The dvb frontend management subsystem in the Linux kernel contains a use-after-free which can allow a malicious user to write to memory that may be assigned to another kernel structure. This could create memory corruption, panic, or possibly other side affects.
Find out more about CVE-2017-16648 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7, MRG-2 and real-time kernels.
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux kernel-alt package.
Future Linux kernel updates for the respective releases may address this issue.
CVSS3 Base Score | 4.6 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Attack Vector | Physical |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | None |
Availability Impact | High |
Platform | Errata | Release Date |
---|---|---|
Red Hat Enterprise Linux 7 (kernel-alt) | RHSA-2018:2948 | 2018-10-30 |
Platform | Package | State |
---|---|---|
Red Hat Enterprise MRG 2 | realtime-kernel | Not affected |
Red Hat Enterprise Linux 7 | kernel-rt | Not affected |
Red Hat Enterprise Linux 7 | kernel | Not affected |
Red Hat Enterprise Linux 6 | kernel | Not affected |
Red Hat Enterprise Linux 5 | kernel | Not affected |