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NVD / CVE Program· CNA Linux

CVE-2023-53185: wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.16% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 061b0cb9327b80d7a0f63a33e7c3e2a91a71f142, 09740fa9827cfbaf23ecd041e602a426f99be888, 1044187e7249073f719ebbf9e5ffb4f16f99e555.

Low priority for now. Upgrade to Linux Linux 061b0cb9327b80d7a0f63a33e7c3e2a91a71f142, 09740fa9827cfbaf23ecd041e602a426f99be888, 1044187e7249073f719ebbf9e5ffb4f16f99e555 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes A bad USB device is able to construct a service connection response message with target endpoint being ENDPOINT0 which is reserved for HTC_CTRL_RSVD_SVC and should not be modified to be used for any other services. Reject such service connection responses. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Sep 15, 2025
Updated
Jun 17, 2026
EPSS
0.1% · 5th percentile
CWE
—

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2023-53185

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel2.6.35 and later · before 4.14.322
  • linux linux kernel4.15 and later · before 4.19.291
  • linux linux kernel4.20 and later · before 5.4.251
  • linux linux kernel5.5 and later · before 5.10.188
  • linux linux kernel5.11 and later · before 5.15.121
  • linux linux kernel5.16 and later · before 6.1.39
  • linux linux kernel6.2 and later · before 6.3.13
  • linux linux kernel6.4 and later · before 6.4.4

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 2.6.35affected
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before db8df00cd6d801b3abdb145201c2bdd1c665f585affected · git
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before 9e3031eea2d45918dc44cbfc6a6029e82882916faffected · git
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before 4dc3560561a08842b4a4c07ccc5a90e5067dbb5baffected · git
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before 1044187e7249073f719ebbf9e5ffb4f16f99e555affected · git
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before 95b4b940f0fb2873dcedad81699e869eb7581c85affected · git
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before 09740fa9827cfbaf23ecd041e602a426f99be888affected · git
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before 6a444dffb75238c47d2d852f12cf53f12ad2cba8affected · git
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before be2a546c30fe8d72efa032bee612363bb75314bdaffected · git
    • fb9987d0f748c983bb795a86f47522313f701a08 and later · before 061b0cb9327b80d7a0f63a33e7c3e2a91a71f142affected · git

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.52-16.1.52-1
Debian:13linuxbefore 6.4.4-16.4.4-1
Red Hat:rhel_aus:8.4::baseosbpftoolbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseosbpftool-debuginfobefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernelbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-abi-stablelistsbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-corebefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-debugbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-debug-corebefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-debug-debuginfobefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-debug-develbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-debug-modulesbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-debug-modules-extrabefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-debuginfobefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-debuginfo-common-x86_64before 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-develbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-docbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-modulesbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-modules-extrabefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-toolsbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-tools-debuginfobefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseoskernel-tools-libsbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseosperfbefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4
Red Hat:rhel_aus:8.4::baseosperf-debuginfobefore 0:4.18.0-305.179.1.el8_40:4.18.0-305.179.1.el8_4

+96

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2023-53181Sep 15, 2025 · dma-buf/dma-resv: Stop leaking on krealloc() failure
    22Monitor
  • ← EarlierCVE-2023-53182Sep 15, 2025 · ACPICA: Avoid undefined behavior: applying zero offset to null pointer
    22Monitor
  • Later →CVE-2023-53187Sep 15, 2025 · btrfs: fix use-after-free of new block group that became unused
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux061b0cb9327b80d7a0f63a33e7c3e2a91a71f142Vendor (CNA)
Linux Linux09740fa9827cfbaf23ecd041e602a426f99be888Vendor (CNA)
Linux Linux1044187e7249073f719ebbf9e5ffb4f16f99e555Vendor (CNA)
Linux Linux4dc3560561a08842b4a4c07ccc5a90e5067dbb5bVendor (CNA)
Linux Linux6a444dffb75238c47d2d852f12cf53f12ad2cba8Vendor (CNA)
Linux Linux95b4b940f0fb2873dcedad81699e869eb7581c85Vendor (CNA)
Linux Linux9e3031eea2d45918dc44cbfc6a6029e82882916fVendor (CNA)
Linux Linuxbe2a546c30fe8d72efa032bee612363bb75314bdVendor (CNA)
Linux Linuxdb8df00cd6d801b3abdb145201c2bdd1c665f585Vendor (CNA)
debian:linux6.1.52-1 · Debian:12Package registry (OSV)
red hat:bpftool-debuginfo0:7.0.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-debuginfo0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel-matched0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-debuginfo0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-devel0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-devel-matched0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-debug-debuginfo0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-debug-devel0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-debug-devel-matched0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-debuginfo0:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)
red hat:kernel-debuginfo-common-aarch640:5.14.0-284.146.1.el9_2 · Red Hat:rhel_e4s:9.2::appstreamPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (8 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records