target unintended paths.\n\nIf a directory handle is open at thread creation, the process-wide current working directory is temporarily changed in order to clone  that handle for the new thread, which is visible from any third (or  more) thread already running. \n\nThis may lead to unintended operations  such as loading code or accessing files from unexpected locations,  which a local attacker may be able to exploit.\n\nThe bug was introduced in commit  11a11ecf4bea72b17d250cfb43c897be1341861e and released in Perl version 5.13.6",
          "title": "CVE description"
        }
      ],
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      "references": [
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          "summary": "CVE-2025-40909",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1244079 for CVE-2025-40909",
          "url": "https://bugzilla.suse.com/1244079"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-06-20T12:42:29Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2025-40909"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.