VulnerabilityModified
CVE-2015-9016
In blk_mq_tag_to_rq in blk-mq.c in the upstream kernel, there is a possible use after free due to a race condition when a request has been previously freed by blk_mq_complete_request.
HIGH 7.0EPSS 0.15%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In blk_mq_tag_to_rq in blk-mq.c in the upstream kernel, there is a possible use after free due to a race condition when a request has been previously freed by blk_mq_complete_request. This could lead to local escalation of privilege. Product: Android. Versions: Android kernel. Android ID: A-63083046.
- CVSS 3.0
- 7.0 HIGHCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.15% probability · 4th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264, CWE-362
- Affected
- google/android
- Source
- security@android.com
References
- https://github.com/torvalds/linux/commit/0048b4837affd153897ed1222283492070027aa9Patch, Vendor Advisory
- https://source.android.com/security/bulletin/2018-02-01Patch, Vendor Advisory
- https://www.debian.org/security/2018/dsa-4187
- https://github.com/torvalds/linux/commit/0048b4837affd153897ed1222283492070027aa9Patch, Vendor Advisory
- https://source.android.com/security/bulletin/2018-02-01Patch, Vendor Advisory
- https://www.debian.org/security/2018/dsa-4187
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.