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NVD / CVE Program· CNA Linux

CVE-2025-68289: usb: gadget: f_eem: Fix memory leak in eem_unwrap

Noroxi assessment

Priority: Monitor (action score 0/100)

  • 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: 0.20% (FIRST EPSS).
  • Fixed version: Linux Linux 0ac07e476944a5e4c2b8b087dd167dec248c1bdf, 0dea2e0069a7e9aa034696f8065945b7be6dd6b7, 4.10; azl3 kernel 6.6.117.1-1 on Azure Linux 3.0 6.6.119.3-1.

Low priority for now. Upgrade to Linux Linux 0ac07e476944a5e4c2b8b087dd167dec248c1bdf, 0dea2e0069a7e9aa034696f8065945b7be6dd6b7, 4.10; azl3 kernel 6.6.117.1-1 on Azure Linux 3.0 6.6.119.3-1 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: usb: gadget: f_eem: Fix memory leak in eem_unwrap The existing code did not handle the failure case of usb_ep_queue in the command path, potentially leading to memory leaks. Improve error handling to free all allocated resources on usb_ep_queue failure. This patch continues to use goto logic for error handling, as the existing error handling is complex and not easily adaptable to auto-cleanup helpers. kmemleak results: unreferenced object 0xffffff895a512300 (size 240): backtrace: slab_post_alloc_hook+0xbc/0x3a4 kmem_cache_alloc+0x1b4/0x358 skb_clone+0x90/0xd8 eem_unwrap+0x1cc/0x36c unreferenced object 0xffffff8a157f4000 (size 256): backtrace: slab_post_alloc_hook+0xbc/0x3a4 __kmem_cache_alloc_node+0x1b4/0x2dc kmalloc_trace+0x48/0x140 dwc3_gadget_ep_alloc_request+0x58/0x11c usb_ep_alloc_request+0x40/0xe4 eem_unwrap+0x204/0x36c unreferenced object 0xffffff8aadbaac00 (size 128): backtrace: slab_post_alloc_hook+0xbc/0x3a4 __kmem_cache_alloc_node+0x1b4/0x2dc __kmalloc+0x64/0x1a8 eem_unwrap+0x218/0x36c unreferenced object 0xffffff89ccef3500 (size 64): backtrace: slab_post_alloc_hook+0xbc/0x3a4 __kmem_cache_alloc_node+0x1b4/0x2dc kmalloc_trace+0x48/0x140 eem_unwrap+0x238/0x36c

—No exploit Fix available
Published
Dec 16, 2025
Updated
Oct 13, 2026
EPSS
0.2% · 10th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

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Noroxi analysis

What does it mean in your environment?

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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.

—

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

    • d55a236f1bab102e353ea5abb7b7b6ff7e847294, 8e275d3d5915a8f7db3786e3f84534bb48245f4c, 3680a6ff9a9ccd3c664663da04bef2534397d591, d654be97e1b679616e3337b871a9ec8f31a88841, 8bdef7f21cb6e53c0ce3e1cbcb05975aa0dd0fe9, 77d7f071883cf2921a7547f82e41f15f7f860e35, a55093941e38113dd6f5f5d5d2705fec3018f332, 5.14affected
    • 3b545788505b2e2883aff13bdddeacaf88942a4f and later · before a9985a88b2fc29fbe1657fe8518908e261d6889caffected · git
    • 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 and later · before 5a1628283cd9dccf1e44acfb74e77504f4dc7472affected · git
    • 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 and later · before 0ac07e476944a5e4c2b8b087dd167dec248c1bdfaffected · git
    • 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 and later · before 41434488ca714ab15cb2a4d0378418d1be8052d2affected · git
    • 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 and later · before e72c963177c708a167a7e17ed6c76320815157cfaffected · git
    • 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 and later · before 0dea2e0069a7e9aa034696f8065945b7be6dd6b7affected · git
    • 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 and later · before e4f5ce990818d37930cd9fb0be29eee0553c59d9affected · git
    • 5.10.50 and later · before 5.10.247affected · semver
    • 4.4.276 and later · before 4.5affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.159-16.1.159-1
Debian:13linuxbefore 6.12.63-16.12.63-1
Debian:14linuxbefore 6.17.11-16.17.11-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2025-68287Dec 16, 2025 · usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths
    0Monitor
  • ← EarlierCVE-2025-68288Dec 16, 2025 · usb: storage: Fix memory leak in USB bulk transport
    0Monitor
  • Later →CVE-2025-68290Dec 16, 2025 · most: usb: fix double free on late probe failure
    0Monitor

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 Linux0ac07e476944a5e4c2b8b087dd167dec248c1bdfVendor (CNA)
Linux Linux0dea2e0069a7e9aa034696f8065945b7be6dd6b7Vendor (CNA)
Linux Linux4.10Vendor (CNA)
Linux Linux4.15Vendor (CNA)
Linux Linux4.20Vendor (CNA)
Linux Linux4.5Vendor (CNA)
Linux Linux41434488ca714ab15cb2a4d0378418d1be8052d2Vendor (CNA)
Linux Linux5.10.247Vendor (CNA)
Linux Linux5.13Vendor (CNA)
Linux Linux5.14Vendor (CNA)
Linux Linux5.5Vendor (CNA)
Linux Linux5a1628283cd9dccf1e44acfb74e77504f4dc7472Vendor (CNA)
Linux Linuxa9985a88b2fc29fbe1657fe8518908e261d6889cVendor (CNA)
Linux Linuxe4f5ce990818d37930cd9fb0be29eee0553c59d9Vendor (CNA)
Linux Linuxe72c963177c708a167a7e17ed6c76320815157cfVendor (CNA)
azl3 kernel 6.6.117.1-1 on Azure Linux 3.06.6.119.3-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:linux6.1.159-1 · 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.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

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✗ → ✓

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References

Show all references (6 more)

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

All records