CVE-2024-41079

nvmet: always initialize cqe.result

State: Published
Severity: 7.5 High
Published: Jul 29, 2024
Updated: Aug 5, 2026
Reserved: Jul 12, 2024

Description

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

nvmet: always initialize cqe.result

The spec doesn't mandate that the first two double words (aka results) for the command queue entry need to be set to 0 when they are not used (not specified). Though, the target implemention returns 0 for TCP and FC but not for RDMA.

Let's make RDMA behave the same and thus explicitly initializing the result field. This prevents leaking any data from the stack.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	a07b4970f464f13640e28e16dad6cfa33647cc99 to before c6a2cf8b0764f3ba7d9bff58c8775a6d4476bb29Affected a07b4970f464f13640e28e16dad6cfa33647cc99 to before 30d35b24b7957922f81cfdaa66f2e1b1e9b9aed2Affected a07b4970f464f13640e28e16dad6cfa33647cc99 to before 10967873b80742261527a071954be8b54f0f8e4dAffected a07b4970f464f13640e28e16dad6cfa33647cc99 to before 0990e8a863645496b9e3f91cfcfd63cd95c80319Affected a07b4970f464f13640e28e16dad6cfa33647cc99 to before cd0c1b8e045a8d2785342b385cb2684d9b48e426Affected
LinuxLinux	4.8Affected before 4.8Not affected 5.15.209 through 5.15.Not affected 6.1.101 through 6.1.Not affected 6.6.42 through 6.6.Not affected 6.9.11 through 6.9.Not affected 6.10 and laterNot affected

Product

Versions

LinuxLinux

a07b4970f464f13640e28e16dad6cfa33647cc99 to before c6a2cf8b0764f3ba7d9bff58c8775a6d4476bb29Affected
a07b4970f464f13640e28e16dad6cfa33647cc99 to before 30d35b24b7957922f81cfdaa66f2e1b1e9b9aed2Affected
a07b4970f464f13640e28e16dad6cfa33647cc99 to before 10967873b80742261527a071954be8b54f0f8e4dAffected
a07b4970f464f13640e28e16dad6cfa33647cc99 to before 0990e8a863645496b9e3f91cfcfd63cd95c80319Affected
a07b4970f464f13640e28e16dad6cfa33647cc99 to before cd0c1b8e045a8d2785342b385cb2684d9b48e426Affected

LinuxLinux

4.8Affected
before 4.8Not affected
5.15.209 through 5.15.*Not affected
6.1.101 through 6.1.*Not affected
6.6.42 through 6.6.*Not affected
6.9.11 through 6.9.*Not affected
6.10 and laterNot affected

References

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