CVE-2026-68270drm/sysfb: Avoid possible truncation with calculating visible size
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: drm/sysfb: Avoid possible truncation with calculating visible size Calculating the visible size of the system framebuffer can result in truncation of the result. The calculation uses 32-bit arithmetics, which can overflow if the values for height and stride are large. Fix the issue by multiplying with mul_u32_u32().
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 32ae90c66fb62e4f6ae859422f733dfb249f10cf before 154795885e8f0033c918c815aece543168bee670; 32ae90c66fb62e4f6ae859422f733dfb249f10cf builds before 9d58a811739a365cd693192f4b5344d736967a88; from 32ae90c66fb62e4f6ae859422f733dfb249f10cf before b771974988ec7ce077a7246fa0fa588c246fe581 | CNA record |
References
- https://git.kernel.org/stable/c/154795885e8f0033c918c815aece543168bee670
- https://git.kernel.org/stable/c/9d58a811739a365cd693192f4b5344d736967a88
- https://git.kernel.org/stable/c/b771974988ec7ce077a7246fa0fa588c246fe581
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.