io_uring: fix memory leak of uid in files registration
Priority LOW 24CWE-401Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-401.
Summary
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix memory leak of uid in files registration When there are no files for __io_sqe_files_scm() to process in the range, it'll free everything and return. However, it forgets to put uid.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00264 18th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.110, 5.15.33, 5.16.19 +2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | 5.5 and later | 5.10.110, 5.15.33, 5.16.19, 5.17.2, 5.18 | Patch available | CNA |
- Linux VendorLinux Affected 5.5 and later Fixed in 5.10.110, 5.15.33, 5.16.19, 5.17.2, 5.18 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.5 to before 5.10.110; 5.11 to before 5.15.33; 5.16 to before 5.16.19; 5.17 to before 5.17.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.5 to before 5.10.110; 5.11 to before 5.15.33; 5.16 to before 5.16.19; 5.17 to before 5.17.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.110, 5.15.33, 5.16.19, 5.17.2, 5.18
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- 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-2022-49144
- 2026-10-03 Alias added: GHSA-8f72-j8x6-xm9m
References
Patch 5
- https://git.kernel.org/stable/c/b27de7011cb3ba14b047be2cee0ed8278368665b
- https://git.kernel.org/stable/c/0853bd6885c2f293d88aaa7f7f1702c959b31680
- https://git.kernel.org/stable/c/d6d7a517e81accf6ed22d55684baea763d2dbe43
- https://git.kernel.org/stable/c/7fa8b228c3f30060b9f4b24bb9aaaf41b0ae83fe
- https://git.kernel.org/stable/c/c86d18f4aa93e0e66cda0e55827cd03eea6bc5f8
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-2022-49144 · CVE Program
- CVE-2022-49144 · NVD
- FIRST EPSS
- GHSA-8f72-j8x6-xm9m · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49144 · 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