A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernel-rtUpgrade kernel | Sep 22, 2020 | Jun 26, 2020 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Jun 26, 2020 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Feb 8, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade kernel-debuginfoUpgrade kernel-headersUpgrade kernel-debug-develUpgrade perfUpgrade kernel-debugUpgrade python-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-develUpgrade kernel-debuginfo-common-x86_64 | Nov 3, 2020 | Jun 26, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade kernel-develUpgrade kernel-headersUpgrade perfUpgrade kernel-tools-libsUpgrade kernel-debuginfoUpgrade kernelUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade python-perf | Sep 28, 2020 | Jun 26, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-develUpgrade perfUpgrade kernelUpgrade kernel-headersUpgrade python-perfUpgrade kernel-tools-libsUpgrade kernel-tools | Sep 3, 2020 | Jun 26, 2020 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Sep 12, 2020 | Nov 5, 2019 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Sep 22, 2020 | Jun 26, 2020 |
| Suse | — | Upgrade gfs2-kmp-defaultUpgrade kernel-azure-baseUpgrade kernel-defaultUpgrade ocfs2-kmp-defaultUpgrade kernel-obs-buildUpgrade cluster-md-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-docsUpgrade kernel-default-extra | Aug 4, 2020 | Jun 26, 2020 |
| Ubuntu | — | Upgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-azure-fipsUpgrade linux-azureUpgrade linux-hweUpgrade linux-kvmUpgrade linux-azure-fde-5.15Upgrade linux-raspi2Upgrade linux-fipsUpgrade linux-aws-hweUpgrade linux-lts-xenialUpgrade linux-gke-4.15Upgrade linux-awsUpgrade linuxUpgrade linux-oemUpgrade linux-snapdragonUpgrade linux-gcp | Nov 19, 2024 | Jun 26, 2020 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub