RHSA-2020:5437

Vulnerability from csaf_opensuse - Published: 2020-12-15 00:00 - Updated: 2026-09-20 11:12
Summary
security update for kernel
Severity
Important
Notes
Title of the patch: security update for kernel
Description of the patch: This security update provides a functional equivalent of RHSA-2020:5437. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2020:5437.
Patchnames: RHSA-2020:5437
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2019-18282
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 7:bpftool-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-abi-whitelists-0:3.10.0-1160.11.1.el7.noarch —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-debug-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-debug-devel-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-devel-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-doc-0:3.10.0-1160.11.1.el7.noarch —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-headers-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-tools-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-tools-libs-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:kernel-tools-libs-devel-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:perf-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:python-perf-0:3.10.0-1160.11.1.el7.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2020-10769
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 13 products, the same list as for CVE-2019-18282
Threats
Impact moderate
CVE-2020-14314
2.8 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Affected products
Recommended 13 products, the same list as for CVE-2019-18282
Threats
Impact moderate
CVE-2020-14385
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 13 products, the same list as for CVE-2019-18282
Threats
Impact moderate
CVE-2020-24394
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 13 products, the same list as for CVE-2019-18282
Threats
Impact important
CVE-2020-25212
7.4 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 13 products, the same list as for CVE-2019-18282
Threats
Impact important
CVE-2020-25643
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 13 products, the same list as for CVE-2019-18282
Threats
Impact important
References
To clipboard 

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  "vulnerabilities": [
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      "cve": "CVE-2019-18282",
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-18282"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd value as a secret, and because jhash (instead of siphash) is used. The hashrnd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.",
          "title": "CVE description"
        }
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        {
          "category": "external",
          "summary": "SUSE Bug 1161121 for CVE-2019-18282",
          "url": "https://bugzilla.suse.com/1161121"
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        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-10769"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm\u0027s module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service.",
          "title": "CVE description"
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      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-14314"
        }
      ],
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        {
          "category": "general",
          "text": "A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.",
          "title": "CVE description"
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          "text": "A flaw was found in the Linux kernel before 5.9-rc4. A failure of the file system metadata validator in XFS can cause an inode with a valid, user-creatable extended attribute to be flagged as corrupt. This can lead to the filesystem being shutdown, or otherwise rendered inaccessible until it is remounted, leading to a denial of service. The highest threat from this vulnerability is to system availability.",
          "title": "CVE description"
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            "SUSE Liberty Linux 7:kernel-tools-libs-0:3.10.0-1160.11.1.el7.x86_64",
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      "threats": [
        {
          "category": "impact",
          "date": "2020-12-15T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-14385"
    },
    {
      "cve": "CVE-2020-24394",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-24394"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "summary": "CVE-2020-24394",
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        },
        {
          "category": "external",
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        {
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          "summary": "SUSE Bug 1175992 for CVE-2020-24394",
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      "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",
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      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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            "SUSE Liberty Linux 7:kernel-tools-libs-0:3.10.0-1160.11.1.el7.x86_64",
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            "SUSE Liberty Linux 7:python-perf-0:3.10.0-1160.11.1.el7.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-12-15T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-24394"
    },
    {
      "cve": "CVE-2020-25212",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-25212"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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    {
      "cve": "CVE-2020-25643",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-25643"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "CVE description"
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            "SUSE Liberty Linux 7:kernel-doc-0:3.10.0-1160.11.1.el7.noarch",
            "SUSE Liberty Linux 7:kernel-headers-0:3.10.0-1160.11.1.el7.x86_64",
            "SUSE Liberty Linux 7:kernel-tools-0:3.10.0-1160.11.1.el7.x86_64",
            "SUSE Liberty Linux 7:kernel-tools-libs-0:3.10.0-1160.11.1.el7.x86_64",
            "SUSE Liberty Linux 7:kernel-tools-libs-devel-0:3.10.0-1160.11.1.el7.x86_64",
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      "threats": [
        {
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          "details": "important"
        }
      ],
      "title": "CVE-2020-25643"
    }
  ]
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.