CVE-2026-63893 thunderbolt: property: Reject u32 wrap in tb_property_entry_valid()

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: property: Reject u32 wrap in tbpropertyentryvalid entry-value is u32 and entry-length is u16; the sum is performed in u32 and wraps. A malicious XDomain peer can pick value = 0xffffff00, length = 0x100 so the sum...

PT-2026-61209

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the thunderbolt property handling where the tb property parse dir function fails to properly validate the dir len value derived from entry-length. When dir len is less...

PT-2026-61210

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer wrap occurs in the tb property entry valid function when calculating the sum of entry-value u32 and entry-length u16. A malicious XDomain peer can provide specific values that...