Vulnerability-Lookup

OESA-2022-2134 (CVE-2022-45934)

Vulnerability from osv_openeuler – Published: 2022-12-09 11:05 – Updated: 2026-08-06 11:05 – Source website

Summary

kernel security update

Details

The Linux Kernel, the operating system core itself.

Security Fix(es):

An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.(CVE-2022-45934)

There are null-ptr-deref vulnerabilities in drivers/net/slip of linux that allow attacker tocrash linux kernel by simulating slip network card from user-space of linux.[Root cause]When a slip driver is detaching, the slip_close() will act tocleanup necessary resources and sl->tty is set to NULL inslip_close(). Meanwhile, the packet we transmit is blocked,sl_tx_timeout() will be called. Although slip_close() andsl_tx_timeout() use sl->lock to synchronize, we don`t judgewhether sl-> tty equals to NULL in sl_tx_timeout() and thenull pointer dereference bug will happen.(Thread 1) | (Thread 2)| slip_close()| spin_lock_bh(& sl-> lock) sl-> tty = NULL //(1)sl_tx_timeout() | spin_unlock_bh(& sl->lock)spin_lock(& sl-> lock);tty_chars_in_buffer(sl-> tty)|if (tty-> ops-> ..) //(2)synchronize_rcu()We set NULL to sl-> tty in position (1) and dereference sl-> ttyin position (2).(CVE-2022-41858)

A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.(CVE-2022-4095)

Severity

7.8 (High)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-45934	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-41858	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-4095	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "perf-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "kernel-devel-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "kernel-tools-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "kernel-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "python2-perf-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "python3-perf-debuginfo-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "kernel-debugsource-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "python2-perf-debuginfo-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
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          "bpftool-debuginfo-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "kernel-debuginfo-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "kernel-tools-devel-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "python3-perf-4.19.90-2212.1.0.0180.oe1.aarch64.rpm",
          "kernel-source-4.19.90-2212.1.0.0180.oe1.aarch64.rpm"
        ],
        "src": [
          "kernel-4.19.90-2212.1.0.0180.oe1.src.rpm"
        ],
        "x86_64": [
          "python2-perf-debuginfo-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "kernel-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "bpftool-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "bpftool-debuginfo-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
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          "kernel-debuginfo-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "kernel-source-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "kernel-tools-devel-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "python2-perf-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "kernel-devel-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "kernel-tools-debuginfo-4.19.90-2212.1.0.0180.oe1.x86_64.rpm",
          "python3-perf-debuginfo-4.19.90-2212.1.0.0180.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP3",
        "name": "kernel",
        "purl": "pkg:rpm/openEuler/kernel\u0026distro=openEuler-20.03-LTS-SP3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.19.90-2212.1.0.0180.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.(CVE-2022-45934)\n\nThere are null-ptr-deref vulnerabilities in drivers/net/slip of linux that allow attacker tocrash linux kernel by simulating slip network card from user-space of linux.[Root cause]When a slip driver is detaching, the slip_close() will act tocleanup necessary resources and sl-\u003etty is set to NULL inslip_close(). Meanwhile, the packet we transmit is blocked,sl_tx_timeout() will be called. Although slip_close() andsl_tx_timeout() use sl-\u003elock to synchronize, we don`t judgewhether sl-\u0026gt; tty equals to NULL in sl_tx_timeout() and thenull pointer dereference bug will happen.(Thread 1) | (Thread 2)| slip_close()| spin_lock_bh(\u0026amp; sl-\u0026gt; lock) sl-\u0026gt; tty = NULL //(1)sl_tx_timeout() | spin_unlock_bh(\u0026amp; sl-\u0026gt;lock)spin_lock(\u0026amp; sl-\u0026gt; lock);tty_chars_in_buffer(sl-\u0026gt; tty)|if (tty-\u0026gt; ops-\u0026gt; ..) //(2)synchronize_rcu()We set NULL to sl-\u0026gt; tty in position (1) and dereference sl-\u0026gt; ttyin position (2).(CVE-2022-41858)\n\nA use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.(CVE-2022-4095)",
  "id": "OESA-2022-2134",
  "modified": "2026-08-06T11:05:27Z",
  "published": "2022-12-09T11:05:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2134"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45934"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-41858"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-4095"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "kernel security update",
  "upstream": [
    "CVE-2022-45934",
    "CVE-2022-41858",
    "CVE-2022-4095"
  ]
}

CVE-2022-4095 (GCVE-0-2022-4095)

Vulnerability from cvelistv5 – Published: 2023-03-22 00:00 – Updated: 2025-02-26 16:10

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-26 16:10 UTC

CWE

CWE-416

Assigner

redhat redhat root

References

2 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/t…
https://security.netapp.com/advisory/ntap-2023042…

Impacted products

1 product

Vendor	Product	Version
n/a	Kernel	Affected: Linux Kernel prior to kernel 6.0 rc4

Show details on NVD website

JSON

To clipboard

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    "adp": [
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CVE-2022-41858 (GCVE-0-2022-41858)

Vulnerability from cvelistv5 – Published: 2023-01-17 00:00 – Updated: 2025-04-07 16:46

Summary

A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-07 16:46 UTC

CWE

CWE-416

Assigner

redhat redhat root

References

2 references

URL	Tags
https://github.com/torvalds/linux/commit/ec4eb8a8…
https://security.netapp.com/advisory/ntap-2023022…

Impacted products

1 product

Vendor	Product	Version
n/a	Linux kernel	Affected: unknown

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
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CVE-2022-45934 (GCVE-0-2022-45934)

Vulnerability from cvelistv5 – Published: 2022-11-27 00:00 – Updated: 2025-04-29 13:41

Summary

An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-29 13:40 UTC

CWE

n/a
CWE-190 - Integer Overflow or Wraparound

Assigner

mitre mitre root

References

6 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/b…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.netapp.com/advisory/ntap-2023011…
https://www.debian.org/security/2023/dsa-5324	vendor-advisory
https://lists.debian.org/debian-lts-announce/2023…	mailing-list
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

To clipboard

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                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-29T13:41:05.963Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-03T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=ae4569813a6e931258db627cdfe50dfb4f917d5d"
        },
        {
          "name": "FEDORA-2022-90162a1d88",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDAKCGDW6CQ6G3RZWYZJO454R3L5CTQB/"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230113-0008/"
        },
        {
          "name": "DSA-5324",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2023/dsa-5324"
        },
        {
          "name": "[debian-lts-announce] 20230302 [SECURITY] [DLA 3349-1] linux-5.10 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html"
        },
        {
          "name": "[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-45934",
    "datePublished": "2022-11-27T00:00:00.000Z",
    "dateReserved": "2022-11-27T00:00:00.000Z",
    "dateUpdated": "2025-04-29T13:41:05.963Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

OESA-2022-2134 (CVE-2022-45934)

CVE-2022-4095 (GCVE-0-2022-4095)

CVE-2022-41858 (GCVE-0-2022-41858)

CVE-2022-45934 (GCVE-0-2022-45934)

Tags

Sightings

Nomenclature

Related by attack behaviour