CVE-2022-49762: ntfs: check overflow when iterating ATTR_RECORDs
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: 0.21% (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 45683723f6b53e39e8a4cec0894e61fd6ec71989, 5559eb5809353a83a40a1e4e7f066431c7b83020, 63095f4f3af59322bea984a6ae44337439348fe0.
Low priority for now. Upgrade to Linux Linux 45683723f6b53e39e8a4cec0894e61fd6ec71989, 5559eb5809353a83a40a1e4e7f066431c7b83020, 63095f4f3af59322bea984a6ae44337439348fe0 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: ntfs: check overflow when iterating ATTR_RECORDs Kernel iterates over ATTR_RECORDs in mft record in ntfs_attr_find(). Because the ATTR_RECORDs are next to each other, kernel can get the next ATTR_RECORD from end address of current ATTR_RECORD, through current ATTR_RECORD length field. The problem is that during iteration, when kernel calculates the end address of current ATTR_RECORD, kernel may trigger an integer overflow bug in executing `a = (ATTR_RECORD*)((u8*)a + le32_to_cpu(a->length))`. This may wrap, leading to a forever iteration on 32bit systems. This patch solves it by adding some checks on calculating end address of current ATTR_RECORD during iteration.
- Published
- May 1, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 12th percentile
- CWE
- —
Report tools
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%
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.
Running WordPress? Scan your site free with WP Lens
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.
We use this product, ask for helpAffected 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.
| Vendor | Product | CPE |
|---|---|---|
| linux | linux kernel | cpe:2.3:o:linux:linux_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 4.9.334
- linux linux kernel4.10 and later · before 4.14.300
- linux linux kernel4.15 and later · before 4.19.267
- linux linux kernel4.20 and later · before 5.4.225
- linux linux kernel5.5 and later · before 5.10.156
- linux linux kernel5.11 and later · before 5.15.80
- linux linux kernel5.16 and later · before 6.0.10
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 5559eb5809353a83a40a1e4e7f066431c7b83020affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 86f36de14dce5802856bb7a5921d74439db00b64affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 45683723f6b53e39e8a4cec0894e61fd6ec71989affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before b612f924f296408d7d02fb4cd01218afd4ed7184affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 957732a09c3828267c2819d31c425aa793dd475baffected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before b63ddb3ba61e2d3539f87e095c881e552bc45dabaffected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 785b2af9654b8beac55644e36da0085c5d776361affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 63095f4f3af59322bea984a6ae44337439348fe0affected · git
- before 2.6.12not affected · semver
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | linux | before 6.0.10-1 | 6.0.10-1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-64kb | before 5.14.21-150500.55.110.1 | 5.14.21-150500.55.110.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-docs | before 5.14.21-150500.55.110.1 | 5.14.21-150500.55.110.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-obs-build | before 5.14.21-150500.55.110.1 | 5.14.21-150500.55.110.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-syms | before 5.14.21-150500.55.110.1 | 5.14.21-150500.55.110.1 |
| SUSE:Linux Enterprise Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_27 | before 1-150500.11.7.1 | 1-150500.11.7.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default | before 5.14.21-150500.55.110.1 | 5.14.21-150500.55.110.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default-base | before 5.14.21-150500.55.110.1.150500.6.51.3 | 5.14.21-150500.55.110.1.150500.6.51.3 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-rt | before 5.14.21-150500.13.97.1 | 5.14.21-150500.13.97.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-source | before 5.14.21-150500.55.110.1 | 5.14.21-150500.55.110.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-source-rt | before 5.14.21-150500.13.97.1 | 5.14.21-150500.13.97.1 |
| SUSE:Linux Enterprise Server 15 SP5-LTSS | kernel-zfcpdump | before 5.14.21-150500.55.110.1 | 5.14.21-150500.55.110.1 |
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV90Now
- 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 KEV89Now
- CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV85Now
Published before and after this one in the same product
- ← EarlierCVE-2025-37796May 1, 2025 · wifi: at76c50x: fix use after free access in at76_disconnect31Monitor
- ← EarlierCVE-2020-36790May 1, 2025 · nvmet: fix a memory leak22Monitor
- Later →CVE-2022-49763May 1, 2025 · ntfs: fix use-after-free in ntfs_attr_find()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 / package | Fixed version | Source |
|---|---|---|
| Linux Linux | 45683723f6b53e39e8a4cec0894e61fd6ec71989 | Vendor (CNA) |
| Linux Linux | 5559eb5809353a83a40a1e4e7f066431c7b83020 | Vendor (CNA) |
| Linux Linux | 63095f4f3af59322bea984a6ae44337439348fe0 | Vendor (CNA) |
| Linux Linux | 785b2af9654b8beac55644e36da0085c5d776361 | Vendor (CNA) |
| Linux Linux | 86f36de14dce5802856bb7a5921d74439db00b64 | Vendor (CNA) |
| Linux Linux | 957732a09c3828267c2819d31c425aa793dd475b | Vendor (CNA) |
| Linux Linux | b612f924f296408d7d02fb4cd01218afd4ed7184 | Vendor (CNA) |
| Linux Linux | b63ddb3ba61e2d3539f87e095c881e552bc45dab | Vendor (CNA) |
| debian:linux | 6.0.10-1 · Debian:12 | Package registry (OSV) |
| suse:kernel-64kb | 5.14.21-150500.55.110.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-default | 5.14.21-150500.55.110.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-default-base | 5.14.21-150500.55.110.1.150500.6.51.3 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-docs | 5.14.21-150500.55.110.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP5_Update_27 | 1-150500.11.7.1 · SUSE:Linux Enterprise Live Patching 15 SP5 | Package registry (OSV) |
| suse:kernel-obs-build | 5.14.21-150500.55.110.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-rt | 5.14.21-150500.13.97.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-source | 5.14.21-150500.55.110.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-source-rt | 5.14.21-150500.13.97.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-syms | 5.14.21-150500.55.110.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-zfcpdump | 5.14.21-150500.55.110.1 · SUSE:Linux Enterprise Server 15 SP5-LTSS | Package 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 researchersFinders, 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
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (7 more)Show less
- git.kernel.org/stable/c/5559eb5809353a83a40a1e4e7f066431c7b83020
- git.kernel.org/stable/c/63095f4f3af59322bea984a6ae44337439348fe0
- git.kernel.org/stable/c/785b2af9654b8beac55644e36da0085c5d776361
- git.kernel.org/stable/c/86f36de14dce5802856bb7a5921d74439db00b64
- git.kernel.org/stable/c/957732a09c3828267c2819d31c425aa793dd475b
- git.kernel.org/stable/c/b612f924f296408d7d02fb4cd01218afd4ed7184
- git.kernel.org/stable/c/b63ddb3ba61e2d3539f87e095c881e552bc45dab
Vendor advisories and official records. Exploit/PoC links are deliberately left out.