Overview
- Description
- In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-416
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.4.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "19F0AF6E-E2DF-4D4C-840E-7B66D0A2B2A3"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.4.0:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "13BDAE24-5AE5-4E68-A325-18C8383BBDFD"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.4.0:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CF8CE461-5227-46BC-B913-3BF09141554E"
}
],
"operator": "OR"
}
]
}
]