High-severity vulnerability in Linux caused by a single faulty character
ID: 78e5aec1-ff48-5f5c-930c-11a261a9a824
STIX ID: report--78e5aec1-ff48-5f5c-930c-11a261a9a824
Feed Name: Ars Technica Security (category)
Threat Score
The report details CVE-2026-53111, a Linux kernel use-after-free vulnerability caused by an incorrect exclamation mark that can be exploited by an unprivileged user to escalate privileges to root; Exodus Intelligence and FuzzingLabs published proof-of-concept exploits that worked on Debian/Ubuntu with high stability, and the kernel fix was released in February and backported to major distributions.
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