Vulnerability · Published Jan 8, 2020 · Assigned by google_android
CVE-2020-0009
Medium 5.5
In plain English
A medium-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.7%top 47.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In calc_vm_may_flags of ashmem.c, there is a possible arbitrary write to shared memory due to a permissions bypass. This could lead to local escalation of privilege by corrupting memory shared between processes, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-142938932
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.5.13-1 | DEBIAN-CVE-2020-0009 |
| Debian:13 | linux | 5.5.13-1 | DEBIAN-CVE-2020-0009 |
| Debian:14 | linux | 5.5.13-1 | DEBIAN-CVE-2020-0009 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2020-0009 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2020-0009 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2020-0009 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2020-0009 |
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2020-01-01 x_refsource_CONFIRM
- http://packetstormsecurity.com/files/155903/Android-ashmem-Read-Only-Bypasses.html x_refsource_MISC
- [debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update mailing-list, x_refsource_MLIST
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update mailing-list, x_refsource_MLIST