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CVE-2022-49906

ibmvnic: Free rwi on reset success

MEDIUM
5.5
CVSS Score
Published: May 1, 2025 at 02:10 PM UTC
Updated: June 17, 2026 at 05:19 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Free rwi on reset success Free the rwi structure in the event that the last rwi in the list processed successfully. The logic in commit 4f408e1fa6e1 ("ibmvnic: retry reset if there are no other resets") introduces an issue that results in a 32 byte memory leak whenever the last rwi in the list gets processed.

Affected

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

Linux Kernel· Linux
95%
5.14 ≤ v < 5.15.785.14 ≤ v < 6.0.85.14 ≤ v < 6.15.16 ≤ v < 6.0.84f408e1fa6e10b6da72691233369172bac7d9e9b6.1 rc16.1 rc26.1 rc3
Vendor states this is fixed in 535b78739ae75f257c894a05b1afa86ad9a3669e (fixed)
Vendor states this is fixed in c3543a287cfba9105dcc4bb41eb817f51266caaf (fixed)
Vendor states this is fixed in d6dd2fe71153f0ff748bf188bd4af076fe09a0a6 (fixed)
Vendor states this is fixed in 5.14 (unaffected)
Vendor states this is fixed in 5.15.78 (unaffected)
Vendor states this is fixed in 6.0.8 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/535b78739ae75f257c894a05b1afa86ad9a3669e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c3543a287cfba9105dcc4bb41eb817f51266caaf
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d6dd2fe71153f0ff748bf188bd4af076fe09a0a6

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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