CVE-2024-41079: nvmet: always initialize cqe.result
First published: Mon Jul 29 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.1.101 | 6.1.101 |
| redhat/kernel | <6.6.42 | 6.6.42 |
| redhat/kernel | <6.9.11 | 6.9.11 |
| redhat/kernel | <6.10 | 6.10 |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/0990e8a863645496b9e3f91cfcfd63cd95c80319
- https://git.kernel.org/stable/c/10967873b80742261527a071954be8b54f0f8e4d
- https://git.kernel.org/stable/c/30d35b24b7957922f81cfdaa66f2e1b1e9b9aed2
- https://git.kernel.org/stable/c/cd0c1b8e045a8d2785342b385cb2684d9b48e426
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-41079
- https://nvd.nist.gov/vuln/detail/CVE-2024-41079
- https://launchpad.net/bugs/cve/CVE-2024-41079
- https://security-tracker.debian.org/tracker/CVE-2024-41079
- https://ubuntu.com/security/CVE-2024-41079
- https://git.kernel.org/linus/cd0c1b8e045a8d2785342b385cb2684d9b48e426
- https://lore.kernel.org/linux-cve-announce/2024072925-CVE-2024-41079-09c3@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2301649
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2300456
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