RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-100075
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 14:17:14 UTC
Updated2026-09-30 14:10:59 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters When srpt_alloc_rw_ctxs() fails partway through a multi-buffer indirect descriptor, the unwind path destroys RDMA contexts but leaves stale n_rw_ctx and n_rdma values (and a dangling rw_ctxs pointer). Later sq_wr_avail accounting in srpt_queue_response() or srpt_write_pending() can then subtract the wrong number of send queue credits. Reset the counters and clear rw_ctxs after freeing the heap allocation before returning an error.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.004220000 probability, percentile 0.339900000 (date 2026-09-27)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 af00051dbc9f467d4840ec709680660a3f8990fa git Not specified
CNA Linux Linux affected b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 717ab4d0614e9446bf8e2de6229464499e4008d6 git Not specified
CNA Linux Linux affected b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 f1f2252da52cdda912da9993f39f58783b01b38f git Not specified
CNA Linux Linux affected b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 f65f45dfa1e6e2eaa9e11c8b8ce8857799cb189d git Not specified
CNA Linux Linux affected b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 be1478849e1abb1e12dc12e14cdbf800cc6fa99a git Not specified
CNA Linux Linux affected b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 af073bd245180393bcb15d33d3990a6bdc32593a git Not specified
CNA Linux Linux affected b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 bd02d644bd19a2795c018635d273d91e45d2bb95 git Not specified
CNA Linux Linux affected b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 b38f98e176050850f41bb6415f3a71400056623e git Not specified
CNA Linux Linux affected 4.7 Not specified
CNA Linux Linux unaffected 4.7 semver Not specified
CNA Linux Linux unaffected 5.10.270 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.221 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.188 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.52 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f1f2252da52cdda912da9993f39f58783b01b38f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/be1478849e1abb1e12dc12e14cdbf800cc6fa99a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/af073bd245180393bcb15d33d3990a6bdc32593a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/af00051dbc9f467d4840ec709680660a3f8990fa 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/bd02d644bd19a2795c018635d273d91e45d2bb95 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b38f98e176050850f41bb6415f3a71400056623e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/717ab4d0614e9446bf8e2de6229464499e4008d6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f65f45dfa1e6e2eaa9e11c8b8ce8857799cb189d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report