CVE record · CVE-2026-98323

RDMA/siw: Bound fragmented header copies by the remaining length

CVSS 9.8 CriticalCriticalEPSS 0.0051 · 44th percentile

Critical, because:

CVSS score 9.8: 9.0 or more.

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected e3917c85f41ef1df64e27dc0e46ab0d803c5e73e to before 2c6fbcf4bfac0b2b186acc8d91154c0fa24468a7 git affected 308cd50f174c95a507527037f4de1a0396aa4325 to before af9f5b474a260ad23ffb9793d716a5e3bbce3b48 git affected 754209850df8367c954ac1de7671c7430b1f342c to before 262dcd809723723ed8a4e05437ec7e9c21a8f17e git affected 754209850df8367c954ac1de7671c7430b1f342c to before eb4d7a946970469b3ab0c762432bf161d5b0836c git affected 754209850df8367c954ac1de7671c7430b1f342c to before 8628f8ebf41669302513fb3f0bf0eba38b226742 git affected 754209850df8367c954ac1de7671c7430b1f342c to before b72dcfb9bf1f0f0147cda03dc59e4002a315067f git affected 754209850df8367c954ac1de7671c7430b1f342c to before e6bdfdf3bcb02d0d626a45e8c98b7e63d2fddf9d git affected 754209850df8367c954ac1de7671c7430b1f342c to before 9ff797e516dbc1ecb73701ec4c24055712d44411 git affected e09caa38e10bcf027100cc22b0e3cc745a39ef0a git affected 0c14f795a9eab9344230f9933798b8ee496f497d git affected 7fada7c6962219b6fc4ff4e62e46a936af110dd9 git affected 5.10.150 to before 5.10.271 semver and 4 more Other versions: unaffected
Linux	Linux	affected 6.1 unaffected before 6.1 semver unaffected 5.10.271 to 5.10., inclusive semver unaffected 5.15.222 to 5.15., inclusive semver unaffected 6.1.189 to 6.1., inclusive semver unaffected 6.6.158 to 6.6., inclusive semver unaffected 6.12.112 to 6.12., inclusive semver unaffected 6.18.54 to 6.18., inclusive semver unaffected 7.2.8 to 7.2., inclusive semver unaffected 7.3 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-98323
CNA: Linux
Tags: Linux kernel
Published: 6 Oct 2026
Updated: 19 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0051, the 44th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 6 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.