CVE-2022-50358brcmfmac: return error when getting invalid max_flowrings from dongle
- 4.2MediumCVSS base score
- 0.29%Exploitation in 30 daysEPSS · top 78% 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: brcmfmac: return error when getting invalid max_flowrings from dongle When firmware hit trap at initialization, host will read abnormal max_flowrings number from dongle, and it will cause kernel panic when doing iowrite to initialize dongle ring. To detect this error at early stage, we directly return error when getting invalid max_flowrings(>256).
Timeline
ID reserved
By Linux
Published
- 8 months later
· 8 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 |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium4.2 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium4.2 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.29% · top 78% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.2.
Affected products
- affected 9e37f045d5e7f33450515f237c2f6f6bfee137dd – < 3cc9299036bdb647408e11e41de3eb1ff6d428cd
- affected 9e37f045d5e7f33450515f237c2f6f6bfee137dd – < 2e8bb402b060a6c22160de3d72cee057698177c8
- affected 9e37f045d5e7f33450515f237c2f6f6bfee137dd – < 10c4b63d09a5b0ebf1b61af1dae7f25555cf58b6
- affected 9e37f045d5e7f33450515f237c2f6f6bfee137dd – < 87f126b25fa8562196f0f4c0aa46a446026199bf
- affected 9e37f045d5e7f33450515f237c2f6f6bfee137dd – < 200347eb3b2608cc8b54c13dd1d5e03809ba2eb2
- affected 9e37f045d5e7f33450515f237c2f6f6bfee137dd – < 2aca4f3734bd717e04943ddf340d49ab62299a00
- affected 3.17
- unaffected < 3.17
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References
References6
- https://git.kernel.org/stable/c/3cc9299036bdb647408e11e41de3eb1ff6d428cd (opens in a new tab)
- https://git.kernel.org/stable/c/2e8bb402b060a6c22160de3d72cee057698177c8 (opens in a new tab)
- https://git.kernel.org/stable/c/10c4b63d09a5b0ebf1b61af1dae7f25555cf58b6 (opens in a new tab)
- https://git.kernel.org/stable/c/87f126b25fa8562196f0f4c0aa46a446026199bf (opens in a new tab)
- https://git.kernel.org/stable/c/200347eb3b2608cc8b54c13dd1d5e03809ba2eb2 (opens in a new tab)
- https://git.kernel.org/stable/c/2aca4f3734bd717e04943ddf340d49ab62299a00 (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-2022-55640 (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-2022-50358)Record last updated .