5.1

CVE-2026-68241: drm/i915/mst: limit DP MST ESI service loop

Received
AliasesUBUNTU-CVE-2026-68241DEBIAN-CVE-2026-68241
Published 10-08-2026Last modified 30-10-2026

Vulnerability summary

CVE-2026-68241 is a medium (CVSS 5.1) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.1, physical access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.1/10
010
Medium · v4.0 (OSV · Ubuntu), selected by version preference
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 17 · Related 15
MGASA-2026-0336MGASA-2026-0337OPENSUSE-SU-2026:22167-1SUSE-SU-2026:24371-1SUSE-SU-2026:24379-1SUSE-SU-2026:24386-1

Timeline

  1. 10-08-2026
    PublishedVulnerability first disclosed.
  2. 30-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915/mst: limit DP MST ESI service loop The loop in intel_dp_check_mst_status() keeps servicing interrupts originating from the sink without bound. Add an upper bound to the new interrupts occurring during interrupt processing to not get stuck on potentially stuck sink devices. Use arbitrary 32 tries to clear incoming interrupts in one go. Discovered using AI-assisted static analysis confirmed by Intel Product Security. Note: The condition likely pre-dates the commit in the Fixes: tag, but this is about as far back as a backport has any chance of succeeding. Before that, the retry had a goto. (cherry picked from commit b4ea5272133059acb493cc36599071a9e852ec2e)

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.21% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: physical access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 7.0.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 7.0.0-1014.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.115-2 | < 7.1.6-1
Linux1 product
  • linux≥ 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7, < 76a1817d31f1a01fc5d9de63cb219e2c10d40400 | ≥ 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7, < fae63319ad397666a9c56a17ea1047d2bf9a1e25 | ≥ 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7, < 02ceba559412751106c0cfa5cbdb80db50303083 | ≥ 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7, < e3bcd3bf7eeca9570b9fa0b2f8a602c7bcc6b0d0 | ≥ 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7, < 9061fbf2230b6fcef042a6f637beae57c2fc93a5 | ≥ 3c0ec2c2d5948356a22c8f1c08a8087b12a303e7, < 005771c18c5b2c98cb4e7517661aea460990fd3f | 5.8

3 vendors · 159 products

References

15 links
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