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SUSE-SU-2023:2368-1

Vulnerability from csaf_suse - Published: 2023-06-05 07:49 - Updated: 2023-06-05 07:49
Summary
Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP4)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP4)
Description of the patch: This update for the Linux Kernel 5.14.21-150400_15_23 fixes several issues. The following security issues were fixed: - CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499). - CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662). - CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).
Patchnames: SUSE-2023-2368,SUSE-SLE-Module-Live-Patching-15-SP4-2023-2368
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-2023-0386
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_23-rt-2-150400.2.2.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2023-2162
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 1 product, the same list as for CVE-2023-0386
Threats
Impact important
CVE-2023-23454
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 1 product, the same list as for CVE-2023-0386
Threats
Impact important
References
To clipboard 

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          "text": "A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel\u0027s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.",
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          "category": "general",
          "text": "A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.",
          "title": "CVE description"
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        }
      ],
      "title": "CVE-2023-23454"
    }
  ]
}



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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.


Detection rules are retrieved from Rulezet.


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.