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CVE-2023-23559

25
FAUCET Score

CVE-2023-23559 is an integer overflow vulnerability in the Linux kernel's rndis_wlan driver, affecting various Debian and Linux kernel versions. With a CVSS score of 7.8 (High), it allows a local attacker to achieve high impact on confidentiality, integrity, and availability with low attack complexity. Despite its severity, there is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.35, < 4.14.305CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.272CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.231CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.166CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.91CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 59th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.168.1-1 on CBL Mariner 1.0Fixed in: 5.10.168.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.92.1-1 on CBL Mariner 2.0Fixed in: 5.15.92.1-1
microsoftpatch availablevia msrc
Product: 17992-16820Fixed in: 5.10.168.1-1
microsoftpatch availablevia msrc
Product: 17994-16823Fixed in: 5.15.92.1-1

Vendor Advisories (2)

redhatCVE-2023-23559Moderate

kernel: Integer overflow in function rndis_query_oid of rndis_wlan.c

Jan 10, 2023
microsoft2023-Jan/CVE-2023-23559Important

In rndis_query_oid in drivers/net/wireless/rndis_wlan.c in the Linux kernel through 6.1.5 there is an integer overflow in an addition.

Jan 10, 2023

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
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
patchwork.kernel.org / project/linux-wireless/patch/20230110173007.57110-1-szymon.heidrich%40gmail.com
security.netapp.com / advisory/ntap-20230302-0003
PatchThird Party Advisory