CVE-2026-68317: pds_core: fix auxiliary device add/del races

mediumCVSS 4.1CVE-2026-68317

CSIRTS triage

vendor: Linux product: Linux Kernel Memory corruption

What: Race conditions exist in auxiliary device add/del operations within the pds_core driver.
Who is affected: Systems running Linux kernel with AMD/Pensando pds_core driver enabled.
Urgency: Medium priority; CVSS 4.1, add/del race can cause corruption or crash.
Action: Apply kernel patch adding proper locking around auxiliary device add/del operations.

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

⚡ Watch Linux Kernel

Get an email when a new Linux Kernel advisory drops — max one per day, one-click unsubscribe.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 4.1
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68317

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-2026-683170.17% 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-2026-68317	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

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.

highCVE-2026-68318: pds_core: fix use-after-free on workqueue during removemsrc · 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