CVE-2026-63819
kernel: f2fs: fix to do sanity check on f2fs_get_node_folio_ra()
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Severity
ModerateRed Hat Product Security
CVSS
Review impact separately from score.
Published · July 19, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's f2fs (Flash-Friendly File System) component. A local attacker could create a specially crafted or corrupted f2fs filesystem that, when mounted and operated upon, would trigger a sanity check failure during filesystem truncation. This issue leads to a kernel panic, resulting in a Denial of Service (DoS) for the system.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE-823 · Use of Out-of-range Pointer Offset