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NVD / CVE Program· CNA Linux

CVE-2023-54197: Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"

—No exploit Fix available

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: 0.23% (FIRST EPSS).
  • Fixed version: Linux Linux 0837d10f6c37a47a0c73bccf1e39513613a2fcc2, 3b4ed52009723f7dfca7a8ca95163bfb441bfb76, 4.14.315.

Low priority for now. Upgrade to Linux Linux 0837d10f6c37a47a0c73bccf1e39513613a2fcc2, 3b4ed52009723f7dfca7a8ca95163bfb441bfb76, 4.14.315 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: Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work" This reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f. This patch introduces a possible null-ptr-def problem. Revert it. And the fixed bug by this patch have resolved by commit 73f7b171b7c0 ("Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition").

Published
Dec 30, 2025
Updated
Oct 28, 2026
EPSS
0.2% · 14th 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

    • 6.3affected
    • 95eacef5692545f199fae4e52abfbfa273acb351 and later · before 3b4ed52009723f7dfca7a8ca95163bfb441bfb76affected · git
    • af4d48754d5517d33bac5e504ff1f1de0808e29e and later · before 70a104588e3131415e559c06deb834ce259a285aaffected · git
    • a18fb433ceb56e0787546a9d77056dd0f215e762 and later · before de0ffb5145c9f418ad76f00e58d4b91c680410b2affected · git
    • da3d3fdfb4d523c5da30e35a8dd90e04f0fd8962 and later · before 0837d10f6c37a47a0c73bccf1e39513613a2fcc2affected · git
    • 8efae2112d910d8e5166dd0a836791b08721eef1 and later · before a789192f366147a0fbb395650079906d1d04e0b9affected · git
    • cbf8deacb7053ce3e3fed64b277c6c6989e65bba and later · before 952030c914b5f2288609efe868537afcff7a3f51affected · git
    • c59c65a14e8f7d738429648833f3bb3f9df0513f and later · before 8f83fa62614c282dd5d1211a0dd99c6a0a515b81affected · git
    • 1e9ac114c4428fdb7ff4635b45d4f46017e8916f and later · before d8d7ce037d9a8f1f0714ece268c4c2c50845bbc3affected · git
    • 1e9ac114c4428fdb7ff4635b45d4f46017e8916f and later · before db2bf510bd5d57f064d9e1db395ed86a08320c54affected · git

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.37-16.1.37-1
Debian:13linuxbefore 6.3.7-16.3.7-1

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-2023-54195Dec 30, 2025 · rxrpc: Fix timeout of a call that hasn't yet been granted a channel
    0Monitor
  • ← EarlierCVE-2023-54196Dec 30, 2025 · fs/ntfs3: Fix NULL pointer dereference in 'ni_write_inode'
    0Monitor
  • Later →CVE-2023-54198Dec 30, 2025 · tty: fix out-of-bounds access in tty_driver_lookup_tty()
    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 Linux0837d10f6c37a47a0c73bccf1e39513613a2fcc2Vendor (CNA)
Linux Linux3b4ed52009723f7dfca7a8ca95163bfb441bfb76Vendor (CNA)
Linux Linux4.14.315Vendor (CNA)
Linux Linux4.19.283Vendor (CNA)
Linux Linux5.10.180Vendor (CNA)
Linux Linux5.15.111Vendor (CNA)
Linux Linux5.4.243Vendor (CNA)
Linux Linux6.1.28Vendor (CNA)
Linux Linux6.2.15Vendor (CNA)
Linux Linux70a104588e3131415e559c06deb834ce259a285aVendor (CNA)
Linux Linux8f83fa62614c282dd5d1211a0dd99c6a0a515b81Vendor (CNA)
Linux Linux952030c914b5f2288609efe868537afcff7a3f51Vendor (CNA)
Linux Linuxa789192f366147a0fbb395650079906d1d04e0b9Vendor (CNA)
Linux Linuxd8d7ce037d9a8f1f0714ece268c4c2c50845bbc3Vendor (CNA)
Linux Linuxdb2bf510bd5d57f064d9e1db395ed86a08320c54Vendor (CNA)
Linux Linuxde0ffb5145c9f418ad76f00e58d4b91c680410b2Vendor (CNA)
debian:linux6.1.37-1 · 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.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

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.

References

Show all references (8 more)

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

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