CVE-2022-2785

Published on: Not Yet Published

Last Modified on: 09/26/2022 05:26:00 PM UTC

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

Certain versions of Linux Kernel from Linux contain the following vulnerability:

There exists an arbitrary memory read within the Linux Kernel BPF - Constants provided to fill pointers in structs passed in to bpf_sys_bpf are not verified and can point anywhere, including memory not owned by BPF. An attacker with CAP_BPF can arbitrarily read memory from anywhere on the system. We recommend upgrading past commit 86f44fcec22c

  • CVE-2022-2785 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Linux Kernel - Kernel version < af2ac3e13e45
  • Affected Vendor/Software: URL Logo Linux Kernel - Kernel version < b1d18a7574d0

CVSS3 Score: 5.5 - MEDIUM

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

CVE References

Description Tags Link
[PATCH bpf 1/2] bpf: Restrict bpf_sys_bpf to CAP_PERFMON lore.kernel.org
text/html
URL Logo MISC lore.kernel.org/bpf/[email protected]/T/#t
kernel/git/bpf/bpf.git - BPF kernel tree git.kernel.org
text/html
URL Logo MISC git.kernel.org/bpf/bpf/c/86f44fcec22c

Related QID Numbers

  • 904048 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (11022)
  • 904052 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (11015)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
LinuxLinux KernelAllAllAllAll
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2022-2785 : There exists an arbitrary memory read within the #Linux Kernel BPF - Constants provided to fill poi… twitter.com/i/web/status/1… 2022-09-23 11:14:56
Twitter Icon @threatmeter CVE-2022-2785 | Linux Kernel BPF bpf_sys_bpf out-of-bounds (86f44fcec22c) A vulnerability was found in Linux Kernel… twitter.com/i/web/status/1… 2022-09-23 14:50:31
Twitter Icon @ColorTokensInc Emerging Vulnerability Found CVE-2022-2785 - There exists an arbitrary memory read within the Linux Kernel BPF - Co… twitter.com/i/web/status/1… 2022-09-23 14:50:37
Reddit Logo Icon /r/netcve CVE-2022-2785 2022-09-23 12:39:00
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