CVE-2022-2905

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Summary

CVECVE-2022-2905
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-09-09 15:15:10 UTC
Updated2026-10-14 14:17:22 UTC
DescriptionAn out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: CWE-125 | CWE-125 CWE-125

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 6.0 rc1 All All
Operating System Linux Linux Kernel 6.0 rc2 All All
Operating System Linux Linux Kernel 6.0 rc3 All All
Operating System Redhat Enterprise Linux 8.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Kernel affected Linux kernel 6.0-rc4 Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
[PATCH bpf] bpf: Don't use tnum_range on array range checking for poke descriptors - Daniel Borkmann af854a3a-2127-422b-91ae-364da2661108 lore.kernel.org
2121800 – (CVE-2022-2905) CVE-2022-2905 kernel: slab-out-of-bound read in bpf af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Exploit, Issue Tracking, Patch, Third Party Advisory
[SECURITY] [DLA 3173-1] linux-5.10 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-831302.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[PATCH bpf] bpf: Don't use tnum_range on array range checking for poke descriptors - Daniel Borkmann MITRE lore.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181043 Debian Security Update for linux (CVE-2022-2905)
  • 181190 Debian Security Update for linux-5.10 (DLA 3173-1)
  • 199031 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5729-1)
  • 199038 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5729-2)
  • 354082 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2022-008
  • 354084 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-020
  • 354439 Amazon Linux Security Advisory for kernel : ALAS2022-2022-150
  • 354468 Amazon Linux Security Advisory for kernel : ALAS2022-2022-185
  • 354542 Amazon Linux Security Advisory for kernel : ALAS-2022-185
  • 355199 Amazon Linux Security Advisory for kernel : ALAS2023-2023-070
  • 377891 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0002)
  • 378468 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-20230042)
  • 378512 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0042)
  • 6140158 AWS Bottlerocket Security Update for kernel (GHSA-5fc6-q3c2-v4p4)
  • 752589 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3264-1)
  • 752594 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3293-1)
  • 752632 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3450-1)
  • 753063 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)
  • 753167 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3288-1)
  • 753370 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3609-1)
  • 753374 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3809-1)
  • 903912 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10945)
  • 903929 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10922)
  • 904100 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10945-1)
  • 904263 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10922-1)
  • 906080 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10945-2)
  • 906330 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10922-2)

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