CVE-2017-7482
High
Description
In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 30, 2018
First seenJul 30, 2018
Weakness typeCWE-190Integer overflow
How to fix
Update
- linux linux_kernel3.2.90, 3.10.108, 3.16.45, 3.18.59, 4.1.43, 4.4.75, 4.9.35, 4.11.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.2.90, 3.3 ≤ v < 3.10.108, 3.11 ≤ v < 3.16.45, 3.17 ≤ v < 3.18.59, 3.19 ≤ v < 4.1.43, 4.2 ≤ v < 4.4.75, 4.5 ≤ v < 4.9.35, 4.10 ≤ v < 4.11.8 | 3.2.90, 3.10.108, 3.16.45, 3.18.59, 4.1.43, 4.4.75, 4.9.35, 4.11.8 |
| debian debian_linux | 8.0, 9.0 | — |
| redhat enterprise_mrg | 2.0 | — |
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