CVE-2022-20564
In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to...
In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-243798789References: N/A
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-243798789References: N/A
- Record
CVE-2022-20564- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List
In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-243798789References: N/A
- Record
CVE-2022-20564- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2022-25824
In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-243798789References: N/A
- Record
EUVD-2022-25824- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fv6p-hqfj-h3rj
In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to...
In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-243798789References: N/A
- Record
GHSA-fv6p-hqfj-h3rj- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSVPUB-A-243798789 No score
In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-243798789- Updated
- 2026-11-09
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
Bootloader:0 up to Bootloader:2022-12-05, plus listed versions Bootloader |
Bootloader:2022-12-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-20564 is a medium vulnerability (CVSS 6.7) in Google Android, published December 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. Fixed in :unknown: Bootloader:2022-12-05.