CVE-2021-41073

Summary

CVECVE-2021-41073
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-09-19 17:15:00 UTC
Updated2023-11-07 03:38:00 UTC
Descriptionloop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

Risk And Classification

Problem Types: CWE-763

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All
Application Netapp Cloud Backup - All All All
Hardware Netapp H300e - All All All
Operating System Netapp H300e Firmware - All All All
Hardware Netapp H300s - All All All
Operating System Netapp H300s Firmware - All All All
Hardware Netapp H410c - All All All
Operating System Netapp H410c Firmware - All All All
Hardware Netapp H410s - All All All
Operating System Netapp H410s Firmware - All All All
Hardware Netapp H500e - All All All
Operating System Netapp H500e Firmware - All All All
Hardware Netapp H500s - All All All
Operating System Netapp H500s Firmware - All All All
Hardware Netapp H700e - All All All
Operating System Netapp H700e Firmware - All All All
Hardware Netapp H700s - All All All
Operating System Netapp H700s Firmware - All All All
Application Netapp Solidfire Baseboard Management Controller - All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 33 Update: kernel-headers-5.14.9-100.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
JavaScript is not available. MISC twitter.com
[SECURITY] Fedora 34 Update: kernel-tools-5.14.9-200.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
CVE-2021-41073 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
[SECURITY] Fedora 34 Update: kernel-tools-5.14.9-200.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
oss-security - Re: Linux Kernel: Exploitable vulnerability in io_uring MLIST www.openwall.com
[SECURITY] Fedora 33 Update: kernel-headers-5.14.9-100.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
oss-security - Linux Kernel: Exploitable vulnerability in io_uring MISC www.openwall.com
Debian -- Security Information -- DSA-4978-1 linux DEBIAN www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 178809 Debian Security Update for linux (DSA 4978-1)
  • 182620 Debian Security Update for linux (CVE-2021-41073)
  • 198515 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5092-1)
  • 198523 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5092-2)
  • 198524 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5096-1)
  • 198533 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5106-1)
  • 281950 Fedora Security Update for kernel (FEDORA-2021-884d245ef8)
  • 281956 Fedora Security Update for kernel (FEDORA-2021-e0d6215753)
  • 352863 Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-068
  • 352864 Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-067
  • 352865 Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-066
  • 352866 Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-065
  • 353154 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-006
  • 900371 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (5934)
  • 901590 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6596-1)
  • 905885 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (5934-1)
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