CVE-2020-25084
Publication date 25 September 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked.
Status
Package | Ubuntu Release | Status |
---|---|---|
qemu | 24.10 oracular |
Fixed 1:5.2+dfsg-2ubuntu1
|
24.04 LTS noble |
Fixed 1:5.2+dfsg-2ubuntu1
|
|
22.04 LTS jammy |
Fixed 1:5.2+dfsg-2ubuntu1
|
|
20.04 LTS focal |
Fixed 1:4.2-3ubuntu6.10
|
|
18.04 LTS bionic |
Fixed 1:2.11+dfsg-1ubuntu7.34
|
|
16.04 LTS xenial |
Fixed 1:2.5+dfsg-5ubuntu10.48
|
|
14.04 LTS trusty | Ignored end of ESM support, was needed | |
qemu-kvm | 24.10 oracular | Not in release |
24.04 LTS noble | Not in release | |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Patch details
Package | Patch details |
---|---|
qemu |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 3.2 · Low |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | None |
Availability impact | Low |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L |
References
Related Ubuntu Security Notices (USN)
- USN-4650-1
- QEMU vulnerabilities
- 30 November 2020
Other references
- https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08050.html
- https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08043.html
- https://www.openwall.com/lists/oss-security/2020/09/16/5
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fxhci_uaf_2
- http://www.openwall.com/lists/oss-security/2020/09/16/5
- https://www.cve.org/CVERecord?id=CVE-2020-25084