Improved Seeding and Hashing In gVisor
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.2%
exploitation probability
0.2%top 87% of all CVEs
observed exploitation
nono source reports it
A weak hashing algorithm and small sizes of seeds/secrets in Google's gVisor allowed for a remote attacker to calculate a local IP address and a per-boot identifier that could aid in tracking of a device in certain circumstances.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Affected products
Google · gVisorReferences
https://github.com/google/gvisor/commit/83f75082e5b03fafca9201d9d9939028f712b0b2https://github.com/google/gvisor/commit/e54bfde79278cafadedbf73c68ee10cb5982f2afhttps://github.com/google/gvisor/commit/f956b5ac17ae1f60a4d21999b59ba18c55f86d56https://www.ndss-symposium.org/wp-content/uploads/2025-122-paper.pdf