CVE-2022-24122

Published on: 01/29/2022 12:00:00 AM UTC

Last Modified on: 04/01/2022 02:16:00 PM UTC

CVE-2022-24122

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of Fedora from Fedoraproject contain the following vulnerability:

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.

  • CVE-2022-24122 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.9 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
LOCAL MEDIUM NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags ⓘ Link
[SECURITY] Fedora 35 Update: kernel-tools-5.16.5-200.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
 URL Logo FEDORA FEDORA-2022-57fd391bf8
[SECURITY] Fedora 34 Update: kernel-headers-5.16.5-100.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
 URL Logo FEDORA FEDORA-2022-667a5c6e26
kernel/git/torvalds/linux.git - Linux kernel source tree git.kernel.org
text/html
 URL Logo MISC git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9d87929d451d3e649699d0f1d74f71f77ad38f5
ucount: Make get_ucount a safe get_user replacement · torvalds/[email protected] · GitHub github.com
text/html
 URL Logo MISC github.com/torvalds/linux/commit/f9d87929d451d3e649699d0f1d74f71f77ad38f5
oss-security - Linux kernel: use-after-free of user namespace on shm and mqueue destruction www.openwall.com
text/html
 URL Logo MISC www.openwall.com/lists/oss-security/2022/01/29/1
CVE-2022-24122 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security security.netapp.com
text/html
 URL Logo CONFIRM security.netapp.com/advisory/ntap-20220221-0001/
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Related QID Numbers

  • 198659 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5278-1)
  • 282337 Fedora Security Update for kernel (FEDORA-2022-57fd391bf8)
  • 282339 Fedora Security Update for kernel (FEDORA-2022-667a5c6e26)
  • 901887 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8451-1)
  • 906351 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8451-2)

Exploit/POC from Github

CVE-2022-24122 Proof of Concept

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		FedoraprojectFedora34AllAllAll
Operating
System		FedoraprojectFedora35AllAllAll
Operating
System		LinuxLinux KernelAllAllAllAll
Hardware Device InfoNetappBaseboard Management Controller H300e-AllAllAll
Operating
System		NetappBaseboard Management Controller H300e Firmware-AllAllAll
Hardware Device InfoNetappBaseboard Management Controller H300s-AllAllAll
Operating
System		NetappBaseboard Management Controller H300s Firmware-AllAllAll
Hardware Device InfoNetappBaseboard Management Controller H410c-AllAllAll
Operating
System		NetappBaseboard Management Controller H410c Firmware-AllAllAll
Hardware Device InfoNetappBaseboard Management Controller H410s-AllAllAll
Operating
System		NetappBaseboard Management Controller H410s Firmware-AllAllAll
Hardware Device InfoNetappBaseboard Management Controller H500e-AllAllAll
Operating
System		NetappBaseboard Management Controller H500e Firmware-AllAllAll
Hardware Device InfoNetappBaseboard Management Controller H500s-AllAllAll
Operating
System		NetappBaseboard Management Controller H500s Firmware-AllAllAll
Hardware Device InfoNetappBaseboard Management Controller H700e-AllAllAll
Operating
System		NetappBaseboard Management Controller H700e Firmware-AllAllAll
Hardware Device InfoNetappBaseboard Management Controller H700s-AllAllAll
Operating
System		NetappBaseboard Management Controller H700s Firmware-AllAllAll
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:baseboard_management_controller_h300e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:baseboard_management_controller_h300e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:baseboard_management_controller_h300s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:baseboard_management_controller_h300s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:baseboard_management_controller_h410c:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:baseboard_management_controller_h410c_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:baseboard_management_controller_h410s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:baseboard_management_controller_h410s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:baseboard_management_controller_h500e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:baseboard_management_controller_h500e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:baseboard_management_controller_h500s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:baseboard_management_controller_h500s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:baseboard_management_controller_h700e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:baseboard_management_controller_h700e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:baseboard_management_controller_h700s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:baseboard_management_controller_h700s_firmware:-:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2022-24122 : #kernel/ucount.c in the #Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are e… twitter.com/i/web/status/1… 2022-01-29 22:04:05
Reddit Logo Icon /r/netcve CVE-2022-24122 2022-01-29 23:38:03
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