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NVD / CVE Program· CNA Linux

CVE-2022-49729: nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred

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: 0.26% (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 0eeec1a8b0cd38c47edeb042980a6aeacecf35ed, 1eb0afecfb9cd0f38424b82bd9aaa542310934ee, 3e7c7df6991ac349f2fa8540047757df666e610f.

Low priority for now. Upgrade to Linux Linux 0eeec1a8b0cd38c47edeb042980a6aeacecf35ed, 1eb0afecfb9cd0f38424b82bd9aaa542310934ee, 3e7c7df6991ac349f2fa8540047757df666e610f 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: nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred Similar to the handling of play_deferred in commit 19cfe912c37b ("Bluetooth: btusb: Fix memory leak in play_deferred"), we thought a patch might be needed here as well. Currently usb_submit_urb is called directly to submit deferred tx urbs after unanchor them. So the usb_giveback_urb_bh would failed to unref it in usb_unanchor_urb and cause memory leak. Put those urbs in tx_anchor to avoid the leak, and also fix the error handling.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Feb 26, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 18th 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-2022-49729

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 4.9.320
  • linux linux kernel4.10 and later · before 4.14.285
  • linux linux kernel4.15 and later · before 4.19.249
  • linux linux kernel4.20 and later · before 5.4.200
  • linux linux kernel5.5 and later · before 5.10.124
  • linux linux kernel5.11 and later · before 5.15.49
  • linux linux kernel5.16 and later · before 5.18.6
  • linux linux kernel5.19

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

    • 3.14affected
    • f26e30cc6b50ba81e30ca3016c29ad4b48b93eaa and later · before 1eb0afecfb9cd0f38424b82bd9aaa542310934eeaffected · git
    • f26e30cc6b50ba81e30ca3016c29ad4b48b93eaa and later · before f21f908347712b8288ffe83b531b5e977042b29caffected · git
    • f26e30cc6b50ba81e30ca3016c29ad4b48b93eaa and later · before 3e7c7df6991ac349f2fa8540047757df666e610faffected · git
    • f26e30cc6b50ba81e30ca3016c29ad4b48b93eaa and later · before 6b4d8b44e7163a77fe942f5b80e1651c1b78c537affected · git
    • f26e30cc6b50ba81e30ca3016c29ad4b48b93eaa and later · before 0eeec1a8b0cd38c47edeb042980a6aeacecf35edaffected · git
    • f26e30cc6b50ba81e30ca3016c29ad4b48b93eaa and later · before 6616872cfe7f0474a22dd1f12699f95bcf81a54daffected · git
    • f26e30cc6b50ba81e30ca3016c29ad4b48b93eaa and later · before 3eadc560c1919b8193d17334145dad9a917960e4affected · git
    • f26e30cc6b50ba81e30ca3016c29ad4b48b93eaa and later · before 8a4d480702b71184fabcf379b80bf7539716752eaffected · git
    • before 3.14not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 5.18.14-15.18.14-1

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-2022-49727Feb 26, 2025 · ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
    22Monitor
  • ← EarlierCVE-2022-49728Feb 26, 2025 · ipv6: Fix signed integer overflow in __ip6_append_data
    22Monitor
  • Later →CVE-2022-49731Feb 26, 2025 · ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()
    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 Linux0eeec1a8b0cd38c47edeb042980a6aeacecf35edVendor (CNA)
Linux Linux1eb0afecfb9cd0f38424b82bd9aaa542310934eeVendor (CNA)
Linux Linux3e7c7df6991ac349f2fa8540047757df666e610fVendor (CNA)
Linux Linux3eadc560c1919b8193d17334145dad9a917960e4Vendor (CNA)
Linux Linux6616872cfe7f0474a22dd1f12699f95bcf81a54dVendor (CNA)
Linux Linux6b4d8b44e7163a77fe942f5b80e1651c1b78c537Vendor (CNA)
Linux Linux8a4d480702b71184fabcf379b80bf7539716752eVendor (CNA)
Linux Linuxf21f908347712b8288ffe83b531b5e977042b29cVendor (CNA)
debian:linux5.18.14-1 · 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.

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).

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-401 · Missing Release of Memory after Effective Lifetime

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 (7 more)

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

All records