CVE-2021-3759
Summary
| CVE | CVE-2021-3759 |
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| State | PUBLIC |
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| Assigner | [email protected] |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2022-08-23 16:15:00 UTC |
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| Updated | 2023-11-07 03:38:00 UTC |
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| Description | A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability. |
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NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|
| [PATCH] memcg: charge semaphores and sem_undo objects - Yutian Yang |
MISC |
lore.kernel.org |
|
| Red Hat Customer Portal - Access to 24x7 support and knowledge |
MISC |
access.redhat.com |
|
| 1999675 – (CVE-2021-3759) CVE-2021-3759 kernel: unaccounted ipc objects in Linux kernel lead to breaking memcg limits and DoS attacks |
MISC |
bugzilla.redhat.com |
|
| [PATCH] memcg: charge semaphores and sem_undo objects - Yutian Yang |
|
lore.kernel.org |
|
| [SECURITY] [DLA 3244-1] linux-5.10 security update |
MLIST |
lists.debian.org |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 159825 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1988)
- 181367 Debian Security Update for linux (CVE-2021-3759)
- 181440 Debian Security Update for linux-5.10 (DLA 3244-1)
- 198542 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5115-1)
- 198543 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5117-1)
- 198548 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5120-1)
- 198561 Ubuntu Security Notification for Linux kernel Vulnerability (USN-5135-1)
- 198562 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5136-1)
- 198563 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5137-1)
- 198565 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5137-2)
- 240275 Red Hat Update for kernel-rt (RHSA-2022:1975)
- 240298 Red Hat Update for kernel security (RHSA-2022:1988)
- 354239 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-023
- 354275 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-039
- 378468 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-20230042)
- 378473 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0021)
- 378512 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0042)
- 378710 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0079)
- 6140352 AWS Bottlerocket Security Update for kernel (GHSA-6xv5-7462-p246)
- 671159 EulerOS Security Update for kernel (EulerOS-SA-2021-2805)
- 671219 EulerOS Security Update for kernel (EulerOS-SA-2022-1030)
- 671225 EulerOS Security Update for kernel (EulerOS-SA-2022-1010)
- 751137 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1271-1)
- 751155 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3192-1)
- 751160 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3179-1)
- 751163 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3206-1)
- 751170 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3205-1)
- 751217 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3387-1)
- 751437 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3876-1)
- 751441 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3876-1)
- 751476 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3972-1)
- 940517 AlmaLinux Security Update for kernel (ALSA-2022:1988)
