CVE-2022-49144

io_uring: fix memory leak of uid in files registration

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 01:55 AM UTC
Updated: June 17, 2026 at 05:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.11 ≤ v < 5.15.335.16 ≤ v < 5.16.195.17 ≤ v < 5.17.25.5 ≤ v < 5.10.1105.5 ≤ v < 5.15.335.5 ≤ v < 5.16.195.5 ≤ v < 5.17.25.5 ≤ v < 5.185.58a451739a9b5783f67de51e84cb6d9559bb9dc4
Vendor states this is fixed in 0853bd6885c2f293d88aaa7f7f1702c959b31680 (fixed)
Vendor states this is fixed in 7fa8b228c3f30060b9f4b24bb9aaaf41b0ae83fe (fixed)
Vendor states this is fixed in b27de7011cb3ba14b047be2cee0ed8278368665b (fixed)
Vendor states this is fixed in c86d18f4aa93e0e66cda0e55827cd03eea6bc5f8 (fixed)
Vendor states this is fixed in d6d7a517e81accf6ed22d55684baea763d2dbe43 (fixed)
Vendor states this is fixed in 5.10.110 (unaffected)
Vendor states this is fixed in 5.15.33 (unaffected)
Vendor states this is fixed in 5.16.19 (unaffected)
Vendor states this is fixed in 5.17.2 (unaffected)
Vendor states this is fixed in 5.18 (unaffected)
Vendor states this is fixed in 5.5 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0853bd6885c2f293d88aaa7f7f1702c959b31680
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7fa8b228c3f30060b9f4b24bb9aaaf41b0ae83fe
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b27de7011cb3ba14b047be2cee0ed8278368665b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c86d18f4aa93e0e66cda0e55827cd03eea6bc5f8
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d6d7a517e81accf6ed22d55684baea763d2dbe43

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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