In audit_free_lsm_field of auditfilter.c, there is a possible bad kfree due to a logic…
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 8 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In audit_free_lsm_field of auditfilter.c, there is a possible bad kfree due to a logic error in audit_data_to_entry. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-150693166References: Upstream kernel
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Android | Android kernel | — | No fix listed | CNA |
- Android Vendor— Affected Android kernel Fixed in — No fix listed CNA
Remediation
Red Hat 6 advisories
- RHSA-2021:0765 Released 2021-03-09 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder EUS (v. 8.2) kernel-tools-libs-devel-4.18.0-193.46.1.el8_2
- Red Hat Enterprise Linux BaseOS EUS (v. 8.2) bpftool-4.18.0-193.46.1.el8_2, kernel-4.18.0-193.46.1.el8_2, kernel-abi-whitelists-4.18.0-193.46.1.el8_2 +19
- RHSA-2021:0774 Released 2021-03-09 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time EUS (v. 8.2) kernel-rt-4.18.0-193.46.1.rt13.96.el8_2, kernel-rt-core-4.18.0-193.46.1.rt13.96.el8_2, kernel-rt-debug-4.18.0-193.46.1.rt13.96.el8_2 +7
- Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) kernel-rt-4.18.0-193.46.1.rt13.96.el8_2, kernel-rt-core-4.18.0-193.46.1.rt13.96.el8_2, kernel-rt-debug-4.18.0-193.46.1.rt13.96.el8_2 +9
- RHSA-2021:0763 Released 2021-03-09 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS EUS (v. 8.2) kpatch-patch-4_18_0-193-1-10.el8, kpatch-patch-4_18_0-193_13_2-1-5.el8_2, kpatch-patch-4_18_0-193_14_3-1-5.el8_2 +8
Show 3 more Red Hat advisories
- RHSA-2021:0689 Released 2021-03-03 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS EUS (v. 8.1) kpatch-patch-4_18_0-147_13_2-1-8.el8_1, kpatch-patch-4_18_0-147_20_1-1-7.el8_1, kpatch-patch-4_18_0-147_24_2-1-5.el8_1 +5
- RHSA-2021:0686 Released 2021-03-03 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v. 8.1)
- Red Hat Enterprise Linux BaseOS EUS (v. 8.1) kernel-4.18.0-147.43.1.el8_1, kernel-core-4.18.0-147.43.1.el8_1, kernel-debug-4.18.0-147.43.1.el8_1 +12
- RHSA-2020:4431 Released 2020-11-04 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-240.el8
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-240.el8, kernel-4.18.0-240.el8, kernel-abi-whitelists-4.18.0-240.el8 +19
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 6 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2020:4431 |
| Red Hat CodeReady Linux Builder EUS (v. 8.1) | Fixed | RHSA-2021:0686 |
| Red Hat CodeReady Linux Builder EUS (v. 8.2) | Fixed | RHSA-2021:0765 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2020:4431 |
| Red Hat Enterprise Linux BaseOS EUS (v. 8.1) | Fixed | RHSA-2021:0686, RHSA-2021:0689 |
| Red Hat Enterprise Linux BaseOS EUS (v. 8.2) | Fixed | RHSA-2021:0763, RHSA-2021:0765 |
| Red Hat Enterprise Linux Real Time EUS (v. 8.2) | Fixed | RHSA-2021:0774 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) | Fixed | RHSA-2021:0774 |
Not affected: 5 products
- Red Hat CodeReady Linux Builder EUS (v. 8.1)
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux BaseOS EUS (v. 8.1)
- Red Hat Enterprise MRG 2
Timeline
- 2026-10-02 Threatist record created from CVE-2020-0444
- 2026-10-03 Alias added: GHSA-5cx5-fcx6-4j7m
References
More Google Android vulnerabilities
- TI-2026-42236 Improper authorization in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
- TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
- TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2020-0444 · CVE Program
- CVE-2020-0444 · NVD
- FIRST EPSS
- GHSA-5cx5-fcx6-4j7m · GitHub Advisory Database · CC BY 4.0
- CVE-2020-0444 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences