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CVE-2023-53019net: mdio: validate parameter addr in mdiobus_get_phy()
- 7.8HighCVSS base score
- 0.20%Exploitation in 30 daysEPSS · top 90% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: net: mdio: validate parameter addr in mdiobus_get_phy() The caller may pass any value as addr, what may result in an out-of-bounds access to array mdio_map. One existing case is stmmac_init_phy() that may pass -1 as addr. Therefore validate addr before using it.
Timeline
ID reserved
By Linux
Published
- 20 months later
· 20 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.20% · top 90% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 7f854420fbfe9d49afe2ffb1df052cfe8e215541 – < 1d80c259dfbadefa61b7ea334dfce5cb57f8c72f
- affected 7f854420fbfe9d49afe2ffb1df052cfe8e215541 – < c431a3d642593bbdb99e8a9e3eed608b730db6f8
- affected 7f854420fbfe9d49afe2ffb1df052cfe8e215541 – < 8a7b9560a3a8eb8724888c426e05926752f73aa0
- affected 7f854420fbfe9d49afe2ffb1df052cfe8e215541 – < 4bc5f1f6bc94e695dfd912122af96e7115a0ddb8
- affected 7f854420fbfe9d49afe2ffb1df052cfe8e215541 – < ad67de330d83e8078372b52af18ffe8d39e26c85
- affected 7f854420fbfe9d49afe2ffb1df052cfe8e215541 – < 7879626296e6ffd838ae0f2af1ab49ee46354973
- affected 7f854420fbfe9d49afe2ffb1df052cfe8e215541 – < 867dbe784c5010a466f00a7d1467c1c5ea569c75
- affected 4.5
- unaffected < 4.5
- unaffected 4.14.305 – ≤ 4.14.*
- unaffected 4.19.272 – ≤ 4.19.*
- unaffected 5.4.231 – ≤ 5.4.*
- unaffected 5.10.166 – ≤ 5.10.*
- unaffected 5.15.91 – ≤ 5.15.*
- unaffected 6.1.9 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References
References7
- https://git.kernel.org/stable/c/1d80c259dfbadefa61b7ea334dfce5cb57f8c72f (opens in a new tab)
- https://git.kernel.org/stable/c/c431a3d642593bbdb99e8a9e3eed608b730db6f8 (opens in a new tab)
- https://git.kernel.org/stable/c/8a7b9560a3a8eb8724888c426e05926752f73aa0 (opens in a new tab)
- https://git.kernel.org/stable/c/4bc5f1f6bc94e695dfd912122af96e7115a0ddb8 (opens in a new tab)
- https://git.kernel.org/stable/c/ad67de330d83e8078372b52af18ffe8d39e26c85 (opens in a new tab)
- https://git.kernel.org/stable/c/7879626296e6ffd838ae0f2af1ab49ee46354973 (opens in a new tab)
- https://git.kernel.org/stable/c/867dbe784c5010a466f00a7d1467c1c5ea569c75 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-59701 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-53019)Record last updated .