Race condition in cpio 2.6 and earlier allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by cpio after the decompression is complete.
Severity
CVSS 3.1
4.7 medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)