Vulnerability-Lookup

CVE-2026-53112 (GCVE-0-2026-53112)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:30 – Updated: 2026-06-24 16:30

Title

wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet The irq_prepare_bcn_tasklet is initialized in rtl_pci_init() and scheduled when RTL_IMR_BCNINT interrupt is triggered by hardware. But it is never killed in rtl_pci_deinit(). When the rtlwifi card probe fails or is being detached, the ieee80211_hw is deallocated. However, irq_prepare_bcn_tasklet may still be running or pending, leading to use-after-free when the freed ieee80211_hw is accessed in _rtl_pci_prepare_bcn_tasklet(). Similar to irq_tasklet, add tasklet_kill() in rtl_pci_deinit() to ensure that irq_prepare_bcn_tasklet is properly terminated before the ieee80211_hw is released. The issue was identified through static analysis.

Severity

7.8 (High)


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

Assigner

Linux mitre root Scorecard

References

8 references

URL	Tags
https://git.kernel.org/stable/c/ae10d4a1ab6bcaa13…
https://git.kernel.org/stable/c/fac1079e0fdec6df6…
https://git.kernel.org/stable/c/e40873820c9d245ce…
https://git.kernel.org/stable/c/008c456b76e907097…
https://git.kernel.org/stable/c/7731b67bd59d1284d…
https://git.kernel.org/stable/c/aa10a452e34810987…
https://git.kernel.org/stable/c/3c0e8a3179e6325a7…
https://git.kernel.org/stable/c/039cd522dc70151da…

Impacted products

2 products

Vendor	Product	Version	CPE status
Linux	Linux	Affected: 0c8173385e549f95cd80c3fff5aab87b4f881d8d , < ae10d4a1ab6bcaa1336abb171908a9a365761d3e (git) Affected: 0c8173385e549f95cd80c3fff5aab87b4f881d8d , < fac1079e0fdec6df6d7562c21941587236dc3def (git) Affected: 0c8173385e549f95cd80c3fff5aab87b4f881d8d , < e40873820c9d245ce482faa7ad514ebdb3b8d23d (git) Affected: 0c8173385e549f95cd80c3fff5aab87b4f881d8d , < 008c456b76e9070979bc0e763897a5d3b0fdd4dc (git) Affected: 0c8173385e549f95cd80c3fff5aab87b4f881d8d , < 7731b67bd59d1284d150cbe40a47e95a10613234 (git) Affected: 0c8173385e549f95cd80c3fff5aab87b4f881d8d , < aa10a452e34810987fb9f4a047995b30003fb53f (git) Affected: 0c8173385e549f95cd80c3fff5aab87b4f881d8d , < 3c0e8a3179e6325a7dc6ce221aef0e03d854ab4b (git) Affected: 0c8173385e549f95cd80c3fff5aab87b4f881d8d , < 039cd522dc70151da13329a5e3ae19b1736f468a (git)	guessed
Linux	Linux	Affected: 2.6.38 Unaffected: 0 , < 2.6.38 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)	guessed

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          }
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        "id": "CVE-2026-53112",
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        "published": "2026-06-24T17:17:25.583",
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              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/039cd522dc70151da13329a5e3ae19b1736f468a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/3c0e8a3179e6325a7dc6ce221aef0e03d854ab4b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7731b67bd59d1284d150cbe40a47e95a10613234"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/aa10a452e34810987fb9f4a047995b30003fb53f"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/ae10d4a1ab6bcaa1336abb171908a9a365761d3e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/e40873820c9d245ce482faa7ad514ebdb3b8d23d"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/fac1079e0fdec6df6d7562c21941587236dc3def"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-28T07:44:27+00:00",
      "cve": "CVE-2026-53112",
      "id": "CVE-2026-53112",
      "initial_release_date": "2026-06-24T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53112.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-01T00:58:54Z",
      "cve": "CVE-2026-53112",
      "id": "CVE-2026-53112",
      "initial_release_date": "2026-07-03T03:05:06Z",
      "product_status:known_affected": "396",
      "product_status:known_not_affected": "324",
      "product_status:recommended": "250",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-53112",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-53112.json",
      "version": "11"
    }
  }
}

SUSE-SU-2026:23194-1

Vulnerability from csaf_suse - Published: 2026-08-18 19:48 - Updated: 2026-10-01 16:37

Summary

Security update for the Linux Kernel

Severity

Important

Scope

647 vulnerabilities in this advisory, including CVE-2026-53112.

