Files
vuln-ubuntu/data/osv/usn/USN-3836-1.json
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{
"schema_version": "1.7.0",
"id": "USN-3836-1",
"summary": "linux, linux-gcp, linux-kvm, linux-raspi2 vulnerabilities",
"details": "Jann Horn discovered that the Linux kernel mishandles mapping UID or GID\nranges inside nested user namespaces in some situations. A local attacker\ncould use this to bypass access controls on resources outside the\nnamespace. (CVE-2018-18955)\n\nPhilipp Wendler discovered that the overlayfs implementation in the Linux\nkernel did not properly verify the directory contents permissions from\nwithin a unprivileged user namespace. A local attacker could use this to\nexpose sensitive information (protected file names). (CVE-2018-6559)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2018-6559",
"UBUNTU-CVE-2018-18955"
],
"related": [],
"published": "2018-12-03T19:40:09Z",
"modified": "2026-04-22T07:36:36Z",
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