An integer-overflow vulnerability was found in the scsi block-request handling code in function start_req(). A local attacker could use specially crafted IOV requests to overflow a counter used in bio_map_user_iov()'s page calculation, and write past the end of the array that contains kernel-page pointers.
Find out more about CVE-2015-5707 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 6, 7 MRG-2 and realtime kernels and does not plan be addressed in a future update.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 4.6 |
---|---|
Base Metrics | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Access Vector | Local |
Access Complexity | Low |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Enterprise MRG 2 | realtime-kernel | Will not fix |
Red Hat Enterprise Linux 7 | kernel-rt | Will not fix |
Red Hat Enterprise Linux 7 | kernel | Will not fix |
Red Hat Enterprise Linux 6 | kernel | Will not fix |
Red Hat Enterprise Linux 5 | kernel | Not affected |