Use after free in Kernel
Priority LOW 34CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Why it matters now
EPSS 0.00249 16th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
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 |
|---|---|---|---|---|---|
| — | Kernel | Linux kernel 6.0-rc3 | — | No fix listed | CNA |
- Kernel Vendor— Affected Linux kernel 6.0-rc3 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 2.6.12 to before 4.9.331; 4.10 to before 4.14.296; 4.15 to before 4.19.262; 4.20 to before 5.4.218; 5.5 to before 5.10.148; 5.11 to before 5.15.73; 5.16 to before 5.19.15; 6.0 to before 6.0.1 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.12 to before 4.9.331; 4.10 to before 4.14.296; 4.15 to before 4.19.262; 4.20 to before 5.4.218; 5.5 to before 5.10.148; 5.11 to before 5.15.73; 5.16 to before 5.19.15; 6.0 to before 6.0.1 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
Not affected: 3 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-2978
- 2026-10-03 Alias added: GHSA-mhfc-6hhr-w9gw
References
Sources
- CVE-2022-2978 · CVE Program
- CVE-2022-2978 · NVD
- FIRST EPSS
- GHSA-mhfc-6hhr-w9gw · GitHub Advisory Database · CC BY 4.0
- CVE-2022-2978 · 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