VulnerabilityPublished 18 Oct 2026

CVE-2026-98478: Linux kernel · scsi: ufs: core: Keep internal commands dispatchable during error handling

Source GCVE Database

Authoritative record:CVE-2026-98478· Medium

Not known to be exploited : upgrade to b52d695d062095327b944acf7daabbc816ab319b or 9f6f4840def931814c106fc800f57a2d26befee6 when convenient.

Data as of 26 Oct 2026, 13:47 UTC

Severity

Medium

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS: 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in b52d695d062095327b944acf7daabbc816ab319b, 9f6f4840def931814c106fc800f57a2d26befee6

Exploitation evidence

Disclosed: evidence found.
CVE published 18 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

ghsa-56m6-r6q3-6xw7

What to do

Upgrade Linux kernel to b52d695d062095327b944acf7daabbc816ab319b or 9f6f4840def931814c106fc800f57a2d26befee6.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected ≥ 08b12cda6c44dc015bcc152613c35ee0ae8f37b9, < b52d695d062095327b944acf7daabbc816ab319b	Fixed in b52d695d062095327b944acf7daabbc816ab319b
LinuxLinux	Affected ≥ 08b12cda6c44dc015bcc152613c35ee0ae8f37b9, < 9f6f4840def931814c106fc800f57a2d26befee6	Fixed in 9f6f4840def931814c106fc800f57a2d26befee6
LinuxLinux	Affected =6.19	Fixed in–

AI-suggested

A fix has been implemented in the Linux kernel to address this issue by adjusting the quiescing behavior during error handling. Users should apply the official kernel update containing this fix once available. Patch status is not explicitly confirmed in the provided data; therefore, check the vendor or Linux kernel advisory for the current remediation guidance.

Description

A vulnerability in the Linux kernel's SCSI UFS core was resolved that involved internal commands becoming non-dispatchable during error handling, causing a deadlock. The issue arose because internal commands were dispatched on a pseudo SCSI device queue that was quiesced along with regular logical units, leading to an unrecoverable circular wait. The fix ensures that while logical units remain quiesced during error recovery, the pseudo device queue for internal commands is unquiesced to keep those commands dispatchable, preventing deadlock.

References

Community reviews

Loading reviews…