CVE-2026-46085

rxrpc: Fix rxkad crypto unalignment handling

At a glance

Severity: HIGH 7.5
EPSS: EPSS 0.44 % · percentile 38 (2026-10-27)
State: PUBLISHED
Published: 2026-05-27
Updated: 2026-08-05
Assigner: Linux
NVD status: Undergoing Analysis

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxkad crypto unalignment handling Fix handling of a packet with a misaligned crypto length. Also handle non-ENOMEM errors from decryption by aborting. Further, remove the WARN_ON_ONCE() so that it can't be remotely triggered (a trace line can still be emitted).

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)

European references

ENISA EUVD · EUVD-2026-32468
GCVE · GCVE-0-2026-46085

CERT-FR advisories

CERTFR-2026-AVI-0954 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2026-AVI-0926 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2026-AVI-0861 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2026-AVI-0831 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2026-AVI-0731 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.6.135 < 6.6.140
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.12.82 < 6.12.86
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.18.23 < 6.18.27
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.19.13 < 7.0
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 7.0.1 < 7.0.4
cpe:2.3:o:linux:linux_kernel:7.0:-:*:*:*:*:*:*

Affected products

Product	Versions
Linux · Linux	affected 9853917f9edf08efb0b55c26d9eb8340f126d9e9 < f1c6bd0cc786a8fa74829ce3c4b3673944a308f4 ; affected e9c369d58785044427450350ad32d6a2497fb379 < 440d20d95e844b657a93a0b2dcc2aae155efdce6 ; affected bf4d6e4a6856eedeb7f66eb91224115bfff4e2cb < f0d3efd03b2a9e0f1ffa6df8fcb264af3d494286 ; affected f93af41b9f5f798823d0d0fb8765c2a936d76270 < af9271eb666d07b6f65612dc160a47f7cb5220ed ; affected f93af41b9f5f798823d0d0fb8765c2a936d76270 < def304aae2edf321d2671fd6ca766a93c21f877e ; affected 5cdf57eda01a1ffaeb61ac39ec4dcc94a690431e
Linux · Linux	affected 7.0 ; unaffected 0 < 7.0 ; unaffected 6.6.140 ≤ 6.6.* ; unaffected 6.12.86 ≤ 6.12.* ; unaffected 6.18.27 ≤ 6.18.* ; unaffected 7.0.4 ≤ 7.0.*

Product

Versions

Linux · Linux

affected 9853917f9edf08efb0b55c26d9eb8340f126d9e9 < f1c6bd0cc786a8fa74829ce3c4b3673944a308f4 ; affected e9c369d58785044427450350ad32d6a2497fb379 < 440d20d95e844b657a93a0b2dcc2aae155efdce6 ; affected bf4d6e4a6856eedeb7f66eb91224115bfff4e2cb < f0d3efd03b2a9e0f1ffa6df8fcb264af3d494286 ; affected f93af41b9f5f798823d0d0fb8765c2a936d76270 < af9271eb666d07b6f65612dc160a47f7cb5220ed ; affected f93af41b9f5f798823d0d0fb8765c2a936d76270 < def304aae2edf321d2671fd6ca766a93c21f877e ; affected 5cdf57eda01a1ffaeb61ac39ec4dcc94a690431e

Linux · Linux

affected 7.0 ; unaffected 0 < 7.0 ; unaffected 6.6.140 ≤ 6.6.* ; unaffected 6.12.86 ≤ 6.12.* ; unaffected 6.18.27 ≤ 6.18.* ; unaffected 7.0.4 ≤ 7.0.*

References

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