CVE-2017-11176
High
Description
The mq_notify function in the Linux kernel through 4.11.9 does not set the sock pointer to NULL upon entry into the retry logic. During a user-space close of a Netlink socket, it allows attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 11, 2017
First seenJul 11, 2017
How to fix
Update
- linux linux_kernel3.2.92, 3.16.47, 3.18.61, 4.1.43, 4.4.77, 4.9.38, 4.11.11, 4.12.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.2.92, 3.3 ≤ v < 3.16.47, 3.17 ≤ v < 3.18.61, 3.19 ≤ v < 4.1.43, 4.2 ≤ v < 4.4.77, 4.5 ≤ v < 4.9.38, 4.10 ≤ v < 4.11.11, 4.12 ≤ v < 4.12.2 | 3.2.92, 3.16.47, 3.18.61, 4.1.43, 4.4.77, 4.9.38, 4.11.11, 4.12.2 |
| debian debian_linux | 8.0, 9.0 | — |
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