CVE record · CVE-2026-43500

rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present

CVSS 7.8 HighCriticalEPSS 0.94 · 99th percentile

Critical, because:

CVSS score 7.8 (7.0 or more) and EPSS 0.94 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: Linux) at 11 May 2026, 06:26 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 d0d5c0cd1e711c98703f3544c1e6fc1372898de5 to before 7c504ffab3efce8f7e4f463b314ae31030bdf18b git affected d0d5c0cd1e711c98703f3544c1e6fc1372898de5 to before 3711382a77342a9a1c3d2e7330dcfc7ea927f568 git affected d0d5c0cd1e711c98703f3544c1e6fc1372898de5 to before 3eae0f4f9f7206a4801efa5e0235c25bbd5a412c git affected d0d5c0cd1e711c98703f3544c1e6fc1372898de5 to before d45179f8795222ce858770dc619abe51f9d24411 git affected d0d5c0cd1e711c98703f3544c1e6fc1372898de5 to before aa54b1d27fe0c2b78e664a34fd0fdf7cd1960d71 git Other versions: unaffected
Linux	Linux	affected 5.3 unaffected before 5.3 semver unaffected 6.6.140 to 6.6., inclusive semver unaffected 6.12.88 to 6.12., inclusive semver unaffected 6.18.29 to 6.18., inclusive semver unaffected 7.0.6 to 7.0., inclusive semver unaffected 7.1 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-43500
CNA: Linux
Weakness (CWE): CWE-123 · CWE-787
Tags: Linux kernel
Memory corruption
CWE-123
Published: 11 May 2026
Updated: 1 Sept 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
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)Used for this record
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	ADP (CISA-ADP)
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	ADP (redhat-SADP)

CISA KEV Not listed.
EPSS 0.94, the 99th percentile, on 6 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 11 May 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.