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CVE-2023-2006

24
FAUCET Score

CVE-2023-2006 describes a race condition in the Linux kernel's RxRPC network protocol, specifically within the processing of RxRPC bundles, affecting various Linux kernel distributions and NetApp products. This vulnerability, rated High severity with a CVSS score of 7.0, stems from improper locking, allowing a local attacker with low privileges to potentially escalate privileges and execute arbitrary code within the kernel. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.10, < 5.10.157CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.81CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.0.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
h300sCPE matchmatch criteria
cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*
h410cCPE matchmatch criteria
cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 68th percentile among its peer group of 1,525 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.111.1-1 on CBL Mariner 2.0Fixed in: 5.15.111.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 5.10.181.1-1
microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.181.1-1 on CBL Mariner 1.0Fixed in: 5.10.181.1-1
microsoftpatch availablevia msrc
Product: 17863-16820Fixed in: 5.10.181.1-1
microsoftpatch availablevia msrc
Product: 17889-16823Fixed in: 5.15.111.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.111.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.111.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 5.10.181.1-1
redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (3)

microsoft2023-May/CVE-2023-2006

CVE-2023-2006

May 9, 2023
redhatCVE-2023-2006Important

kernel: rxrpc: race condition between connection bundle lookup and removal

Apr 13, 2023
microsoft2023-Apr/CVE-2023-2006Important

A race condition was found in the Linux kernel's RxRPC network protocol within the processing of RxRPC bundles. This issue results from the lack of proper locking when performing operations on an object. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.

Apr 11, 2023

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / torvalds/linux/commit/3bcd6c7eaa53
Patch
security.netapp.com / advisory/ntap-20230609-0004
PatchThird Party Advisory
zerodayinitiative.com / advisories/ZDI-23-439
Third Party AdvisoryVDB Entry