CVE-2017-18075
High
Description
crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJan 24, 2018
First seenJan 24, 2018
How to fix
Update
- linux linux_kernel4.4.111, 4.9.76, 4.14.13 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.2 ≤ v < 4.4.111, 4.5 ≤ v < 4.9.76, 4.10 ≤ v < 4.14.13 | 4.4.111, 4.9.76, 4.14.13 |
| canonical ubuntu_linux | 14.04, 16.04 | — |
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