CVE-2021-28972

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Summary

CVECVE-2021-28972
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-22 17:15:15 UTC
Updated2026-10-08 21:17:34 UTC
DescriptionIn drivers/pci/hotplug/rpadlpar_sysfs.c in the Linux kernel through 5.11.8, the RPA PCI Hotplug driver has a user-tolerable buffer overflow when writing a new device name to the driver from userspace, allowing userspace to write data to the kernel stack frame directly. This occurs because add_slot_store and remove_slot_store mishandle drc_name '\0' termination, aka CID-cc7a0bb058b8.

Risk And Classification

Primary CVSS: v3.1 6.7 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-120 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[SECURITY] Fedora 33 Update: kernel-5.11.9-200.fc33 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 32 Update: kernel-5.11.10-100.fc32 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Vendor Advisory
[SECURITY] Fedora 34 Update: kernel-5.11.9-300.fc34 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
March 2021 Linux Kernel 5.11.8 Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
[SECURITY] Fedora 33 Update: kernel-5.11.9-200.fc33 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 32 Update: kernel-5.11.10-100.fc32 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 34 Update: kernel-5.11.9-300.fc34 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 174896 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1177-1)
  • 174897 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1175-1)
  • 174916 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1210-1)
  • 174917 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1211-1)
  • 174919 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1238-1)
  • 174996 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:14724-1)
  • 180416 Debian Security Update for linux (CVE-2021-28972)
  • 198365 Ubuntu Security Notification for Linux kernel (OEM) vulnerabilities (USN-4948-1)
  • 198398 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4979-1)
  • 198401 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4982-1)
  • 198403 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4984-1)
  • 281407 Fedora Security Update for kernel (FEDORA-2021-9503fffad9)
  • 281424 Fedora Security Update for kernel (FEDORA-2021-68b0dd2373)
  • 281425 Fedora Security Update for kernel (FEDORA-2021-e636ce53df)
  • 352274 Amazon Linux Security Advisory for kernel: ALAS2-2021-1627
  • 353100 Amazon Linux Security Advisory for kernel : ALAC2012-2021-024
  • 353101 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2021-025
  • 353102 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2021-026
  • 670269 EulerOS Security Update for kernel (EulerOS-SA-2021-1808)
  • 670416 EulerOS Security Update for kernel (EulerOS-SA-2021-1983)
  • 670438 EulerOS Security Update for kernel (EulerOS-SA-2021-2062)
  • 670463 EulerOS Security Update for kernel (EulerOS-SA-2021-2221)
  • 670634 EulerOS Security Update for kernel (EulerOS-SA-2021-2392)
  • 671723 EulerOS Security Update for kernel (EulerOS-SA-2022-1780)
  • 750004 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1573-1)
  • 750006 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1596-1)
  • 750014 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1623-1)
  • 750015 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1624-1)
  • 750199 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0758-1)
  • 750276 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0532-1)
  • 750650 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1975-1)
  • 750652 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1977-1)
  • 750762 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1977-1)
  • 750766 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1975-1)
  • 900100 CBL-Mariner Linux Security Update for kernel 5.10.52.1
  • 900305 CBL-Mariner Linux Security Update for kernel 5.10.57.1
  • 900320 CBL-Mariner Linux Security Update for kernel 5.10.60.1
  • 901196 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6543-1)
  • 903555 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (4011)
  • 905887 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (4011-1)

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