CVE-2024-26842: scsi: ufs: core: Fix shift issue in ufshcd_clear_cmd()

highCVSS 7.8CVE-2024-26842

CSIRTS triage

product: Linux kernel (scsi: ufs: core)Memory corruption

What: A shift operation issue in ufshcd_clear_cmd() can cause memory corruption or crashes in UFS driver code.
Who is affected: Linux systems using the UFS (Universal Flash Storage) SCSI subsystem driver.
Urgency: High urgency; CVSS 7.8 (high severity), memory corruption can lead to kernel instability or privilege escalation.
Action: Apply Linux kernel patches that fix the shift operation in the ufshcd_clear_cmd() function.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.8
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26842

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2024-268420.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-26842	coverage & exploitation status	NVD · CVE.org

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