CVE-2019-19767
CVSS V2 Medium 4.3
CVSS V3 Medium 5.5
Description
The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.
Overview
- CVE ID
- CVE-2019-19767
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2019-12-12T20:15:17
- Last Modified Date
- 2020-01-03T11:15:15
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.4.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2 | Release Notes Vendor Advisory |
| https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a | Patch Third Party Advisory |
| https://bugzilla.kernel.org/show_bug.cgi?id=205609 | Exploit Issue Tracking Vendor Advisory |
| https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a | Patch Vendor Advisory |
| https://bugzilla.kernel.org/show_bug.cgi?id=205707 | Issue Tracking Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20200103-0001/ | |
| https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html | |
| https://usn.ubuntu.com/4258-1/ | |
| https://usn.ubuntu.com/4287-1/ | |
| https://usn.ubuntu.com/4287-2/ | |
| https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html | |
| https://usn.ubuntu.com/4284-1/ | |
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-19767 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19767 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:54:45 | Added to TrackCVE | |||
| 2022-12-04 07:49:50 | 2019-12-12T20:15Z | 2019-12-12T20:15:17 | CVE Published Date | updated |
| 2022-12-04 07:49:50 | 2020-01-03T11:15:15 | CVE Modified Date | updated | |
| 2022-12-04 07:49:50 | Modified | Vulnerability Status | updated |