What’s Vulnerable › Vulnerabilities
CVE-2021-43976
- Severity: medium (CVSS 4.6 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-11-17 · updated 2026-06-17
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).
Affected products
- Debian Linux: 9.0, 10.0, 11.0
- Fedoraproject Fedora: 34, 35
- Linux kernel: through 5.15.2
- NetApp Cloud Backup: all versions
- NetApp H300E Firmware: all versions
- NetApp H300S Firmware: all versions
- NetApp H410C Firmware: all versions
- NetApp H410S Firmware: all versions
- NetApp H500E Firmware: all versions
- NetApp H500S Firmware: all versions
- NetApp H700E Firmware: all versions
- NetApp H700S Firmware: all versions
- Oracle Communications Cloud Native Core Binding Support Function: 22.1.3
- Oracle Communications Cloud Native Core Network Exposure Function: 22.1.1
- Oracle Communications Cloud Native Core Policy: 22.2.0
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04d80663f67ccef893061b49ec8a42ff7045ae84
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X24M7KDC4OJOZNS3RDSYC7ELNELOLQ2N/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YODMYMGZYDXQKGJGX7TJG4XV4L5YLLBD/
- https://patchwork.kernel.org/project/linux-wireless/patch/YX4CqjfRcTa6bVL+%40Zekuns-MBP-16.fios-router.home/
- https://security.netapp.com/advisory/ntap-20211210-0001/
- https://www.debian.org/security/2022/dsa-5092
- https://www.debian.org/security/2022/dsa-5096
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04d80663f67ccef893061b49ec8a42ff7045ae84
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
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