CVE-2021-43975
Vulnerability Summary
Timeline
Description
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 Metrics
- v3.1•MEDIUM•Score: 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 0.55%• Percentile: 45%
Techniques & Countermeasures
- CWE-787•Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
Affected Systems
- debian•linux
< 5.10.84-1 | < 5.15.5-2 | < 5.15.5-2 | < 5.15.5-2
- ubuntu•linux
< 4.15.0-176.185 | < 5.4.0-100.113
- ubuntu•linux-aws
< 4.15.0-1127.136 | < 5.4.0-1066.69
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
< 5.13.0-1019.21~20.04.1
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1066.69~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
< 4.15.0-2066.69 | all | < 5.4.0-1069.73+fips2
- ubuntu•linux-aws-hwe
< 4.15.0-1127.136~16.04.1
- ubuntu•linux-azure
< 4.15.0-1137.150~14.04.1 | < 4.15.0-1137.150~16.04.1 | all | < 5.4.0-1070.73
- ubuntu•linux-azure-4.15
< 4.15.0-1137.150
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
< 5.13.0-1021.24~20.04.1
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1070.73~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fips
< 4.15.0-2048.52 | all | < 5.4.0-1073.76+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1028.31
- ubuntu•linux-dell300x
< 4.15.0-1041.46
- ubuntu•linux-fips
< 4.15.0-1084.93 | all | < 5.4.0-1043.49
- ubuntu•linux-gcp
< 4.15.0-1121.135~16.04.1 | all | < 5.4.0-1065.69
- ubuntu•linux-gcp-4.15
< 4.15.0-1121.135
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
< 5.13.0-1021.25~20.04.1
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1065.69~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
< 4.15.0-2031.34 | all | < 5.4.0-1067.71~20.04.1
- ubuntu•linux-gke
< 5.4.0-1063.66
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.4
< 5.4.0-1063.66~18.04.1
- ubuntu•linux-gkeop
< 5.4.0-1034.35
- ubuntu•linux-gkeop-5.4
< 5.4.0-1034.35~18.04.1
- ubuntu•linux-hwe
< 4.15.0-176.185~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
< 5.13.0-37.42~20.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-100.113~18.04.1
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-ibm
< 5.4.0-1015.16
- ubuntu•linux-ibm-5.4
< 5.4.0-1015.16~18.04.1
- ubuntu•linux-intel-5.13
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.15.0-1113.116 | < 5.4.0-1056.58
- ubuntu•linux-oem
all
- ubuntu•linux-oem-5.10
all
- ubuntu•linux-oem-5.13
all
Showing first 50 affected entries in server-rendered view.
References (18)
- https://lore.kernel.org/netdev/163698540868.13805.17800408021782408762.git-patchwork-notify%40kernel.org/T/
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b922f622592af76b57cbc566eaeccda0b31a3496
- 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://security.netapp.com/advisory/ntap-20211210-0001/
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://www.debian.org/security/2022/dsa-5096
- https://ubuntu.com/security/CVE-2021-43975
- https://lore.kernel.org/netdev/163698540868.13805.17800408021782408762.git-patchwork-notify@kernel.org/T/
- https://ubuntu.com/security/notices/USN-5278-1
- https://ubuntu.com/security/notices/USN-5294-1
- https://ubuntu.com/security/notices/USN-5294-2
- https://ubuntu.com/security/notices/USN-5297-1
- https://ubuntu.com/security/notices/USN-5337-1
- https://ubuntu.com/security/notices/USN-5368-1
- https://ubuntu.com/security/notices/USN-5385-1
- https://www.cve.org/CVERecord?id=CVE-2021-43975
- https://security-tracker.debian.org/tracker/CVE-2021-43975