Unrated severityNVD Advisory· Published Aug 24, 2022· Updated Aug 3, 2024
CVE-2021-4218
CVE-2021-4218
Description
A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.
Affected products
60- Linux/Linux kerneldescription
- osv-coords59 versionspkg:apk/chainguard/hyperv-daemonspkg:apk/chainguard/hyperv-daemons-6.18pkg:apk/chainguard/hyperv-daemons-genericpkg:apk/chainguard/linuxpkg:apk/chainguard/linux-aws-6.12pkg:apk/chainguard/linux-aws-6.12-boot-installedpkg:apk/chainguard/linux-aws-6.12-fips-boot-installedpkg:apk/chainguard/linux-aws-6.12-headerspkg:apk/chainguard/linux-aws-6.12-modulespkg:apk/chainguard/linux-aws-6.18pkg:apk/chainguard/linux-aws-6.18-boot-installedpkg:apk/chainguard/linux-aws-6.18-fips-boot-installedpkg:apk/chainguard/linux-aws-6.18-headerspkg:apk/chainguard/linux-aws-6.18-modulespkg:apk/chainguard/linux-aws-genericpkg:apk/chainguard/linux-aws-generic-boot-configurationpkg:apk/chainguard/linux-aws-generic-boot-installedpkg:apk/chainguard/linux-aws-generic-fips-boot-installedpkg:apk/chainguard/linux-aws-generic-headerspkg:apk/chainguard/linux-aws-generic-modulespkg:apk/chainguard/linux-azure-6.12pkg:apk/chainguard/linux-azure-6.18pkg:apk/chainguard/linux-azure-6.18-boot-installedpkg:apk/chainguard/linux-azure-6.18-fips-boot-installedpkg:apk/chainguard/linux-azure-6.18-headerspkg:apk/chainguard/linux-azure-6.18-modulespkg:apk/chainguard/linux-azure-genericpkg:apk/chainguard/linux-azure-generic-boot-configurationpkg:apk/chainguard/linux-azure-generic-boot-installedpkg:apk/chainguard/linux-azure-generic-fips-boot-installedpkg:apk/chainguard/linux-azure-generic-headerspkg:apk/chainguard/linux-azure-generic-modulespkg:apk/chainguard/linux-boot-configurationpkg:apk/chainguard/linux-boot-installedpkg:apk/chainguard/linux-gcp-6.12pkg:apk/chainguard/linux-gcp-6.18pkg:apk/chainguard/linux-gcp-6.18-boot-installedpkg:apk/chainguard/linux-gcp-6.18-fips-boot-installedpkg:apk/chainguard/linux-gcp-6.18-headerspkg:apk/chainguard/linux-gcp-6.18-modulespkg:apk/chainguard/linux-gcp-genericpkg:apk/chainguard/linux-gcp-generic-boot-installedpkg:apk/chainguard/linux-gcp-generic-fips-boot-installedpkg:apk/chainguard/linux-gcp-generic-headerspkg:apk/chainguard/linux-gcp-generic-modulespkg:apk/chainguard/linux-modulespkg:apk/chainguard/linux-qemu-6.12pkg:apk/chainguard/linux-qemu-6.18pkg:apk/chainguard/linux-qemu-genericpkg:apk/chainguard/linux-qemu-generic-bootc-boot-installedpkg:apk/chainguard/linux-qemu-melangepkg:apk/chainguard/linux-qemu-rcpkg:apk/chainguard/linux-qemu-rc-boot-installedpkg:apk/chainguard/linux-qemu-rc-fips-boot-installedpkg:apk/chainguard/linux-qemu-rc-headerspkg:apk/chainguard/linux-qemu-rc-modulespkg:apk/chainguard/linux-vmware-6.12pkg:apk/chainguard/linux-vmware-6.18pkg:apk/chainguard/linux-vmware-generic
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Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- access.redhat.com/security/cve/CVE-2021-4218mitrex_refsource_MISC
- bugs.centos.org/view.phpmitrex_refsource_MISC
- bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
News mentions
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