io_uring UAF, Unix SCM garbage collection
Priority HIGH 66CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
io_uring UAF, Unix SCM garbage collection
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01433 73rd percentileScored 2026-11-07
Fix Fixed linux (The Linux Kernel Organization): 6.1~rc1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | linux | before 6.1~rc1 | 6.1~rc1 | Patch available | CNA |
- linux VendorLinux Affected before 6.1~rc1 Fixed in 6.1~rc1 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 6.0.19 | Vulnerable | Linux |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:* | 18.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | 20.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* | 22.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:22.10:*:*:*:-:*:*:* | 22.10 | Vulnerable | Canonical |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 6.0.19 Vulnerable ·Linux
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:* Versions 18.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Versions 20.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* Versions 22.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:22.10:*:*:*:-:*:*:* Versions 22.10 Vulnerable ·Canonical
Remediation
- Fix · CNA linux (The Linux Kernel Organization) Fixed in 6.1~rc1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-2602
References
Advisory 6
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-2602 · CVE Program
- CVE-2022-2602 · NVD
- FIRST EPSS
- CVE-2022-2602 · 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