CVE-2022-48949

igb: Initialize mailbox message for VF reset

State: Published
Severity: Not scored
Published: Oct 21, 2024
Updated: May 11, 2026
Reserved: Aug 22, 2024

Description

In the Linux kernel, the following vulnerability has been resolved:

igb: Initialize mailbox message for VF reset

When a MAC address is not assigned to the VF, that portion of the message sent to the VF is not set. The memory, however, is allocated from the stack meaning that information may be leaked to the VM. Initialize the message buffer to 0 so that no information is passed to the VM in this case.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before a6629659af3f5c6a91e3914ea62554c975ab77f4Affected 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before ef1d739dd1f362aec081278ff92f943c31eb177aAffected 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before c581439a977545d61849a72e8ed631cfc8a2a3c1Affected 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before f2479c3daaabccbac6c343a737615d0c595c6dc4Affected 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before 367e1e3399dbc56fc669740c4ab60e35da632b0eAffected 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before 51fd5ede7ed42f272682a0c33d6f0767b3484a3dAffected 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before c383c7c35c7bc15e07a04eefa060a8a80cbeae29Affected 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before de5dc44370fbd6b46bd7f1a1e00369be54a041c8Affected
LinuxLinux	4.0Affected before 4.0Not affected 4.14.303 through 4.14.Not affected 4.19.270 through 4.19.Not affected 5.4.229 through 5.4.Not affected 5.10.161 through 5.10.Not affected 5.15.85 through 5.15.Not affected 6.0.15 through 6.0.Not affected 6.1.1 through 6.1.*Not affected 6.2 and laterNot affected

Product

Versions

LinuxLinux

6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before a6629659af3f5c6a91e3914ea62554c975ab77f4Affected
6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before ef1d739dd1f362aec081278ff92f943c31eb177aAffected
6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before c581439a977545d61849a72e8ed631cfc8a2a3c1Affected
6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before f2479c3daaabccbac6c343a737615d0c595c6dc4Affected
6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before 367e1e3399dbc56fc669740c4ab60e35da632b0eAffected
6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before 51fd5ede7ed42f272682a0c33d6f0767b3484a3dAffected
6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before c383c7c35c7bc15e07a04eefa060a8a80cbeae29Affected
6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 to before de5dc44370fbd6b46bd7f1a1e00369be54a041c8Affected

LinuxLinux

4.0Affected
before 4.0Not affected
4.14.303 through 4.14.*Not affected
4.19.270 through 4.19.*Not affected
5.4.229 through 5.4.*Not affected
5.10.161 through 5.10.*Not affected
5.15.85 through 5.15.*Not affected
6.0.15 through 6.0.*Not affected
6.1.1 through 6.1.*Not affected
6.2 and laterNot affected

References

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