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NVD / CVE Program· CNA Linux

CVE-2024-44966: binfmt_flat: Fix corruption when not offsetting data start

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 3a684499261d0f7ed5ee72793025c88c2276809c, 3eb3cd5992f7a0c37edc8d05b4c38c98758d8671, 49df34d2b7da9e57c839555a2f7877291ce45ad1; CBL Mariner 2.0 ARM 5.15.167.1-1; CBL Mariner 2.0 x64 5.15.167.1-1.
  • Severity is disputed: the assigning authority (CNA) scores it 7.8, NVD 5.5.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 3a684499261d0f7ed5ee72793025c88c2276809c, 3eb3cd5992f7a0c37edc8d05b4c38c98758d8671, 49df34d2b7da9e57c839555a2f7877291ce45ad1; CBL Mariner 2.0 ARM 5.15.167.1-1; CBL Mariner 2.0 x64 5.15.167.1-1 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: binfmt_flat: Fix corruption when not offsetting data start Commit 04d82a6d0881 ("binfmt_flat: allow not offsetting data start") introduced a RISC-V specific variant of the FLAT format which does not allocate any space for the (obsolete) array of shared library pointers. However, it did not disable the code which initializes the array, resulting in the corruption of sizeof(long) bytes before the DATA segment, generally the end of the TEXT segment. Introduce MAX_SHARED_LIBS_UPDATE which depends on the state of CONFIG_BINFMT_FLAT_NO_DATA_START_OFFSET to guard the initialization of the shared library pointer region so that it will only be initialized if space is reserved for it.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Sep 4, 2024
Updated
Aug 5, 2026
EPSS
0.2% · 12th 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 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.5
CNA · Linux
7.8
2.3 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

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-2024-44966

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 kernel5.13 and later · before 5.15.165
  • linux linux kernel5.16 and later · before 6.1.106
  • linux linux kernel6.2 and later · before 6.6.47
  • linux linux kernel6.7 and later · before 6.10.6
  • linux linux kernel6.11

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

    • 5.13affected
    • 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 and later · before 3a684499261d0f7ed5ee72793025c88c2276809caffected · git
    • 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 and later · before af65d5383854cc3f172a7d0843b628758bf462c8affected · git
    • 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 and later · before 49df34d2b7da9e57c839555a2f7877291ce45ad1affected · git
    • 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 and later · before 9350ba06ee61db392c486716ac68ecc20e030f7caffected · git
    • 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 and later · before 3eb3cd5992f7a0c37edc8d05b4c38c98758d8671affected · git
    • before 5.13not affected · semver
    • 5.15.165 and later · up to and including 5.15.*not affected · semver
    • 6.1.106 and later · up to and including 6.1.*not affected · semver
    • 6.6.47 and later · up to and including 6.6.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.106-16.1.106-1
Debian:13linuxbefore 6.10.6-16.10.6-1

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-2024-44962Sep 4, 2024 · Bluetooth: btnxpuart: Shutdown timer and prevent rearming when driver unloading
    22Monitor
  • ← EarlierCVE-2024-44964Sep 4, 2024 · idpf: fix memory leaks and crashes while performing a soft reset
    31Monitor
  • Later →CVE-2024-44967Sep 4, 2024 · drm/mgag200: Bind I2C lifetime to DRM device
    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 Linux3a684499261d0f7ed5ee72793025c88c2276809cVendor (CNA)
Linux Linux3eb3cd5992f7a0c37edc8d05b4c38c98758d8671Vendor (CNA)
Linux Linux49df34d2b7da9e57c839555a2f7877291ce45ad1Vendor (CNA)
Linux Linux9350ba06ee61db392c486716ac68ecc20e030f7cVendor (CNA)
Linux Linuxaf65d5383854cc3f172a7d0843b628758bf462c8Vendor (CNA)
CBL Mariner 2.0 ARM5.15.167.1-1 · kernelMicrosoft (MSRC)
CBL Mariner 2.0 x645.15.167.1-1 · kernelMicrosoft (MSRC)
debian:linux6.1.106-1 · 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.

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).

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)

—

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 (5 more)

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

All records