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CVE-2021-43976
In the Linux kernel through 5.15.2, mwifiex_usb_recv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker (who can connect a…
Medium4.6EPSS 0.69%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In the Linux kernel through 5.15.2, mwifiex_usb_recv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker (who can connect a crafted USB device) to cause a denial of service (skb_over_panic).
Timeline
Published
- 3 years later
· 3 years 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 · Modified | 3.1 | Medium4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.69% · top 47% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (10)
- https://patchwork.kernel.org/project/linux-wireless/patch/YX4CqjfRcTa6bVL+%40Zekuns-MBP-16.fios-router.home/ (opens in a new tab)x_transferred
- FEDORA-2021-eab8c5a263 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2021-c09b851eb0 (opens in a new tab)vendor-advisoryx_transferred
- DSA-5092 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update (opens in a new tab)mailing-listx_transferred
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update (opens in a new tab)mailing-listx_transferred
- DSA-5096 (opens in a new tab)vendor-advisoryx_transferred
- https://www.oracle.com/security-alerts/cpujul2022.html (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20211210-0001/ (opens in a new tab)x_transferred
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04d80663f67ccef893061b49ec8a42ff7045ae84 (opens in a new tab)x_transferred
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://cveledger.app/cve/CVE-2021-43976)Record last updated .