Vulnerability-Lookup

FKIE_CVE-2023-53220

Vulnerability from fkie_nvd - Published: 2025-09-15 15:15 - Updated: 2026-01-14 18:16

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: media: az6007: Fix null-ptr-deref in az6007_i2c_xfer() In az6007_i2c_xfer, msg is controlled by user. When msg[i].buf is null and msg[i].len is zero, former checks on msg[i].buf would be passed. Malicious data finally reach az6007_i2c_xfer. If accessing msg[i].buf[0] without sanity check, null ptr deref would happen. We add check on msg[i].len to prevent crash. Similar commit: commit 0ed554fd769a ("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()")

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1047f9343011f2cedc73c64829686206a7e9fc3f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5b1ea100ad3695025969dc4693f307877fb688d6	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6ab7ea4e17d6a605d05308adf8f3408924770cba	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/991c77fe18c6f374bbf83376f8c42550aa565662	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a1110f19d4940e4185251d072cbb0ff51486a1e7	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a9def3e9718a4dc756f48db147d42ec41a966240	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/adcb73f8ce9aec48b1f85223f401c1574015d8d2	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c6763fefa267f6e62595a6ac1f57815d99fc90b7	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

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    }
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  "lastModified": "2026-01-14T18:16:31.300",
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CVE-2023-53220 (GCVE-0-2023-53220)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:21 – Updated: 2026-01-14 17:52

Title

media: az6007: Fix null-ptr-deref in az6007_i2c_xfer()

Summary

Severity ?

5.5 (Medium)


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

CWE

CWE-476 - NULL Pointer Dereference

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/c6763fefa267f6e62…
	https://git.kernel.org/stable/c/adcb73f8ce9aec48b…
	https://git.kernel.org/stable/c/991c77fe18c6f374b…
	https://git.kernel.org/stable/c/a9def3e9718a4dc75…
	https://git.kernel.org/stable/c/5b1ea100ad3695025…
	https://git.kernel.org/stable/c/6ab7ea4e17d6a605d…
	https://git.kernel.org/stable/c/a1110f19d4940e418…
	https://git.kernel.org/stable/c/1047f9343011f2ced…

Impacted products

Vendor

Product

Version

Linux

Affected: caa1a700ed2a06a831e6a7db5d9f213fc63caee3 , < c6763fefa267f6e62595a6ac1f57815d99fc90b7 (git)
Affected: caa1a700ed2a06a831e6a7db5d9f213fc63caee3 , < adcb73f8ce9aec48b1f85223f401c1574015d8d2 (git)
Affected: caa1a700ed2a06a831e6a7db5d9f213fc63caee3 , < 991c77fe18c6f374bbf83376f8c42550aa565662 (git)
Affected: caa1a700ed2a06a831e6a7db5d9f213fc63caee3 , < a9def3e9718a4dc756f48db147d42ec41a966240 (git)
Affected: caa1a700ed2a06a831e6a7db5d9f213fc63caee3 , < 5b1ea100ad3695025969dc4693f307877fb688d6 (git)
Affected: caa1a700ed2a06a831e6a7db5d9f213fc63caee3 , < 6ab7ea4e17d6a605d05308adf8f3408924770cba (git)
Affected: caa1a700ed2a06a831e6a7db5d9f213fc63caee3 , < a1110f19d4940e4185251d072cbb0ff51486a1e7 (git)
Affected: caa1a700ed2a06a831e6a7db5d9f213fc63caee3 , < 1047f9343011f2cedc73c64829686206a7e9fc3f (git)

Linux

Affected: 3.4
Unaffected: 0 , < 3.4 (semver)
Unaffected: 4.14.326 , ≤ 4.14.* (semver)
Unaffected: 4.19.295 , ≤ 4.19.* (semver)
Unaffected: 5.4.257 , ≤ 5.4.* (semver)
Unaffected: 5.10.197 , ≤ 5.10.* (semver)
Unaffected: 5.15.133 , ≤ 5.15.* (semver)
Unaffected: 6.1.55 , ≤ 6.1.* (semver)
Unaffected: 6.5.5 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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        },
        {
          "url": "https://git.kernel.org/stable/c/5b1ea100ad3695025969dc4693f307877fb688d6"
        },
        {
          "url": "https://git.kernel.org/stable/c/6ab7ea4e17d6a605d05308adf8f3408924770cba"
        },
        {
          "url": "https://git.kernel.org/stable/c/a1110f19d4940e4185251d072cbb0ff51486a1e7"
        },
        {
          "url": "https://git.kernel.org/stable/c/1047f9343011f2cedc73c64829686206a7e9fc3f"
        }
      ],
      "title": "media: az6007: Fix null-ptr-deref in az6007_i2c_xfer()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53220",
    "datePublished": "2025-09-15T14:21:49.075Z",
    "dateReserved": "2025-09-15T14:19:21.845Z",
    "dateUpdated": "2026-01-14T17:52:58.476Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

FKIE_CVE-2023-53220

CVE-2023-53220 (GCVE-0-2023-53220)

Tags

Sightings

Nomenclature