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CVE-2022-49023
wifi: cfg80211: fix buffer overflow in elem comparison
High7.1EPSS 0.38%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix buffer overflow in elem comparison For vendor elements, the code here assumes that 5 octets are present without checking. Since the element itself is already checked to fit, we only need to check the length.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
| NVDNVD · Modified | 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)
- 0.38% · top 68% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
- affected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a – < f5c2ec288a865dbe3706b09bed12302e9f6d696b
- affected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a – < 9e6b79a3cd17620d467311b30d56f2648f6880aa
- affected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a – < 88a6fe3707888bd1893e9741157a7035c4159ab6
- affected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a – < 391cb872553627bdcf236c03ee7d5adb275e37e1
- affected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a – < 9f16b5c82a025cd4c864737409234ddc44fb166a
- affected 5.1
- unaffected < 5.1
- unaffected 5.4.226 – ≤ 5.4.*
- unaffected 5.10.158 – ≤ 5.10.*
- unaffected 5.15.82 – ≤ 5.15.*
- unaffected 6.0.12 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References (5)
- https://git.kernel.org/stable/c/f5c2ec288a865dbe3706b09bed12302e9f6d696b (opens in a new tab)
- https://git.kernel.org/stable/c/9e6b79a3cd17620d467311b30d56f2648f6880aa (opens in a new tab)
- https://git.kernel.org/stable/c/88a6fe3707888bd1893e9741157a7035c4159ab6 (opens in a new tab)
- https://git.kernel.org/stable/c/391cb872553627bdcf236c03ee7d5adb275e37e1 (opens in a new tab)
- https://git.kernel.org/stable/c/9f16b5c82a025cd4c864737409234ddc44fb166a (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)
- 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://trackcve.app/cve/CVE-2022-49023)Record last updated .