CVE-2026-68318: pds_core: fix use-after-free on workqueue during remove

highCVSS 7.8CVE-2026-68318

CSIRTS triage

vendor: Linux product: Linux kernel Memory corruption

What: The pds_core driver has a use-after-free vulnerability in workqueue handling during device removal.
Who is affected: Linux systems with Pensando DMA Security core driver.
Urgency: High priority; CVSS 7.8 and use-after-free during removal poses serious risk.
Action: Apply kernel patch fixing workqueue cleanup synchronization in pds_core remove.

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: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68318

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-2026-683180.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-68318	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownCVE-2026-68318: In the Linux kernel, the following vulnerability has been resolved: pds_core: fix use-after-fr…nvd

Recent advisories for pds_core

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

mediumCVE-2026-68317: pds_core: fix auxiliary device add/del racesmsrc · 2026-08-11
unknownCVE-2026-68319: In the Linux kernel, the following vulnerability has been resolved: pds_core: fix deadlock bet…nvd · 2026-08-10
unknownCVE-2026-68318: In the Linux kernel, the following vulnerability has been resolved: pds_core: fix use-after-fr…nvd · 2026-08-10
unknownCVE-2026-68317: In the Linux kernel, the following vulnerability has been resolved: pds_core: fix auxiliary de…nvd · 2026-08-10
highCVE-2026-64148: In the Linux kernel, the following vulnerability has been resolved: pds_core: fix error handli…nvd · 2026-07-19
unknownCVE-2026-64147: In the Linux kernel, the following vulnerability has been resolved: pds_core: fix debugfs_look…nvd · 2026-07-19