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NVD / CVE Program· CNA Linux

CVE-2024-39484: mmc: davinci: Don't strip remove function when driver is builtin

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: 0.22% (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 1d5ed0efe51d36b9ae9b64f133bf41cdbf56f584, 55c421b364482b61c4c45313a535e61ed5ae4ea3, 5ee241f72edc6dce5051a5f100eab6cc019d873e; azl3 kernel 6.6.22.1-2 on Azure Linux 3.0 6.6.35.1-5; azl3 kernel 6.6.35.1-5 on Azure Linux 3.0 -.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 1d5ed0efe51d36b9ae9b64f133bf41cdbf56f584, 55c421b364482b61c4c45313a535e61ed5ae4ea3, 5ee241f72edc6dce5051a5f100eab6cc019d873e; azl3 kernel 6.6.22.1-2 on Azure Linux 3.0 6.6.35.1-5; azl3 kernel 6.6.35.1-5 on Azure Linux 3.0 - 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: mmc: davinci: Don't strip remove function when driver is builtin Using __exit for the remove function results in the remove callback being discarded with CONFIG_MMC_DAVINCI=y. When such a device gets unbound (e.g. using sysfs or hotplug), the driver is just removed without the cleanup being performed. This results in resource leaks. Fix it by compiling in the remove callback unconditionally. This also fixes a W=1 modpost warning: WARNING: modpost: drivers/mmc/host/davinci_mmc: section mismatch in reference: davinci_mmcsd_driver+0x10 (section: .data) -> davinci_mmcsd_remove (section: .exit.text)

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Jul 5, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 13th percentile

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 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

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-2024-39484

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 kernelbefore 2.6.33
  • linux linux kernel5.10 and later · before 5.10.221
  • linux linux kernel5.15 and later · before 5.15.162
  • linux linux kernel6.1 and later · before 6.1.95
  • linux linux kernel6.6 and later · before 6.6.34
  • linux linux kernel6.9 and later · before 6.9.5

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

    • 2.6.33affected
    • b4cff4549b7a8c5fc8b88e3493b6287555f0512c and later · before 6ff7cfa02baabec907f6f29ea76634e6256d2ec4affected · git
    • b4cff4549b7a8c5fc8b88e3493b6287555f0512c and later · before aea35157bb9b825faa0432bd0f7fbea37ff39aa1affected · git
    • b4cff4549b7a8c5fc8b88e3493b6287555f0512c and later · before 5ee241f72edc6dce5051a5f100eab6cc019d873eaffected · git
    • b4cff4549b7a8c5fc8b88e3493b6287555f0512c and later · before 7590da4c04dd4aa9c262da0231e978263861c6ebaffected · git
    • b4cff4549b7a8c5fc8b88e3493b6287555f0512c and later · before 1d5ed0efe51d36b9ae9b64f133bf41cdbf56f584affected · git
    • b4cff4549b7a8c5fc8b88e3493b6287555f0512c and later · before 55c421b364482b61c4c45313a535e61ed5ae4ea3affected · git
    • before 2.6.33not affected · semver
    • 5.10.221 and later · up to and including 5.10.*not affected · semver
    • 5.15.162 and later · up to and including 5.15.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.99-16.1.99-1
Debian:13linuxbefore 6.9.7-16.9.7-1

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-2024-39481Jul 5, 2024 · media: mc: Fix graph walk in media_pipeline_start
    22Monitor
  • ← EarlierCVE-2024-39483Jul 5, 2024 · KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked
    22Monitor
  • Later →CVE-2024-39485Jul 5, 2024 · media: v4l: async: Properly re-initialise notifier entry in unregister
    22Monitor

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 Linux1d5ed0efe51d36b9ae9b64f133bf41cdbf56f584Vendor (CNA)
Linux Linux55c421b364482b61c4c45313a535e61ed5ae4ea3Vendor (CNA)
Linux Linux5ee241f72edc6dce5051a5f100eab6cc019d873eVendor (CNA)
Linux Linux6ff7cfa02baabec907f6f29ea76634e6256d2ec4Vendor (CNA)
Linux Linux7590da4c04dd4aa9c262da0231e978263861c6ebVendor (CNA)
Linux Linuxaea35157bb9b825faa0432bd0f7fbea37ff39aa1Vendor (CNA)
azl3 kernel 6.6.22.1-2 on Azure Linux 3.06.6.35.1-5 · CBL-Mariner ReleasesMicrosoft (MSRC)
azl3 kernel 6.6.35.1-5 on Azure Linux 3.0- · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.160.1-1 on CBL Mariner 2.05.15.162.2-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.162.2-1 on CBL Mariner 2.05.15.162.2-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:linux6.1.99-1 · Debian:12Package 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.

  • CVE-2021-47137102 days apartnet: lantiq: fix memory corruption in RX ring
    39Monitor
  • CVE-2024-3596946 days apartipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
    35Monitor
  • CVE-2024-3402711 days apartf2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
    31Monitor
  • CVE-2021-4755142 days apartdrm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again
    31Monitor
  • CVE-2021-47130112 days apartnvmet: fix freeing unallocated p2pmem
    30Monitor
  • CVE-2024-2689479 days apartACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()
    24Monitor

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).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

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)

CWE-770 · Allocation of Resources Without Limits or Throttling

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.

Change log

  1. Fix✗ → ✓

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

References

Show all references (6 more)

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

All records