CVE-2017-12192
Medium
Description
The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedOct 12, 2017
First seenOct 12, 2017
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 4.13.4 | — |
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