CVE-2017-8824
High
Description
The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedDec 5, 2017
First seenDec 5, 2017
How to fix
Update
- linux linux_kernel3.2.97, 3.16.52, 3.18.95, 4.1.50, 4.4.116, 4.9.82, 4.14.20 or later
Vendor advisories
- debian.org/security/2018/dsa-4082
- usn.ubuntu.com/3583-2/
- usn.ubuntu.com/3582-1/
- access.redhat.com/errata/RHSA-2018:1062
- access.redhat.com/errata/RHSA-2018:1319
- usn.ubuntu.com/3583-1/
- access.redhat.com/errata/RHSA-2018:0676
- access.redhat.com/errata/RHSA-2018:1216
- usn.ubuntu.com/3581-1/
- usn.ubuntu.com/3581-3/
- access.redhat.com/errata/RHSA-2018:1170
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.14 ≤ v < 3.2.97, 3.3 ≤ v < 3.16.52, 3.17 ≤ v < 3.18.95, 3.19 ≤ v < 4.1.50, 4.2 ≤ v < 4.4.116, 4.5 ≤ v < 4.9.82, 4.10 ≤ v < 4.14.20 | 3.2.97, 3.16.52, 3.18.95, 4.1.50, 4.4.116, 4.9.82, 4.14.20 |
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