CVE-2026-53112

4.7 (Medium)


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

Recommended: 14 products

Open the full advisory

SUSE-SU-2026:23221-1

Vulnerability from csaf_suse - Published: 2026-08-11 21:26 - Updated: 2026-09-30 11:15

Summary

Security update for the Linux Kernel

Severity

Important

Scope

894 vulnerabilities in this advisory, including CVE-2026-53112.

CVE-2026-53112

4.7 (Medium)


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

Recommended: 114 products

Open the full advisory

SUSE-SU-2026:23231-1

Vulnerability from csaf_suse - Published: 2026-08-11 21:26 - Updated: 2026-09-30 11:15

Summary

Security update for the Linux Kernel

Severity

Important

Scope

894 vulnerabilities in this advisory, including CVE-2026-53112.

CVE-2026-53112

4.7 (Medium)


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

Recommended: 114 products

Open the full advisory

SUSE-SU-2026:23237-1

Vulnerability from csaf_suse - Published: 2026-08-11 21:34 - Updated: 2026-09-30 11:15

Summary

Security update for the Linux Kernel

Severity

Important

Scope

894 vulnerabilities in this advisory, including CVE-2026-53112.

CVE-2026-53112

4.7 (Medium)


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

Recommended: 9 products

Open the full advisory

SUSE-SU-2026:23241-1

Vulnerability from csaf_suse - Published: 2026-08-18 20:43 - Updated: 2026-10-01 16:37

Summary

Security update for the Linux Kernel

Severity

Important

Scope

648 vulnerabilities in this advisory, including CVE-2026-53112.

CVE-2026-53112

4.7 (Medium)


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

Recommended: 4 products

Open the full advisory

SUSE-SU-2026:23244-1

Vulnerability from csaf_suse - Published: 2026-08-18 20:52 - Updated: 2026-10-01 16:37

Summary

Security update for the Linux Kernel

Severity

Important

Scope

647 vulnerabilities in this advisory, including CVE-2026-53112.

CVE-2026-53112

4.7 (Medium)


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

Recommended: 9 products

Open the full advisory

SUSE-SU-2026:3130-1

Vulnerability from csaf_suse - Published: 2026-07-20 12:25 - Updated: 2026-09-17 16:33

Summary

Security update for the Linux Kernel

Severity

Important

Scope

513 vulnerabilities in this advisory, including CVE-2026-53112.

CVE-2026-53112

4.7 (Medium)


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

Recommended: 19 products

Open the full advisory

UBUNTU-CVE-2026-53112 (CVE-2026-53112)

Vulnerability from osv_ubuntu – Published: 2026-06-24 17:17 – Updated: 2026-10-01 16:11 – Source website

Details

Severity

7.8 (High)


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

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2026-53112	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-53112	REPORT
	https://git.kernel.org/linus/039cd522dc70151da133…	REPORT
	https://ubuntu.com/security/notices/USN-8566-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8568-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8569-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8567-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8574-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8575-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8576-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8593-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8574-2	ADVISORY
	https://ubuntu.com/security/notices/USN-8595-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8596-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8575-2	ADVISORY
	https://ubuntu.com/security/notices/USN-8576-2	ADVISORY
	https://ubuntu.com/security/notices/USN-8603-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8595-2	ADVISORY
	https://ubuntu.com/security/notices/USN-8606-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8607-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8608-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8609-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8575-3	ADVISORY
	https://ubuntu.com/security/notices/USN-8610-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8618-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8574-3	ADVISORY
	https://ubuntu.com/security/notices/USN-8595-3	ADVISORY
	https://ubuntu.com/security/notices/USN-8619-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8620-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8620-2	ADVISORY
	https://ubuntu.com/security/notices/USN-8620-3	ADVISORY
	https://ubuntu.com/security/notices/USN-8620-4	ADVISORY
	https://ubuntu.com/security/notices/USN-8663-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8664-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8665-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8668-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8728-1	ADVISORY
	https://ubuntu.com/security/notices/USN-8668-2	ADVISORY
	https://ubuntu.com/security/notices/USN-8728-2	ADVISORY
	https://ubuntu.com/security/notices/USN-8728-3	ADVISORY

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WID-SEC-W-2026-2077

Vulnerability from csaf_certbund - Published: 2026-06-24 22:00 - Updated: 2026-09-20 22:00

Summary

Linux Kernel: Mehrere Schwachstellen

Severity

Hoch

Scope

331 vulnerabilities in this advisory, including CVE-2026-53112.

CVE-2026-53112

Known affected: 16 products

Open the full advisory

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.

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

CVE-2026-53112 (GCVE-0-2026-53112)

UBUNTU-CVE-2026-53112 (CVE-2026-53112)

Tags

Sightings

Nomenclature

Related by attack behaviour