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CVE-2023-1989

23
FAUCET Score

CVE-2023-1989 is a use-after-free vulnerability in the Linux Kernel's Bluetooth driver (btsdio.c), specifically affecting Debian, Linux, and NetApp products. This flaw allows a local, low-privileged attacker to achieve high impact on confidentiality, integrity, and availability due to a race condition during device removal. While rated as high severity (CVSS 7.0), there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.24, < 4.14.312CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.280CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.240CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.177CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.105CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 71st 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 (13)

microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.177.1-1 on CBL Mariner 1.0Fixed in: 5.10.177.1-1
microsoftpatch availablevia msrc
Product: cbl2 hyperv-daemons 5.15.118.1-1 on CBL Mariner 2.0Fixed in: 5.15.118.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.107.1-2 on CBL Mariner 2.0Fixed in: 5.15.107.1-2
microsoftpatch availablevia msrc
Product: 17902-16820Fixed in: 5.10.177.1-1
microsoftpatch availablevia msrc
Product: 17835-16823Fixed in: 5.15.118.1-1
microsoftpatch availablevia msrc
Product: 17903-16823Fixed in: 5.15.107.1-2
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: kernel-0:4.18.0-372.91.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-362.8.1.el9_3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-372.91.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: kernel-0:4.18.0-477.64.1.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-513.5.1.rt7.307.el8_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-513.5.1.el8_9
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

microsoft2023-Apr/CVE-2023-1989Important

A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. In this flaw a call to btsdio_remove with an unfinished job may cause a race problem leading to a UAF on hdev devices.

Apr 11, 2023
redhatCVE-2023-1989Moderate

kernel: Use after free bug in btsdio_remove due to race condition

Mar 9, 2023

References

git.kernel.org / pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit
Mailing ListPatchVendor Advisory
lists.debian.org / debian-lts-announce/2023/05/msg00005.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2023/05/msg00006.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2024/01/msg00004.html
security.netapp.com / advisory/ntap-20230601-0004
Third Party Advisory
debian.org / security/2023/dsa-5492
Third Party Advisory