CVE-2026-93244: drm/sysfb: simpledrm: Improve stride validation
Noroxi assessment
Priority: Monitor (action score 0/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.19% (FIRST EPSS).
- Fixed version: Linux Linux 110dd054fd4af97fc3f47d7df9a016b07122cc04, 6892f0a2f6b5990b9572ba043dd14dd4df6bb3f0, b09d27caf49ff584dbafdba3bb95487a75cb8824; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 Release Notes.
- Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).
Low priority for now. Upgrade to Linux Linux 110dd054fd4af97fc3f47d7df9a016b07122cc04, 6892f0a2f6b5990b9572ba043dd14dd4df6bb3f0, b09d27caf49ff584dbafdba3bb95487a75cb8824; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 Release Notes or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
In the Linux kernel, the following vulnerability has been resolved: drm/sysfb: simpledrm: Improve stride validation Validate the computed stride against the maximum value INT_MAX.
- Published
- Sep 24, 2026
- Updated
- Oct 30, 2026
- EPSS
- 0.1% · 8th percentile
- CWE
- —
Report tools
Action score
0
Monitor
Low priority for now.
- CVSS
- 0 / 40 · —
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.1%
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
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Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.
Linux Linux
- 6.1affected
- 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1 and later · before f69b81d1f70573ba68685a0a0a197613f5efc7cdaffected · git
- 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1 and later · before 110dd054fd4af97fc3f47d7df9a016b07122cc04affected · git
- 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1 and later · before b09d27caf49ff584dbafdba3bb95487a75cb8824affected · git
- 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1 and later · before 6892f0a2f6b5990b9572ba043dd14dd4df6bb3f0affected · git
- 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1 and later · before bbdc6761c55662fb9ddf5ab580acb616131998feaffected · git
- 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1 and later · before df6533f11688aa30be3bb883c7637f4ffdbb7cbdaffected · git
- before 6.1not affected · semver
- 6.1.191 and later · up to and including 6.1.*not affected · semver
- 6.6.160 and later · up to and including 6.6.*not affected · semver
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | linux | from 0 | — |
| Debian:12 | linux-6.12 | before 6.12.113-1~deb12u1 | 6.12.113-1~deb12u1 |
| Debian:13 | linux | before 6.12.113-1 | 6.12.113-1 |
| Debian:14 | linux | before 7.2.6-1 | 7.2.6-1 |
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation40Plan
- CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment40Plan
- CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()40Plan
Published before and after this one in the same product
- ← EarlierCVE-2026-93242Sep 24, 2026 · scsi: qla2xxx: Fix response queue over-consumption in __qla_consume_iocb()0Monitor
- ← EarlierCVE-2026-93243Sep 24, 2026 · mm/secretmem: properly account locked pages0Monitor
- Later →CVE-2026-93245Sep 24, 2026 · apparmor: policy_int make sure list heads are initialized before fail path0Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Linux Linux | 110dd054fd4af97fc3f47d7df9a016b07122cc04 | Vendor (CNA) |
| Linux Linux | 6892f0a2f6b5990b9572ba043dd14dd4df6bb3f0 | Vendor (CNA) |
| Linux Linux | b09d27caf49ff584dbafdba3bb95487a75cb8824 | Vendor (CNA) |
| Linux Linux | bbdc6761c55662fb9ddf5ab580acb616131998fe | Vendor (CNA) |
| Linux Linux | df6533f11688aa30be3bb883c7637f4ffdbb7cbd | Vendor (CNA) |
| Linux Linux | f69b81d1f70573ba68685a0a0a197613f5efc7cd | Vendor (CNA) |
| azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 | Release Notes | Microsoft (MSRC) |
| debian:linux | 6.12.113-1 · Debian:13 | Package registry (OSV) |
| debian:linux | 7.2.6-1 · Debian:14 | Package registry (OSV) |
| debian:linux-6.12 | 6.12.113-1~deb12u1 · Debian:12 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-26-1181 · Sep 25, 2026(Linux Kernel Güvenlik Bildirimi)
Technical details
No CVSS vector for this record, so attack conditions can't be derived.
Weakness class (CWE)
—
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (5 more)Show less
- git.kernel.org/stable/c/6892f0a2f6b5990b9572ba043dd14dd4df6bb3f0
- git.kernel.org/stable/c/b09d27caf49ff584dbafdba3bb95487a75cb8824
- git.kernel.org/stable/c/bbdc6761c55662fb9ddf5ab580acb616131998fe
- git.kernel.org/stable/c/df6533f11688aa30be3bb883c7637f4ffdbb7cbd
- git.kernel.org/stable/c/f69b81d1f70573ba68685a0a0a197613f5efc7cd
Vendor advisories and official records. Exploit/PoC links are deliberately left out.