High

CVE-2023-54130 — hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling

In the Linux kernel, the following vulnerability has been resolved: hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling Commit 55d1cbbbb29e ("hfs/hfsplus: use WARN_ON for sanity check") fixed a build warning by turning a comment into a WARN_ON(), but it turns out that syzbot then complains because it can trigger said warning with a corrupted hfs image. The warning actually does warn about a bad situation, but we are much better off just handling it as the error it is. So rather than warn about us doing bad things, stop doing the bad things and return -EIO. While at it, also fix a memory leak that was introduced by an earlier fix for a similar syzbot warning situation, and add a check for one case that historically wasn't handled at all (ie neither comment nor subsequent WARN_ON).

Published Dec 24, 2025 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: Linux

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 0.2% (30-day exploitation probability)+1
Technical severity (high)+6

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

0.17%

ahead of 5% of scored CVEs · Oct 14, 2026

Affects

Linux

CVSS base

7.8

High · 2 source(s)

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (Linux Linux).
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Search available logs for exploit probes, errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Linux	Linux	≥ c886c10a6eddb99923b315f42bf63f448883ef9a and < cc2164ada548addfa8ee215196661c3afe0c5154≥ 2344f17c0a89c181ab1a9fef57fd8c3bddfd6e30 and < 82725be426bce0a425cc5e26fbad61ffd29cff03≥ 90103ccb6e60aa4efe48993d23d6a528472f2233 and < da23752d9660ba7a8ca6c5768fd8776f67f59ee7≥ 4fd3a11804c8877ff11fec59c5c53f1635331e3e and < be01f35efa876eb81cebab2cb0add068b7280ef4≥ 48d9e2e6de01ed35e965eb549758a837c07b601d and < f10defb0be6ac42fb6a97b45920d32da6bd6fde8≥ 55d1cbbbb29e6656c662ee8f73ba1fc4777532eb and < 90e019006644dad35862cb4aa270f561b0732066≥ 55d1cbbbb29e6656c662ee8f73ba1fc4777532eb and < 45917be9f0af339a45b4619f31c902d37b8aed59≥ 55d1cbbbb29e6656c662ee8f73ba1fc4777532eb and < cb7a95af78d29442b8294683eca4897544b8ef46 and 4 more version 8c40f2dbae603ef0bd21e87c63f54ec59fd88256version 367296925c7625c3969d2a78d7a3e1dee161beb5≥ 4.9.337 and < 4.10version 5.16	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Local

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
7.8	CVSS 3.1	High	1.8	5.9	416baaa9-dc9f-4396-8d5f-8c081fb06d67 via NIST National Vulnerability Database
7.8	CVSS 3.1	High	—	—	Linux via CVE Program (cve.org) e CISA ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (score shown at the top: 416baaa9-dc9f-4396-8d5f-8c081fb06d67)

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.17%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Local/physical vector: focus on endpoint telemetry (EDR) from affected hosts.

endpoint telemetry (EDR)

Timeline

What happened to this CVE, newest first.

2026
Affected products added · linux/linux
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 13, 2026
CVSS changed · 7.8
Oct 13, 2026 · NIST National Vulnerability Database
Source status changed · → Deferred
Oct 13, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 13, 2026 · NIST National Vulnerability Database
2025
CVE published
Dec 24, 2025 · Linux

Source activity

Repeated readings are counted rather than listed.

1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

8 on the record

git.kernel.org/stable/c/82725be426bce0a425cc5e26fbad61ffd29cff03
NIST National Vulnerability Database
git.kernel.org/stable/c/cc2164ada548addfa8ee215196661c3afe0c5154
NIST National Vulnerability Database
git.kernel.org/stable/c/f10defb0be6ac42fb6a97b45920d32da6bd6fde8
NIST National Vulnerability Database
git.kernel.org/stable/c/cb7a95af78d29442b8294683eca4897544b8ef46
NIST National Vulnerability Database
git.kernel.org/stable/c/45917be9f0af339a45b4619f31c902d37b8aed59
NIST National Vulnerability Database
git.kernel.org/stable/c/da23752d9660ba7a8ca6c5768fd8776f67f59ee7
NIST National Vulnerability Database
git.kernel.org/stable/c/90e019006644dad35862cb4aa270f561b0732066
NIST National Vulnerability Database
git.kernel.org/stable/c/be01f35efa876eb81cebab2cb0add068b7280ef4
NIST National Vulnerability Database

Elsewhere on this site

Linux
every CVE for this vendor

Related CVEs (same products)

Critical CVE-2026-99999 ipv4: validate checksum_start before completing checksum 9h
Unknown CVE-2026-98432 ipv4: free inet_opt and ireq_opt after an RCU grace period 9h
Unknown CVE-2026-98424 wifi: cfg80211: undo netns switch if renaming the wiphy fails 1d
Unknown CVE-2026-98425 wifi: mac80211: don't warn when an IBSS has no channel to scan 1d
Unknown CVE-2026-98426 wifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path 1d
Unknown CVE-2026-98427 net/sched: codel: bound the dropping loop per dequeue call 1d

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No fixed version, patch or mitigation documented.
No CISA SSVC assessment.
No CWE classification.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2023-54130 is "hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling", rated High. It affects Linux (Linux); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 7.8 describes technical severity. EPSS 0.17% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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