CVE-2026-53248
kernel: net: airoha: Fix use-after-free in metadata dst teardown
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Severity
ModerateRed Hat Product Security
CVSS
Review impact separately from score.
Published · June 25, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's airoha network driver. This use-after-free vulnerability occurs when the airoha_metadata_dst_free() function frees memory prematurely, before all references to it are released. If a network packet still holds a pointer to the freed memory, a use-after-free condition can arise. This could lead to system instability or potentially allow an attacker to escalate privileges.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE-911 · Improper Update of Reference Count