USN-7578-1 fixed a vulnerability in UDisks. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that UDisks incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can use this issue to escalate their privileges to root.
{
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{
"binary_version": "2.7.6-3ubuntu0.2+esm1",
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{
"binary_version": "2.7.6-3ubuntu0.2+esm1",
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{
"binary_version": "2.7.6-3ubuntu0.2+esm1",
"binary_name": "udisks2-lvm2"
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"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
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"binary_name": "libudisks2-0"
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{
"binary_version": "2.8.4-1ubuntu2+esm1",
"binary_name": "udisks2"
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{
"binary_version": "2.8.4-1ubuntu2+esm1",
"binary_name": "udisks2-bcache"
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{
"binary_version": "2.8.4-1ubuntu2+esm1",
"binary_name": "udisks2-btrfs"
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{
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{
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"binary_name": "udisks2-vdo"
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{
"binary_version": "2.8.4-1ubuntu2+esm1",
"binary_name": "udisks2-zram"
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],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}