Summary
Linux Kernel contains a missing initialization of a variable vulnerability that could allow for unintended modification of page-cache-backed data via failure to preserve the shared-fragment marker during socket buffer coalescing, causing ESP input processing to decrypt shared fragments in place. This vulnerability can be chained with CVE-2026-109618 and CVE-2026-109619 to implant PHP webshells and run commands as root.
- Vendor
- Linux
- Product
- Kernel
- Added to KEV
- Oct 28, 2026
- Remediation due
- Oct 31, 2026 (US federal deadline)
- Ransomware use
- Not known
- Weakness
- CWE-456
- EPSS
- 16.1% as of Nov 12
In the news
- No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
- none recorded
References