Skip to content
Noroxi
CVE-2026-72070· NVD / CVE Program· CNA Linux

wifi: libertas_tf: fix use-after-free in lbtf_free_adapter()

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: 0.22% (FIRST EPSS).
  • Fixed version: Linux Linux 066b59e84f90d270cc15f0370166155aca507630, 2fba1d3b2f031a2c68e566a6d45cc5b7a8d6683d, 4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf.

Low priority for now. Upgrade to Linux Linux 066b59e84f90d270cc15f0370166155aca507630, 2fba1d3b2f031a2c68e566a6d45cc5b7a8d6683d, 4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf 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: wifi: libertas_tf: fix use-after-free in lbtf_free_adapter() lbtf_free_adapter() calls timer_delete(&priv->command_timer), which does not wait for a running command_timer_fn() callback. lbtf_free_adapter() runs on the teardown path right before ieee80211_free_hw() frees priv, both in lbtf_remove_card() and in the probe error path. command_timer is armed by mod_timer() in lbtf_cmd() whenever a firmware command is sent. command_timer_fn() dereferences priv. If a command times out as the device is removed, command_timer_fn() runs concurrently with teardown and dereferences priv after it has been freed. This is the same use-after-free that commit 03cc8f90d053 ("wifi: libertas: fix use-after-free in lbs_free_adapter()") fixed in the sibling libertas driver. The libertas_tf variant has the identical pattern and was left unchanged. Use timer_delete_sync() so any in-flight callback completes before priv is freed.

—No exploit Fix available
Published
Aug 15, 2026
Updated
Aug 23, 2026
EPSS
0.2% · 11th 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%

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-2026-72070

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

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits instantly.

Your free account also gets you

Running WordPress? Scan your site free with WP Lens

  • Stack alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Don't want an account? Get "Exploited this week" by email every MondayDon't want an account? RSS feed for linux records

Running WordPress? Scan your site free with WP Lens

Is your version affected? Check it

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 help

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

    • 2.6.28affected
    • 06b16ae5319251c26377afcb401e46056d5673f4 and later · before bd75636681588c67006279abdb9a76a708b3ce29affected · git
    • 06b16ae5319251c26377afcb401e46056d5673f4 and later · before 2fba1d3b2f031a2c68e566a6d45cc5b7a8d6683daffected · git
    • 06b16ae5319251c26377afcb401e46056d5673f4 and later · before 9392fd5de555272449d3d8c63410ea00f8ec853aaffected · git
    • 06b16ae5319251c26377afcb401e46056d5673f4 and later · before 4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcfaffected · git
    • 06b16ae5319251c26377afcb401e46056d5673f4 and later · before 066b59e84f90d270cc15f0370166155aca507630affected · git
    • 06b16ae5319251c26377afcb401e46056d5673f4 and later · before fcff712d0e3d183843ec3916470ee6cc3455baadaffected · git
    • 06b16ae5319251c26377afcb401e46056d5673f4 and later · before bcf7968cb97ce4312588042cf2712f04caff6d8faffected · git
    • 06b16ae5319251c26377afcb401e46056d5673f4 and later · before aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438daffected · git
    • before 2.6.28not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.187-16.1.187-1
Debian:12linux-6.12before 6.12.101-1~deb12u16.12.101-1~deb12u1
Debian:13linuxbefore 6.12.101-16.12.101-1
Debian:14linuxbefore 7.1.5-17.1.5-1

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-2026-72063Aug 15, 2026 · gpio: tegra: do not call pinctrl for GPIO direction
    0Monitor
  • ← EarlierCVE-2026-72068Aug 15, 2026 · posix-cpu-timers: Use u64 multiplication in update_rlimit_cpu()
    0Monitor
  • Later →CVE-2026-72071Aug 15, 2026 · tracing/user_events: Fix use-after-free in user_event_mm_dup()
    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 Linux066b59e84f90d270cc15f0370166155aca507630Vendor (CNA)
Linux Linux2fba1d3b2f031a2c68e566a6d45cc5b7a8d6683dVendor (CNA)
Linux Linux4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcfVendor (CNA)
Linux Linux9392fd5de555272449d3d8c63410ea00f8ec853aVendor (CNA)
Linux Linuxaa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438dVendor (CNA)
Linux Linuxbcf7968cb97ce4312588042cf2712f04caff6d8fVendor (CNA)
Linux Linuxbd75636681588c67006279abdb9a76a708b3ce29Vendor (CNA)
Linux Linuxfcff712d0e3d183843ec3916470ee6cc3455baadVendor (CNA)
debian:linux6.1.187-1 · Debian:12Package registry (OSV)
debian:linux-6.126.12.101-1~deb12u1 · 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

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✗ → ✓

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