xprtrdma: Fix cwnd update ordering (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.75 % · percentile 55 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Modified
Description
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Fix cwnd update ordering After a reconnect, the reply handler is opening the cwnd (and thus enabling more RPC Calls to be sent) /before/ rpcrdma_post_recvs() can post enough Receive WRs to receive their replies. This causes an RNR and the new connection is lost immediately. The race is most clearly exposed when KASAN and disconnect injection are enabled. This slows down rpcrdma_rep_create() enough to allow the send side to post a bunch of RPC Calls before the Receive completion handler can invoke ib_post_recv().
References
- https://git.kernel.org/stable/c/eddae8be7944096419c2ae29477a45f767d0fcd4
- https://git.kernel.org/stable/c/8834ecb5df22b7ff3c9b0deba7726579bb613f95
- https://git.kernel.org/stable/c/19b5fa9489b5706bc878c3a522a7f771079e2fa0
- https://git.kernel.org/stable/c/35d8b10a25884050bb3b0149b62c3818ec59f77c
- https://security.netapp.com/advisory/ntap-20250411-0001/
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | Linux |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
| CVSS 3.1 | MEDIUM 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-33649
- GCVE · GCVE-0-2021-47001
CERT-FR advisories
- CERTFR-2025-AVI-0276 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0046 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0022 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2024-AVI-1108 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2024-AVI-1101 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0363 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.38cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.11.22cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.12 < 5.12.5
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 2ae50ad68cd79224198b525f7bd645c9da98b6ff < eddae8be7944096419c2ae29477a45f767d0fcd4 ; affected 2ae50ad68cd79224198b525f7bd645c9da98b6ff < 8834ecb5df22b7ff3c9b0deba7726579bb613f95 ; affected 2ae50ad68cd79224198b525f7bd645c9da98b6ff < 19b5fa9489b5706bc878c3a522a7f771079e2fa0 ; affected 2ae50ad68cd79224198b525f7bd645c9da98b6ff < 35d8b10a25884050bb3b0149b62c3818ec59f77c ; affected 3791c5982ba1eebf2900ee7ca7b9a89619c26d54 ; affected 5.4.13 < 5.5 |
| Linux · Linux | affected 5.5 ; unaffected 0 < 5.5 ; unaffected 5.10.38 ≤ 5.10.* ; unaffected 5.11.22 ≤ 5.11.* ; unaffected 5.12.5 ≤ 5.12.* ; unaffected 5.13 ≤ * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |