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CVE-2024-38562· NVD / CVE Program· CNA Linux

wifi: nl80211: Avoid address calculations via out of bounds array indexing

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: Avoid address calculations via out of bounds array indexing Before request->channels[] can be used, request->n_channels must be set. Additionally, address calculations for memory after the "channels" array need to be calculated from the allocation base ("request") rather than via the first "out of bounds" index of "channels", otherwise run-time bounds checking will throw a warning.

HighCVSS 7.8 · v3.1—No exploit Fix available
Published
Jun 19, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 13th percentile
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Report tools

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Action score

31

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

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 kernel6.6 and later · before 6.6.33
  • linux linux kernel6.7 and later · before 6.8.12
  • linux linux kernel6.9 and later · before 6.9.3

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

    • 6.6affected
    • e3eac9f32ec04112b39e01b574ac739382469bf9 and later · before ed74398642fcb19f6ff385c35a7d512c6663e17baffected · git
    • e3eac9f32ec04112b39e01b574ac739382469bf9 and later · before 4e2a5566462b53db7d4c4722da86eedf0b8f546caffected · git
    • e3eac9f32ec04112b39e01b574ac739382469bf9 and later · before 8fa4d56564ee7cc2ee348258d88efe191d70dd7faffected · git
    • e3eac9f32ec04112b39e01b574ac739382469bf9 and later · before 838c7b8f1f278404d9d684c34a8cb26dc41aaaa1affected · git
    • before 6.6not affected · semver
    • 6.6.33 and later · up to and including 6.6.*not affected · semver
    • 6.8.12 and later · up to and including 6.8.*not affected · semver
    • 6.9.3 and later · up to and including 6.9.*not affected · semver
    • 6.10 and laternot affected · original_commit_for_fix

Package-level exposure

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

EcosystemPackageAffected rangeFix
AlmaLinux:9bpftoolbefore 7.3.0-427.37.1.el9_47.3.0-427.37.1.el9_4
AlmaLinux:9kernelbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64kbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-corebefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-debugbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-debug-corebefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-debug-develbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-debug-devel-matchedbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-debug-modulesbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-debug-modules-corebefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-debug-modules-extrabefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-develbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-devel-matchedbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-modulesbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-modules-corebefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-64k-modules-extrabefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-abi-stablelistsbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-corebefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-cross-headersbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-debugbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-debug-corebefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-debug-develbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-debug-devel-matchedbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4
AlmaLinux:9kernel-debug-modulesbefore 5.14.0-427.37.1.el9_45.14.0-427.37.1.el9_4

+96

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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 Linux4e2a5566462b53db7d4c4722da86eedf0b8f546cVendor (CNA)
Linux Linux838c7b8f1f278404d9d684c34a8cb26dc41aaaa1Vendor (CNA)
Linux Linux8fa4d56564ee7cc2ee348258d88efe191d70dd7fVendor (CNA)
Linux Linuxed74398642fcb19f6ff385c35a7d512c6663e17bVendor (CNA)
almalinux:bpftool7.3.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-core5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-core5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-devel5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-devel-matched5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules-core5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules-extra5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-devel5.14.0-427.37.1.el9_4 · AlmaLinux:9Package registry (OSV)
debian:linux6.8.12-1 · Debian:13Package registry (OSV)
red hat:bpftool-debuginfo0:7.3.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-debuginfo0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel-matched0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debuginfo0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-devel0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-devel-matched0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-debuginfo0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-devel0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-devel-matched0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debuginfo0:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debuginfo-common-aarch640:5.14.0-427.37.1.el9_4 · Red Hat:enterprise_linux:9::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.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

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.

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.

  • CVE-2021-4754826 days apartethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()
    39Monitor
  • CVE-2023-2008432 days apartKernel: udmabuf: improper validation of array index leading to local privilege escalation
    32Monitor
  • CVE-2024-385420 days apartRDMA/mana_ib: boundary check before installing cq callbacks
    31Monitor
  • CVE-2024-385520 days apartdrm/amd/display: Fix potential index out of bounds in color transformation function
    31Monitor
  • CVE-2024-385560 days apartnet/mlx5: Add a timeout to acquire the command queue semaphore
    31Monitor
  • CVE-2024-385870 days apartspeakup: Fix sizeof() vs ARRAY_SIZE() bug
    31Monitor

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

CVSS vector

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

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

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

References

All records