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CVE-2022-49166· NVD / CVE Program· CNA Linux

ntfs: add sanity check on allocation size

In the Linux kernel, the following vulnerability has been resolved: ntfs: add sanity check on allocation size ntfs_read_inode_mount invokes ntfs_malloc_nofs with zero allocation size. It triggers one BUG in the __ntfs_malloc function. Fix this by adding sanity check on ni->attr_list_size.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Feb 26, 2025
Updated
Jun 17, 2026
EPSS
0.3% · 17th percentile
CWE
—
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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 · 0.3%

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 kernelbefore 4.9.311
  • linux linux kernel4.10 and later · before 4.14.276
  • linux linux kernel4.15 and later · before 4.19.238
  • linux linux kernel4.20 and later · before 5.4.189
  • linux linux kernel5.5 and later · before 5.10.110
  • linux linux kernel5.11 and later · before 5.15.33
  • linux linux kernel5.16 and later · before 5.16.19
  • linux linux kernel5.17 and later · before 5.17.2

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

    • 2.6.12affected
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before bd8d7daa0e53b184a2f3c6e0d47330780d0a0650affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 21d490232f323ed4053eb9924615e6fea291f154affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 07793d2e55563124108762f4e5f811db92ffe02faffected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before fe41ad8be036a3de3e4bdde709551aeb4de2fe7daffected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before b230f2d9441a34c7f483d39ab78519bcf73cc2e0affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 24ab2d4ef52c2dbb62a60844b87fc8872383407aaffected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 115fae2c1566eacc5ad2055f72521354612e72c3affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before c641087d381a08363e5f14179bc6b0a23eca7c47affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 714fbf2647b1a33d914edd695d4da92029c7e7c0affected · git

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 5.17.3-15.17.3-1

Other highest-scoring records for the same primary product.

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  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now
  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
    83Now
  • CVE-2019-13272In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to creKEV
    77This week
  • CVE-2013-6282The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addKEV
    77This week
  • CVE-2013-2094The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows loKEV
    77This week

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 Linux07793d2e55563124108762f4e5f811db92ffe02fVendor (CNA)
Linux Linux115fae2c1566eacc5ad2055f72521354612e72c3Vendor (CNA)
Linux Linux21d490232f323ed4053eb9924615e6fea291f154Vendor (CNA)
Linux Linux24ab2d4ef52c2dbb62a60844b87fc8872383407aVendor (CNA)
Linux Linux714fbf2647b1a33d914edd695d4da92029c7e7c0Vendor (CNA)
Linux Linuxb230f2d9441a34c7f483d39ab78519bcf73cc2e0Vendor (CNA)
Linux Linuxbd8d7daa0e53b184a2f3c6e0d47330780d0a0650Vendor (CNA)
Linux Linuxc641087d381a08363e5f14179bc6b0a23eca7c47Vendor (CNA)
Linux Linuxfe41ad8be036a3de3e4bdde709551aeb4de2fe7dVendor (CNA)
debian:linux5.17.3-1 · 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.

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.

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.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

  1. Fix✗ → ✓

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References

All records