CVE-2020-15469
Published: 2 July 2020
In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.
Notes
Author | Note |
---|---|
mdeslaur | impact is limited, a privileged guest user can only use this issue to perform a denial of service to their own instance |
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
bionic |
Released
(1:2.11+dfsg-1ubuntu7.37)
|
eoan |
Ignored
(reached end-of-life)
|
|
focal |
Released
(1:4.2-3ubuntu6.17)
|
|
groovy |
Released
(1:5.0-5ubuntu9.9)
|
|
hirsute |
Released
(1:5.2+dfsg-9ubuntu3.1)
|
|
impish |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
jammy |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
kinetic |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
lunar |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
trusty |
Needed
|
|
upstream |
Needs triage
|
|
xenial |
Needed
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=520f26fc6d17b71a43eaf620e834b3bdf316f3d3 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=4f2a5202a05fc1612954804a2482f07bff105ea2 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=24202d2b561c3b4c48bd28383c8c34b4ac66c2bf upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=f867cebaedbc9c43189f102e4cdfdff05e88df7f upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=b5bf601f364e1a14ca4c3276f88dfec024acf613 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=921604e175b8ec06c39503310e7b3ec1e3eafe9e upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=2c9fb3b784000c1df32231e1c2464bb2e3fc4620 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=735754aaa15a6ed46db51fd731e88331c446ea54 |
||
qemu-kvm Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 2.3 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | Low |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15469
- https://www.openwall.com/lists/oss-security/2020/07/02/1
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.html (v3)
- https://lists.gnu.org/archive/html/qemu-devel/2020-08/msg02003.html (v4)
- https://ubuntu.com/security/notices/USN-5010-1
- NVD
- Launchpad
- Debian