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CVE-2020-14308 PUBLISHED

In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.

EPSS 0.04% · 10.9th percentile

Risk Scores

EPSS Score
0.04%
10.9th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSgrub2-unsigned2.04-1ubuntu44.2, 2.04-1ubuntu44, 0
Ubuntu:16.04:LTSgrub22.02~beta2-36ubuntu3.16, 2.02~beta2-36ubuntu3.17, 2.02~beta2-36ubuntu3.18
Ubuntu:20.04:LTSgrub22.04-1ubuntu20, 2.04-1ubuntu18, 2.04-1ubuntu16
Ubuntu:Pro:14.04:LTSgrub2-signed1.34.8, 1.34.9, 1.34.13
Ubuntu:Pro:14.04:LTSgrub22.02~beta2-9ubuntu1.15, 2.00-19ubuntu2, 2.00-19ubuntu3
Ubuntu:18.04:LTSgrub2-signed1.93.8, 1.93.5, 1.93.4
Ubuntu:16.04:LTSgrub2-unsigned0, 2.04-1ubuntu44, 2.04-1ubuntu44.1
Ubuntu:16.04:LTSgrub2-signed1.61, 1.66.9, 1.66.11
Ubuntu:18.04:LTSgrub2-unsigned0, 2.04-1ubuntu44, 2.04-1ubuntu44.1
Ubuntu:18.04:LTSgrub22.02-2ubuntu2, 2.02-2ubuntu1, 2.02~beta3-4ubuntu7
Ubuntu:20.04:LTSgrub2-signed1.130, 1.131, 1.133

Timeline

References

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