Medium 6.7Published Nov 17, 2021

CVE-2021-43975In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-…

Updated under an hour ago (Oct 27, 2026, 2:50 AM ET)

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Exploited in the last 30 days

In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.

CVSS: 6.7 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Oct 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

linux linux_kernel linux:linux_kernel	through 5.15.2	NVD
fedoraproject fedora fedoraproject:fedora	34; 35	NVD
debian debian_linux debian:debian_linux	9.0; 10.0	NVD
netapp cloud_backup netapp:cloud_backup	all versions	NVD
netapp h500s_firmware netapp:h500s_firmware	all versions	NVD
netapp h700s_firmware netapp:h700s_firmware	all versions	NVD
netapp h300e_firmware netapp:h300e_firmware	all versions	NVD
netapp h500e_firmware netapp:h500e_firmware	all versions	NVD
netapp h700e_firmware netapp:h700e_firmware	all versions	NVD
netapp h410s_firmware netapp:h410s_firmware	all versions	NVD
1–10 of 11

References

References

https://lore.kernel.org/netdev/163698540868.13805.17800408021782408762.git-patchwork-notify%40kernel.org/T/	x-refsource-misc
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b922f622592af76b57cbc566eaeccda0b31a3496	x-refsource-misc
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X24M7KDC4OJOZNS3RDSYC7ELNELOLQ2N/	vendor-advisory, x-refsource-fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YODMYMGZYDXQKGJGX7TJG4XV4L5YLLBD/	vendor-advisory, x-refsource-fedora
https://security.netapp.com/advisory/ntap-20211210-0001/	x-refsource-confirm
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html	mailing-list, x-refsource-mlist
https://www.debian.org/security/2022/dsa-5096	vendor-advisory, x-refsource-debian

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.